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elharo pushed a commit to branch comment
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commit e9f8c4f72432082d4e8761c4d2786ba4e4785264
Author: Elliotte Rusty Harold <elh...@ibiblio.org>
AuthorDate: Fri Mar 28 08:51:09 2025 -0400

    Remove a few tbousand lines of commented and obslete code
---
 .../artifact/versioning/VersionRangeTest.java      |   6 -
 .../artifact/resolver/ResolutionListener.java      |   6 -
 .../StringSearchModelInterpolator.java             |   5 -
 .../project/validation/ModelValidationResult.java  |  10 -
 .../repository/legacy/LegacyRepositorySystem.java  |  16 -
 .../repository/metadata/ArtifactMetadata.java      |  22 +-
 .../metadata/DefaultClasspathTransformation.java   |  21 --
 .../metadata/DefaultGraphConflictResolver.java     |  11 -
 .../repository/metadata/MetadataGraphVertex.java   |   6 -
 .../settings/DefaultMavenSettingsBuilder.java      |   7 -
 .../apache/maven/toolchain/java/JavaToolchain.java |  36 +--
 .../maven/ProjectDependenciesResolverTest.java     |  25 --
 .../manager/DefaultProfileManagerTest.java         |  32 --
 .../project/artifact/MavenMetadataSourceTest.java  | 176 -----------
 .../inheritance/t12scm/ProjectInheritanceTest.java |  47 ---
 .../AbstractModelInterpolatorTest.java             |  15 -
 .../apache/maven/model/merge/MavenMergerTest.java  | 347 ---------------------
 .../internal/concurrent/BuildPlanLogger.java       |   8 -
 .../internal/stub/ProjectDependencyGraphStub.java  |   4 -
 .../org/apache/maven/plugin/PluginManagerTest.java |  97 ------
 .../apache/maven/project/PomConstructionTest.java  |  21 --
 .../maven/project/harness/PomTestWrapper.java      |  11 -
 .../impl/DefaultSettingsBuilderFactoryTest.java    |   5 -
 .../maven/impl/DefaultSettingsValidatorTest.java   | 161 ----------
 .../impl/model/DefaultModelInterpolatorTest.java   |  15 -
 .../profile/ConditionProfileActivatorTest.java     |  19 --
 .../apache/maven/impl/standalone/ApiRunner.java    |   9 -
 .../org/apache/maven/slf4j/MavenBaseLogger.java    |  32 --
 28 files changed, 2 insertions(+), 1168 deletions(-)

diff --git 
a/compat/maven-artifact/src/test/java/org/apache/maven/artifact/versioning/VersionRangeTest.java
 
b/compat/maven-artifact/src/test/java/org/apache/maven/artifact/versioning/VersionRangeTest.java
index 426efcf537..8ccf5bcca4 100644
--- 
a/compat/maven-artifact/src/test/java/org/apache/maven/artifact/versioning/VersionRangeTest.java
+++ 
b/compat/maven-artifact/src/test/java/org/apache/maven/artifact/versioning/VersionRangeTest.java
@@ -720,12 +720,6 @@ public boolean enforceVersion(String requiredVersionRange, 
ArtifactVersion actua
         return vr.containsVersion(actualVersion);
     }
 
-    @Test
-    void testOrder0() {
-        // assertTrue( new DefaultArtifactVersion( "1.0-alpha10" ).compareTo( 
new DefaultArtifactVersion( "1.0-alpha1" )
-        // ) > 0 );
-    }
-
     @Test
     void testCache() throws InvalidVersionSpecificationException {
         VersionRange range = VersionRange.createFromVersionSpec("[1.0,1.2]");
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/artifact/resolver/ResolutionListener.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/artifact/resolver/ResolutionListener.java
index 5015ff2807..f292039f8f 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/artifact/resolver/ResolutionListener.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/artifact/resolver/ResolutionListener.java
@@ -23,7 +23,6 @@
 
 /**
  * Listens to the resolution process and handles events.
- *
  */
 @Deprecated
 public interface ResolutionListener {
@@ -77,13 +76,8 @@ public interface ResolutionListener {
     @Deprecated
     void manageArtifact(Artifact artifact, Artifact replacement);
 
-    // TODO Use the following two instead of manageArtifact
     // TODO Remove ResolutionListenerDM interface
 
-    // void manageArtifactVersion( Artifact artifact, Artifact replacement );
-
-    // void manageArtifactScope( Artifact artifact, Artifact replacement );
-
     void omitForCycle(Artifact artifact);
 
     /**
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
index d63cbec5c1..9e70e0c49c 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
@@ -273,11 +273,6 @@ private boolean isQualifiedForInterpolation(Field field, 
Class<?> fieldType) {
                 return false;
             }
 
-            //            if ( fieldType.isPrimitive() )
-            //            {
-            //                return false;
-            //            }
-
             return !"parent".equals(field.getName());
         }
 
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/project/validation/ModelValidationResult.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/project/validation/ModelValidationResult.java
index bc305cb2a0..3a0694c9ac 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/project/validation/ModelValidationResult.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/project/validation/ModelValidationResult.java
@@ -63,16 +63,6 @@ public String render(String indentation) {
         }
 
         StringBuilder message = new StringBuilder();
-
-        //        if ( messages.size() == 1 )
-        //        {
-        //            message.append( "There was 1 validation error: " );
-        //        }
-        //        else
-        //        {
-        //            message.append( "There was " + messages.size() + " 
validation errors: " + LS );
-        //        }
-        //
         for (int i = 0; i < messages.size(); i++) {
             message.append(indentation)
                     .append('[')
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/legacy/LegacyRepositorySystem.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/legacy/LegacyRepositorySystem.java
index df994b12d3..9f6191c9fb 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/legacy/LegacyRepositorySystem.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/legacy/LegacyRepositorySystem.java
@@ -331,22 +331,6 @@ public ArtifactResolutionResult 
resolve(ArtifactResolutionRequest request) {
         return artifactResolver.resolve(request);
     }
 
-    //    public void addProxy( String protocol, String host, int port, String 
username, String password,
-    //                          String nonProxyHosts )
-    //    {
-    //        ProxyInfo proxyInfo = new ProxyInfo();
-    //        proxyInfo.setHost( host );
-    //        proxyInfo.setType( protocol );
-    //        proxyInfo.setPort( port );
-    //        proxyInfo.setNonProxyHosts( nonProxyHosts );
-    //        proxyInfo.setUserName( username );
-    //        proxyInfo.setPassword( password );
-    //
-    //        proxies.put( protocol, proxyInfo );
-    //
-    //        wagonManager.addProxy( protocol, host, port, username, password, 
nonProxyHosts );
-    //    }
-
     public List<ArtifactRepository> 
getEffectiveRepositories(List<ArtifactRepository> repositories) {
         if (repositories == null) {
             return null;
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/ArtifactMetadata.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/ArtifactMetadata.java
index b0a231f3df..a808e2be8c 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/ArtifactMetadata.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/ArtifactMetadata.java
@@ -169,27 +169,7 @@ public ArtifactMetadata(
                 error);
     }
 
-    public ArtifactMetadata(Artifact af) {
-        /*
-        if ( af != null )
-        {
-            init( af );
-        }
-        */
-    }
-    // ------------------------------------------------------------------
-    //    public void init( ArtifactMetadata af )
-    //    {
-    //        setGroupId( af.getGroupId() );
-    //        setArtifactId( af.getArtifactId() );
-    //        setVersion( af.getVersion() );
-    //        setType( af.getType() );
-    //        setScope( af.getScope() );
-    //        setClassifier( af.getClassifier() );
-    //        //setUri( af.getDownloadUrl() );
-    //
-    //        this.resolved = af.isResolved();
-    //    }
+    public ArtifactMetadata(Artifact af) {}
 
     @Override
     public String toString() {
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultClasspathTransformation.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultClasspathTransformation.java
index 5a41c607d7..0a23b4b7e5 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultClasspathTransformation.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultClasspathTransformation.java
@@ -101,27 +101,6 @@ protected void visit(MetadataGraphVertex node) // , String 
version, String artif
             }
 
             cpc.add(md);
-            //
-            //            TreeSet<MetadataGraphEdge> deps = new 
TreeSet<MetadataGraphEdge>(
-            //                        new Comparator<MetadataGraphEdge>()
-            //                        {
-            //                            public int compare( 
MetadataGraphEdge e1
-            //                                              , 
MetadataGraphEdge e2
-            //                                              )
-            //                            {
-            //                                if( e1.getDepth() == 
e2.getDepth() )
-            //                                {
-            //                                    if( e2.getPomOrder() == 
e1.getPomOrder() )
-            //                                        return
-            // e1.getTarget().toString().compareTo(e2.getTarget().toString() );
-            //
-            //                                    return e2.getPomOrder() - 
e1.getPomOrder();
-            //                                }
-            //
-            //                                return e2.getDepth() - 
e1.getDepth();
-            //                            }
-            //                        }
-            //                    );
 
             List<MetadataGraphEdge> exits = graph.getExcidentEdges(node);
 
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolver.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolver.java
index 55bad67432..60dc8a593c 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolver.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolver.java
@@ -94,15 +94,8 @@ public MetadataGraph resolveConflicts(MetadataGraph graph, 
ArtifactScopeEnum sco
                     if (entry.equals(v)) { // unless it's an entry point.
                         // currently processing the entry point - it should 
not have any entry incident edges
                         res.getEntry().getMd().setWhy("This is a graph entry 
point. No links.");
-                    } else {
-                        // System.out.println("--->"+v.getMd().toDomainString()
-                        // +" has been terminated on this entry 
set\n-------------------\n"
-                        // +ins
-                        // +"\n-------------------\n"
-                        // );
                     }
                 } else {
-                    // System.out.println("+++>"+v.getMd().toDomainString()+" 
still has "+edge.toString() );
                     // fill in domain md with actual version data
                     ArtifactMetadata md = v.getMd();
                     ArtifactMetadata newMd = new ArtifactMetadata(
@@ -126,10 +119,6 @@ public MetadataGraph resolveConflicts(MetadataGraph graph, 
ArtifactScopeEnum sco
                     res.addEdge(sourceV, newV, edge);
                 }
             }
-            // System.err.println("Original 
graph("+graph.getVertices().size()+"):\n"+graph.toString());
-            // System.err.println("Cleaned("+requestedScope+") 
graph("+res.getVertices().size()+"):\n"+res.toString());
-            // System.err.println("Linked("+requestedScope+")
-            // 
subgraph("+linkedRes.getVertices().size()+"):\n"+linkedRes.toString());
             return findLinkedSubgraph(res);
         } catch (MetadataResolutionException e) {
             throw new GraphConflictResolutionException(e);
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/MetadataGraphVertex.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/MetadataGraphVertex.java
index edbfae8534..aec802d7f8 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/MetadataGraphVertex.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/repository/metadata/MetadataGraphVertex.java
@@ -168,11 +168,5 @@ public int hashCode() {
         }
 
         return hashString.toString().hashCode();
-
-        // BASE64Encoder b64 = new BASE64Encoder();
-        // return b64.encode( hashString.toString().getBytes() ).hashCode();
     }
-
-    // ---------------------------------------------------------------------
-    // ---------------------------------------------------------------------
 }
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/settings/DefaultMavenSettingsBuilder.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/settings/DefaultMavenSettingsBuilder.java
index c669fcc449..2df142e9b9 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/settings/DefaultMavenSettingsBuilder.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/settings/DefaultMavenSettingsBuilder.java
@@ -125,13 +125,6 @@ private File getFile(String pathPattern, String 
basedirSysProp, String altLocati
             // basedirSysProp is non regexp and basedir too
             path = pathPattern.replace("${" + basedirSysProp + "}", basedir);
             path = path.replace("\\", "/");
-            // 
---------------------------------------------------------------------------------
-            // I'm not sure if this last regexp was really intended to 
disallow the usage of
-            // network paths as user.home directory. Unfortunately it did. I 
removed it and
-            // have not detected any problems yet.
-            // 
---------------------------------------------------------------------------------
-            // path = path.replaceAll( "//", "/" );
-
         }
         return new File(path).getAbsoluteFile();
     }
diff --git 
a/compat/maven-compat/src/main/java/org/apache/maven/toolchain/java/JavaToolchain.java
 
b/compat/maven-compat/src/main/java/org/apache/maven/toolchain/java/JavaToolchain.java
index 41f1da2413..6080f00f4d 100644
--- 
a/compat/maven-compat/src/main/java/org/apache/maven/toolchain/java/JavaToolchain.java
+++ 
b/compat/maven-compat/src/main/java/org/apache/maven/toolchain/java/JavaToolchain.java
@@ -27,38 +27,4 @@
  * @deprecated Use {@link org.apache.maven.api.JavaToolchain} instead.
  */
 @Deprecated(since = "4.0.0")
-public interface JavaToolchain extends Toolchain {
-    //    /**
-    //     * Returns a list of {@link java.io.File}s which represents the 
bootstrap libraries for the
-    //     * runtime environment. The Bootstrap libraries include libraries in 
JRE's
-    //     * extension directory, if there are any.
-    //     *
-    //     * @return List
-    //     */
-    //    List getBootstrapLibraries();
-    //
-    //    /**
-    //     * Returns a list of {@link java.io.File}s which represent the 
libraries recognized by
-    //     * default by the platform. Usually it corresponds to contents of 
CLASSPATH
-    //     * environment variable.
-    //     *
-    //     * @return List
-    //     */
-    //    List getStandardLibraries();
-    //
-    //    /**
-    //     * Returns a {@link java.io.File}s which represent the locations of 
the source of the JDK,
-    //     * or an empty collection when the location is not set or is invalid.
-    //     *
-    //     * @return List
-    //     */
-    //    List getSourceDirectories();
-    //
-    //    /**
-    //     * Returns a {@link java.io.File}s which represent the locations of 
the Javadoc for this platform,
-    //     * or empty collection if the location is not set or invalid
-    //     *
-    //     * @return List
-    //     */
-    //    List getJavadocDirectories();
-}
+public interface JavaToolchain extends Toolchain {}
diff --git 
a/compat/maven-compat/src/test/java/org/apache/maven/ProjectDependenciesResolverTest.java
 
b/compat/maven-compat/src/test/java/org/apache/maven/ProjectDependenciesResolverTest.java
index aad5b3c2f0..5cc242c096 100644
--- 
a/compat/maven-compat/src/test/java/org/apache/maven/ProjectDependenciesResolverTest.java
+++ 
b/compat/maven-compat/src/test/java/org/apache/maven/ProjectDependenciesResolverTest.java
@@ -45,31 +45,6 @@ protected String getProjectsDirectory() {
         return "src/test/projects/project-dependencies-resolver";
     }
 
-    /*
-    @Test
-    public void testExclusionsInDependencies()
-        throws Exception
-    {
-        MavenSession session = createMavenSession( null );
-        MavenProject project = session.getCurrentProject();
-
-        Exclusion exclusion = new Exclusion();
-        exclusion.setGroupId( "org.apache.maven.its" );
-        exclusion.setArtifactId( "a" );
-
-        new ProjectBuilder( project ).addDependency( "org.apache.maven.its", 
"b", "0.1", Artifact.SCOPE_RUNTIME,
-                                                     exclusion );
-
-        Set<Artifact> artifactDependencies =
-            resolver.resolve( project, Collections.singleton( 
Artifact.SCOPE_COMPILE ), session );
-        assertEquals( 0, artifactDependencies.size() );
-
-        artifactDependencies = resolver.resolve( project, 
Collections.singleton( Artifact.SCOPE_RUNTIME ), session );
-        assertEquals( 1, artifactDependencies.size() );
-        assertEquals( "b", 
artifactDependencies.iterator().next().getArtifactId() );
-    }
-    */
-
     @Test
     void testSystemScopeDependencies() throws Exception {
         MavenSession session = createMavenSession(null);
diff --git 
a/compat/maven-compat/src/test/java/org/apache/maven/profiles/manager/DefaultProfileManagerTest.java
 
b/compat/maven-compat/src/test/java/org/apache/maven/profiles/manager/DefaultProfileManagerTest.java
index 68a1d16d68..d0d798b7e0 100644
--- 
a/compat/maven-compat/src/test/java/org/apache/maven/profiles/manager/DefaultProfileManagerTest.java
+++ 
b/compat/maven-compat/src/test/java/org/apache/maven/profiles/manager/DefaultProfileManagerTest.java
@@ -30,7 +30,6 @@
 import org.apache.maven.profiles.ProfileManager;
 import org.codehaus.plexus.PlexusContainer;
 import org.codehaus.plexus.testing.PlexusTest;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -200,35 +199,4 @@ void testShouldOverrideAndDeactivateActiveProfile() throws 
Exception {
         assertNotNull(active);
         assertEquals(0, active.size());
     }
-
-    @Test
-    @Disabled
-    void testOsActivationProfile() throws Exception {
-        /*
-        Profile osActivated = new Profile();
-        osActivated.setId( "os-profile" );
-
-        Activation osActivation = new Activation();
-
-        ActivationOS activationOS = new ActivationOS();
-
-        activationOS.setName( "!dddd" );
-
-        osActivation.setOs( activationOS );
-
-        osActivated.setActivation( osActivation );
-
-        Properties props = System.getProperties();
-        ProfileActivationContext ctx = new ProfileActivationContext( props, 
false );
-
-        ProfileManager profileManager = new DefaultProfileManager( 
getContainer(), props );
-
-        profileManager.addProfile( osActivated );
-
-        List active = profileManager.getActiveProfiles( null );
-
-        assertNotNull( active );
-        assertEquals( 1, active.size() );
-        */
-    }
 }
diff --git 
a/compat/maven-compat/src/test/java/org/apache/maven/project/artifact/MavenMetadataSourceTest.java
 
b/compat/maven-compat/src/test/java/org/apache/maven/project/artifact/MavenMetadataSourceTest.java
deleted file mode 100644
index bb6d4a2583..0000000000
--- 
a/compat/maven-compat/src/test/java/org/apache/maven/project/artifact/MavenMetadataSourceTest.java
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.maven.project.artifact;
-
-import javax.inject.Inject;
-
-import org.apache.maven.repository.RepositorySystem;
-import org.codehaus.plexus.PlexusContainer;
-import org.codehaus.plexus.testing.PlexusTest;
-import org.junit.jupiter.api.Disabled;
-import org.junit.jupiter.api.Test;
-
-@PlexusTest
-@Deprecated
-class MavenMetadataSourceTest {
-    @Inject
-    private RepositorySystem repositorySystem;
-
-    @Inject
-    PlexusContainer container;
-
-    @Test
-    @Disabled
-    void testShouldNotCarryExclusionsOverFromDependencyToDependency() throws 
Exception {
-        /*
-        Dependency dep1 = new Dependency();
-        dep1.setGroupId( "test" );
-        dep1.setArtifactId( "test-artifact" );
-        dep1.setVersion( "1" );
-        dep1.setType( "jar" );
-
-        Exclusion exc = new Exclusion();
-        exc.setGroupId( "test" );
-        exc.setArtifactId( "test-artifact3" );
-
-        dep1.addExclusion( exc );
-
-        Dependency dep2 = new Dependency();
-        dep2.setGroupId( "test" );
-        dep2.setArtifactId( "test-artifact2" );
-        dep2.setVersion( "1" );
-        dep2.setType( "jar" );
-
-        List<Dependency> deps = new ArrayList<>();
-        deps.add( dep1 );
-        deps.add( dep2 );
-
-        ArtifactFactory factory = container.lookup( ArtifactFactory.class );
-
-        ArtifactFilter dependencyFilter = new ScopeArtifactFilter( 
Artifact.SCOPE_COMPILE );
-
-        MavenProject project = new MavenProject( new Model() );
-
-        Set<Artifact> result = project.createArtifacts( dependencyFilter );
-
-        for (Iterator<Artifact> it = result.iterator(); it.hasNext(); )
-        {
-            Artifact artifact = it.next();
-
-            if ( "test-artifact2".equals( artifact.getArtifactId() ) )
-            {
-                ArtifactFilter filter = artifact.getDependencyFilter();
-
-                assertSame( dependencyFilter, filter );
-            }
-        }
-        */
-    }
-
-    @Test
-    @Disabled("TODO restore these if it makes sense")
-    void testShouldUseCompileScopeIfDependencyScopeEmpty() throws Exception {
-        /*
-        String groupId = "org.apache.maven";
-        String artifactId = "maven-model";
-
-        Dependency dep = new Dependency();
-
-        dep.setGroupId( groupId );
-        dep.setArtifactId( artifactId );
-        dep.setVersion( "2.0-alpha-3" );
-
-        Model model = new Model();
-
-        model.addDependency( dep );
-
-        MavenProject project = new MavenProject( model, repositorySystem );
-
-        project.setArtifacts( project.createArtifacts( null ) );
-
-        String key = ArtifactUtils.versionlessKey( groupId, artifactId );
-
-        Map artifactMap = project.getArtifactMap();
-
-        assertNotNull( artifactMap, "artifact-map should not be null." );
-        assertEquals( 1, artifactMap.size(), "artifact-map should contain 1 
element." );
-
-        Artifact artifact = (Artifact) artifactMap.get( key );
-
-        assertNotNull( artifact, "dependency artifact not found in map." );
-        assertEquals( Artifact.SCOPE_COMPILE, artifact.getScope(), "dependency 
artifact has wrong scope." );
-
-        //check for back-propagation of default scope.
-        assertEquals( Artifact.SCOPE_COMPILE, dep.getScope(), "default scope 
NOT back-propagated to dependency." );
-        */
-    }
-
-    @Test
-    @Disabled
-    void testShouldUseInjectedTestScopeFromDependencyManagement() throws 
Exception {
-        /*
-        String groupId = "org.apache.maven";
-        String artifactId = "maven-model";
-
-        Dependency dep = new Dependency();
-
-        dep.setGroupId( groupId );
-        dep.setArtifactId( artifactId );
-        dep.setVersion( "2.0-alpha-3" );
-
-        Model model = new Model();
-
-        model.addDependency( dep );
-
-        Dependency mgd = new Dependency();
-        mgd.setGroupId( groupId );
-        mgd.setArtifactId( artifactId );
-        mgd.setScope( Artifact.SCOPE_TEST );
-
-        DependencyManagement depMgmt = new DependencyManagement();
-
-        depMgmt.addDependency( mgd );
-
-        model.setDependencyManagement( depMgmt );
-
-        MavenProject project = new MavenProject( model, repositorySystem );
-
-        TestModelDefaultsInjector injector = new TestModelDefaultsInjector();
-
-        injector.injectDefaults( model );
-
-        project.setArtifacts( project.createArtifacts( null ) );
-
-        String key = ArtifactUtils.versionlessKey( groupId, artifactId );
-
-        Map artifactMap = project.getArtifactMap();
-
-        assertNotNull( artifactMap, "artifact-map should not be null." );
-        assertEquals( 1, artifactMap.size(), "artifact-map should contain 1 
element." );
-
-        Artifact artifact = (Artifact) artifactMap.get( key );
-
-        assertNotNull( artifact, "dependency artifact not found in map." );
-        assertEquals( "dependency artifact has wrong scope.", 
Artifact.SCOPE_TEST, artifact.getScope() );
-
-        //check for back-propagation of default scope.
-        assertEquals( "default scope NOT back-propagated to dependency.", 
Artifact.SCOPE_TEST, dep.getScope() );
-        */
-    }
-}
diff --git 
a/compat/maven-compat/src/test/java/org/apache/maven/project/inheritance/t12scm/ProjectInheritanceTest.java
 
b/compat/maven-compat/src/test/java/org/apache/maven/project/inheritance/t12scm/ProjectInheritanceTest.java
index b519533f43..61c0c1fb0f 100644
--- 
a/compat/maven-compat/src/test/java/org/apache/maven/project/inheritance/t12scm/ProjectInheritanceTest.java
+++ 
b/compat/maven-compat/src/test/java/org/apache/maven/project/inheritance/t12scm/ProjectInheritanceTest.java
@@ -28,7 +28,6 @@
 
 /**
  * Verifies SCM inheritance uses modules statement from parent.
- *
  */
 @Deprecated
 class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {
@@ -55,18 +54,6 @@ void testScmInfoCalculatedCorrectlyOnParentAndChildRead() 
throws Exception {
         MavenProject project0 = getProject(pom0);
         MavenProject project1 = getProject(pom1);
 
-        System.out.println("\n\n");
-        System.out.println("Parent SCM URL is: " + project0.getScm().getUrl());
-        System.out.println("Child SCM URL is: " + project1.getScm().getUrl());
-        System.out.println();
-        System.out.println("Parent SCM connection is: " + 
project0.getScm().getConnection());
-        System.out.println("Child SCM connection is: " + 
project1.getScm().getConnection());
-        System.out.println();
-        System.out.println(
-                "Parent SCM developer connection is: " + 
project0.getScm().getDeveloperConnection());
-        System.out.println(
-                "Child SCM developer connection is: " + 
project1.getScm().getDeveloperConnection());
-
         assertEquals(project1.getScm().getUrl(), project0.getScm().getUrl() + 
"/modules/p1");
         assertEquals(project1.getScm().getConnection(), 
project0.getScm().getConnection() + "/modules/p1");
         assertEquals(
@@ -82,42 +69,8 @@ void testScmInfoCalculatedCorrectlyOnChildOnlyRead() throws 
Exception {
         // load the child project, which inherits from p0...
         MavenProject project1 = getProject(pom1);
 
-        System.out.println("\n\n");
-        System.out.println("Child SCM URL is: " + project1.getScm().getUrl());
-        System.out.println("Child SCM connection is: " + 
project1.getScm().getConnection());
-        System.out.println(
-                "Child SCM developer connection is: " + 
project1.getScm().getDeveloperConnection());
-
         assertEquals("http://host/viewer?path=/p0/modules/p1";, 
project1.getScm().getUrl());
         assertEquals("scm:svn:http://host/p0/modules/p1";, 
project1.getScm().getConnection());
         assertEquals("scm:svn:https://host/p0/modules/p1";, 
project1.getScm().getDeveloperConnection());
     }
-
-    //    public void 
testScmInfoCalculatedCorrectlyOnChildReadFromLocalRepository()
-    //        throws Exception
-    //    {
-    //        File localRepo = getLocalRepositoryPath();
-    //
-    //        ArtifactFactory factory = (ArtifactFactory) lookup( 
ArtifactFactory.class );
-    //        Artifact artifact = factory.createProjectArtifact( "maven", 
"p1", "1.0" );
-    //
-    //        ArtifactRepositoryFactory repoFactory = 
(ArtifactRepositoryFactory) lookup(
-    // ArtifactRepositoryFactory.class );
-    //        ArtifactRepository localArtifactRepo = 
repoFactory.createLocalRepository( localRepo );
-    //
-    //        MavenProject project1 = getProjectBuilder().buildFromRepository( 
artifact, Collections.EMPTY_LIST,
-    // localArtifactRepo );
-    //
-    //        System.out.println( "\n\n" );
-    //        System.out.println( "Child SCM URL is: " + 
project1.getScm().getUrl() );
-    //        System.out.println( "Child SCM connection is: " + 
project1.getScm().getConnection() );
-    //        System.out.println( "Child SCM developer connection is: "
-    //                            + project1.getScm().getDeveloperConnection() 
);
-    //
-    //        assertEquals( project1.getScm().getUrl(), 
"http://host/viewer?path=/p0/modules/p1"; );
-    //        assertEquals( project1.getScm().getConnection(), 
"scm:svn:http://host/p0/modules/p1"; );
-    //        assertEquals( project1.getScm().getDeveloperConnection(),
-    //                      "scm:svn:https://host/p0/modules/p1"; );
-    //    }
-
 }
diff --git 
a/compat/maven-model-builder/src/test/java/org/apache/maven/model/interpolation/AbstractModelInterpolatorTest.java
 
b/compat/maven-model-builder/src/test/java/org/apache/maven/model/interpolation/AbstractModelInterpolatorTest.java
index 12d6474961..6d0fa698f1 100644
--- 
a/compat/maven-model-builder/src/test/java/org/apache/maven/model/interpolation/AbstractModelInterpolatorTest.java
+++ 
b/compat/maven-model-builder/src/test/java/org/apache/maven/model/interpolation/AbstractModelInterpolatorTest.java
@@ -232,21 +232,6 @@ public void 
testShouldNotInterpolateDependencyVersionWithInvalidReference() thro
                         .build()))
                 .build());
 
-        /*
-        // This is the desired behaviour, however there are too many crappy 
poms in the repo and an issue with the
-        // timing of executing the interpolation
-
-        try
-        {
-        new RegexBasedModelInterpolator().interpolate( model, context );
-        fail( "Should have failed to interpolate with invalid reference" );
-        }
-        catch ( ModelInterpolationException expected )
-        {
-        assertTrue( true );
-        }
-        */
-
         ModelInterpolator interpolator = createInterpolator();
 
         final SimpleProblemCollector collector = new SimpleProblemCollector();
diff --git 
a/compat/maven-model/src/test/java/org/apache/maven/model/merge/MavenMergerTest.java
 
b/compat/maven-model/src/test/java/org/apache/maven/model/merge/MavenMergerTest.java
index dca39aad53..92c8c55122 100644
--- 
a/compat/maven-model/src/test/java/org/apache/maven/model/merge/MavenMergerTest.java
+++ 
b/compat/maven-model/src/test/java/org/apache/maven/model/merge/MavenMergerTest.java
@@ -32,8 +32,6 @@
 
 /**
  * MavenMerger is based on same instances, subclasses should override 
KeyComputer per type
- *
- *
  */
 class MavenMergerTest {
     private MavenMerger mavenMerger = new MavenMerger();
@@ -85,349 +83,4 @@ void mergeSameDependencies() {
 
         assertThat(merged.getDependencies(), contains(dependency));
     }
-
-    /*
-    @Test
-    public void mergeDescription()
-    {
-        Model target = new Model();
-        target.setDescription( "TARGET" );
-
-        Model source = new Model();
-        source.setDescription( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getDescription(), is( "SOURCE" ) );
-
-        target.setDescription( "TARGET" );
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getDescription(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeSameDevelopers()
-    {
-        Developer developer = new Developer();
-        developer.setId( "devid" );
-
-        Model target = new Model();
-        target.setDevelopers( Arrays.asList( developer ) );
-
-        Model source = new Model();
-        source.setDevelopers( Arrays.asList( developer ) );
-
-        modelMerger.merge( target, source, true, null );
-
-        assertThat( target.getDevelopers(), contains( developer ) );
-    }
-
-    @Test
-    public void mergeSameExcludes()
-    {
-        PatternSet target = new PatternSet();
-        target.setExcludes( Arrays.asList( "first", "second", "third" ) );
-        PatternSet source = new PatternSet();
-        source.setExcludes( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergePatternSet_Excludes( target, source, true, null );
-
-        assertThat( target.getExcludes(), contains( "first", "second", "third" 
) );
-    }
-
-    @Test
-    public void mergeSameFilters()
-    {
-        Build target = new Build();
-        target.setFilters( Arrays.asList( "first", "second", "third" ) );
-        Build source = new Build();
-        source.setFilters( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergeBuild( target, source, true, null );
-
-        assertThat( target.getFilters(), contains( "first", "second", "third" 
) );
-    }
-
-    @Test
-    public void mergeSameGoals()
-    {
-        PluginExecution target = new PluginExecution();
-        target.setGoals( Arrays.asList( "first", "second", "third" ) );
-        PluginExecution source = new PluginExecution();
-        source.setGoals( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergePluginExecution( target, source, true, null );
-
-        assertThat( target.getGoals(), contains( "first", "second", "third" ) 
);
-    }
-
-    @Test
-    public void mergeGroupId()
-    {
-        Model target = new Model();
-        target.setGroupId( "TARGET" );
-
-        Model source = new Model();
-        source.setGroupId( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getGroupId(), is( "SOURCE" ) );
-
-        target.setGroupId( "TARGET" );
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getGroupId(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeInceptionYear()
-    {
-        Model target = new Model();
-        target.setInceptionYear( "TARGET" );
-
-        Model source = new Model();
-        source.setInceptionYear( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getInceptionYear(), is( "SOURCE" ) );
-
-        target.setInceptionYear( "TARGET" );
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getInceptionYear(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeSameIncludes()
-    {
-        PatternSet target = new PatternSet();
-        target.setIncludes( Arrays.asList( "first", "second", "third" ) );
-        PatternSet source = new PatternSet();
-        source.setIncludes( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergePatternSet_Includes( target, source, true, null );
-
-        assertThat( target.getIncludes(), contains( "first", "second", "third" 
) );
-    }
-
-    @Test
-    public void mergeSameMailingLists()
-    {
-        MailingList mailingList = new MailingList();
-        mailingList.setName( "name" );
-
-        Model target = new Model();
-        target.setMailingLists( Arrays.asList( mailingList ) );
-
-        Model source = new Model();
-        source.setMailingLists( Arrays.asList( mailingList ) );
-
-        modelMerger.merge( target, source, true, null );
-
-        assertThat( target.getMailingLists(), contains( mailingList ) );
-    }
-
-    @Test
-    public void mergeModelVersion()
-    {
-        Model target = new Model();
-        target.setModelVersion( "TARGET" );
-
-        Model source = new Model();
-        source.setModelVersion( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getModelVersion(), is( "SOURCE" ) );
-
-        target.setModelVersion( "TARGET" );;
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getModelVersion(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeSameModules()
-    {
-        Model target = new Model();
-        target.setModules( Arrays.asList( "first", "second", "third" ) );
-        Model source = new Model();
-        source.setModules( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.merge( target, source, true, null );
-
-        assertThat( target.getModules(), contains( "first", "second", "third" 
) );
-    }
-
-    @Test
-    public void mergeName()
-    {
-        Model target = new Model();
-        target.setName( "TARGET" );
-
-        Model source = new Model();
-        source.setName( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getName(), is( "SOURCE" ) );
-
-        target.setName( "TARGET" );;
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getName(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeSameOtherArchives()
-    {
-        MailingList target = new MailingList();
-        target.setOtherArchives( Arrays.asList( "first", "second", "third" ) );
-        MailingList source = new MailingList();
-        source.setOtherArchives( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergeMailingList( target, source, true, null );
-
-        assertThat( target.getOtherArchives(), contains( "first", "second", 
"third" ) );
-    }
-
-    @Test
-    public void mergePackaging()
-    {
-        Model target = new Model();
-        target.setPackaging( "TARGET" );
-
-        Model source = new Model();
-        source.setPackaging( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getPackaging(), is( "SOURCE" ) );
-
-        target.setPackaging( "TARGET" );;
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getPackaging(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeSamePluginRepositories()
-    {
-        Repository repository = new Repository();
-        repository.setId( "repository" );
-
-        Model target = new Model();
-        target.setPluginRepositories( Arrays.asList( repository ) );
-
-        Model source = new Model();
-        source.setPluginRepositories( Arrays.asList( repository ) );
-
-        modelMerger.merge( target, source, true, null );
-
-        assertThat( target.getPluginRepositories(), contains( repository ) );
-    }
-
-    @Test
-    public void mergeSameProfiles()
-    {
-        Profile profile = new Profile();
-        profile.setId( "profile" );
-
-        Model target = new Model();
-        target.setProfiles( Arrays.asList( profile ) );
-
-        Model source = new Model();
-        source.setProfiles( Arrays.asList( profile ) );
-
-        modelMerger.merge( target, source, true, null );
-
-        assertThat( target.getProfiles(), contains( profile ) );
-    }
-
-    @Test
-    public void mergeSameReports()
-    {
-        ReportSet target = new ReportSet();
-        target.setReports( Arrays.asList( "first", "second", "third" ) );
-        ReportSet source = new ReportSet();
-        source.setReports( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergeReportSet( target, source, true, null );
-
-        assertThat( target.getReports(), contains( "first", "second", "third" 
) );
-    }
-
-    @Test
-    public void mergeSameRepositories()
-    {
-        Repository repository = new Repository();
-        repository.setId( "repository" );
-
-        Model target = new Model();
-        target.setRepositories( Arrays.asList( repository ) );
-
-        Model source = new Model();
-        source.setRepositories( Arrays.asList( repository ) );
-
-        modelMerger.merge( target, source, true, null );
-
-        assertThat( target.getRepositories(), contains( repository ) );
-    }
-
-    @Test
-    public void mergeSameRoles()
-    {
-        Contributor target = new Contributor();
-        target.setRoles( Arrays.asList( "first", "second", "third" ) );
-        Contributor source = new Contributor();
-        source.setRoles( Arrays.asList( "first", "second", "third" ) );
-
-        modelMerger.mergeContributor_Roles( target, source, true, null );
-
-        assertThat( target.getRoles(), contains( "first", "second", "third" ) 
);
-    }
-
-    @Test
-    public void mergeUrl()
-    {
-        Model target = new Model();
-        target.setUrl( "TARGET" );;
-
-        Model source = new Model();
-        source.setUrl( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getUrl(), is( "SOURCE" ) );
-
-        target.setUrl( "TARGET" );;
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getUrl(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void mergeVersion()
-    {
-        Model target = new Model();
-        target.setVersion( "TARGET" );;
-
-        Model source = new Model();
-        source.setVersion( "SOURCE" );
-
-        modelMerger.merge( target, source, true, null );
-        assertThat( target.getVersion(), is( "SOURCE" ) );
-
-        target.setVersion( "TARGET" );;
-        modelMerger.merge( target, source, false, null );
-        assertThat( target.getVersion(), is( "TARGET" ) );
-    }
-
-    @Test
-    public void testMergedModelSerialization() throws Exception {
-        Model target = new Model();
-        Model source = new Model();
-        target.setLicenses(new ArrayList<License>());
-        License lic1 = new License();
-        License lic2 = new License();
-        target.getLicenses().add(lic1);
-        source.setLicenses(new ArrayList<License>());
-        source.getLicenses().add(lic2);
-
-        new MavenMerger().mergeModel(target, source, false, null);
-
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        ObjectOutputStream oos = new ObjectOutputStream(baos);
-        oos.writeObject(target);
-    }
-     */
 }
diff --git 
a/impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/concurrent/BuildPlanLogger.java
 
b/impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/concurrent/BuildPlanLogger.java
index 85bbe00e64..a326bab694 100644
--- 
a/impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/concurrent/BuildPlanLogger.java
+++ 
b/impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/concurrent/BuildPlanLogger.java
@@ -86,14 +86,6 @@ public void writePlan(Consumer<String> writer, BuildPlan 
plan, MavenProject proj
                                             .map(n -> phase(project, n, 
plan.duplicateIds()))
                                             .collect(Collectors.joining(", 
")));
                         }
-                        /*
-                        if (!node.successors.isEmpty()) {
-                            writer.accept("\tSuccessors:    "
-                                    + node.successors.stream()
-                                            .map(n -> phase(currentProject, n, 
duplicateIds))
-                                            .collect(Collectors.joining(", 
")));
-                        }
-                        */
                         step.mojos.values().stream()
                                 .flatMap(m -> m.values().stream())
                                 .forEach(mojo -> mojo(writer, mojo));
diff --git 
a/impl/maven-core/src/test/java/org/apache/maven/lifecycle/internal/stub/ProjectDependencyGraphStub.java
 
b/impl/maven-core/src/test/java/org/apache/maven/lifecycle/internal/stub/ProjectDependencyGraphStub.java
index d8624e2c4c..f9a80b8659 100644
--- 
a/impl/maven-core/src/test/java/org/apache/maven/lifecycle/internal/stub/ProjectDependencyGraphStub.java
+++ 
b/impl/maven-core/src/test/java/org/apache/maven/lifecycle/internal/stub/ProjectDependencyGraphStub.java
@@ -176,10 +176,6 @@ public List<MavenProject> 
getDownstreamProjects(MavenProject project, boolean tr
     }
 
     public List<MavenProject> getUpstreamProjects(MavenProject project, 
boolean transitive) {
-        /*  if ( transitive )
-        {
-            throw new RuntimeException( "Not implemented yet" );
-        }*/
         List<MavenProject> result = new ArrayList<>();
         final List<Dependency> dependencies = getDependencies();
         for (Dependency dependency : dependencies) {
diff --git 
a/impl/maven-core/src/test/java/org/apache/maven/plugin/PluginManagerTest.java 
b/impl/maven-core/src/test/java/org/apache/maven/plugin/PluginManagerTest.java
index 7020e40d25..f162134725 100644
--- 
a/impl/maven-core/src/test/java/org/apache/maven/plugin/PluginManagerTest.java
+++ 
b/impl/maven-core/src/test/java/org/apache/maven/plugin/PluginManagerTest.java
@@ -85,103 +85,6 @@ void testMojoDescriptorRetrieval() throws Exception {
         assertEquals("0.1", pluginDescriptor.getVersion());
     }
 
-    // 
-----------------------------------------------------------------------------------------------
-    // Tests which exercise the lifecycle executor when it is dealing with 
individual goals.
-    // 
-----------------------------------------------------------------------------------------------
-
-    // TODO These two tests display a lack of symmetry with respect to the 
input which is a free form string and the
-    //      mojo descriptor which comes back. All the free form parsing needs 
to be done somewhere else, this is
-    //      really the function of the CLI, and then the pre-processing of 
that output still needs to be fed into
-    //      a hinting process which helps flesh out the full specification of 
the plugin. The plugin manager should
-    //      only deal in concrete terms -- all version finding mumbo jumbo is 
a customization to base functionality
-    //      the plugin manager provides.
-
-    @Test
-    void testRemoteResourcesPlugin() throws Exception {
-        // TODO turn an equivalent back on when the RR plugin is released.
-
-        /*
-
-        This will not work until the RR plugin is released to get rid of the 
binding to the reporting exception which is a mistake.
-
-        This happens after removing the reporting API from the core:
-
-        java.lang.NoClassDefFoundError: 
org/apache/maven/reporting/MavenReportException
-
-        MavenSession session = createMavenSession( getProject( 
"project-with-inheritance" ) );
-        String goal = "process";
-
-        Plugin plugin = new Plugin();
-        plugin.setGroupId( "org.apache.maven.plugins" );
-        plugin.setArtifactId( "maven-remote-resources-plugin" );
-        plugin.setVersion( "1.0-beta-2" );
-
-        MojoDescriptor mojoDescriptor = pluginManager.getMojoDescriptor( 
plugin, goal, session.getCurrentProject(), session.getLocalRepository() );
-        assertPluginDescriptor( mojoDescriptor, "org.apache.maven.plugins", 
"maven-remote-resources-plugin", "1.0-beta-2" );
-        MojoExecution mojoExecution = new MojoExecution( mojoDescriptor );
-        pluginManager.executeMojo( session, mojoExecution );
-        */
-    }
-
-    // TODO this will be the basis of the customizable lifecycle execution so 
need to figure this out quickly.
-    public void testSurefirePlugin() throws Exception {
-        /*
-        MavenSession session = createMavenSession( getProject( 
"project-with-inheritance" ) );
-        String goal = "test";
-
-        Plugin plugin = new Plugin();
-        plugin.setGroupId( "org.apache.maven.plugins" );
-        plugin.setArtifactId( "maven-surefire-plugin" );
-        plugin.setVersion( "2.4.2" );
-
-        // The project has already been fully interpolated so getting the raw 
mojoDescriptor is not going to have the processes configuration.
-        MojoDescriptor mojoDescriptor = pluginManager.getMojoDescriptor( 
plugin, goal, session.getLocalRepository(), 
session.getCurrentProject().getPluginArtifactRepositories() );
-        assertPluginDescriptor( mojoDescriptor, "org.apache.maven.plugins", 
"maven-surefire-plugin", "2.4.2" );
-
-        System.out.println( 
session.getCurrentProject().getBuild().getPluginsAsMap() );
-
-        Xpp3Dom configuration = (Xpp3Dom) 
session.getCurrentProject().getBuild().getPluginsAsMap().get( plugin.getKey() 
).getExecutions().get( 0 ).getConfiguration();
-        MojoExecution mojoExecution = new MojoExecution( mojoDescriptor, 
configuration );
-        pluginManager.executeMojo( session, mojoExecution );
-        */
-    }
-
-    @Test
-    void testMojoConfigurationIsMergedCorrectly() throws Exception {}
-
-    /**
-     * The case where the user wants to specify an alternate version of the 
underlying tool. Common case
-     * is in the Antlr plugin which comes bundled with a version of Antlr but 
the user often times needs
-     * to use a specific version. We need to make sure the version that they 
specify takes precedence.
-     */
-    @Test
-    void testMojoWhereInternallyStatedDependencyIsOverriddenByProject() throws 
Exception {}
-
-    /**
-     * The case where you have a plugin in the current build that you want to 
be used on projects in
-     * the current build.
-     */
-    @Test
-    void testMojoThatIsPresentInTheCurrentBuild() throws Exception {}
-
-    /**
-     * This is the case where the Mojo wants to execute on every project and 
then do something at the end
-     * with the results of each project.
-     */
-    @Test
-    void testAggregatorMojo() throws Exception {}
-
-    /**
-     * This is the case where a Mojo needs the lifecycle run to a certain 
phase before it can do
-     * anything useful.
-     */
-    @Test
-    void testMojoThatRequiresExecutionToAGivenPhaseBeforeExecutingItself() 
throws Exception {}
-
-    // test that mojo which does not require dependency resolution trigger no 
downloading of dependencies
-
-    // test interpolation of basedir values in mojo configuration
-
     // test a build where projects use different versions of the same plugin
 
     @Test
diff --git 
a/impl/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
 
b/impl/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
index 8d87bf95bf..4fe089e6ce 100644
--- 
a/impl/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
+++ 
b/impl/maven-core/src/test/java/org/apache/maven/project/PomConstructionTest.java
@@ -448,20 +448,6 @@ void testParentInterpolation() throws Exception {
         assertEquals("1.3.0-SNAPSHOT", 
pom.getValue("build/plugins[1]/version"));
     }
 
-    /*
-    public void testMaven()
-        throws Exception
-    {
-        PomTestWrapper pom =  buildPomFromMavenProject( 
"maven-build/sub/pom.xml", null );
-
-        for( String s: pom.getMavenProject().getTestClasspathElements() )
-        {
-            System.out.println( s );
-        }
-
-    }
-    */
-
     /* MNG-3567*/
     @Test
     void testPluginManagementInherited() throws Exception {
@@ -533,13 +519,6 @@ void testExecutionConfiguration() throws Exception {
                 "src/main/mdo/security.xml", 
(pom.getValue("build/plugins[1]/executions[2]/configuration[1]/model")));
     }
 
-    /*
-        public void testPluginConfigDuplicate()
-        throws Exception
-    {
-        PomTestWrapper pom = buildPom( "plugin-config-duplicate/dup" );
-    }
-    */
     @Test
     void testSingleConfigurationInheritance() throws Exception {
         PomTestWrapper pom = buildPom("single-configuration-inheritance");
diff --git 
a/impl/maven-core/src/test/java/org/apache/maven/project/harness/PomTestWrapper.java
 
b/impl/maven-core/src/test/java/org/apache/maven/project/harness/PomTestWrapper.java
index e34071af2d..8d75e1644c 100644
--- 
a/impl/maven-core/src/test/java/org/apache/maven/project/harness/PomTestWrapper.java
+++ 
b/impl/maven-core/src/test/java/org/apache/maven/project/harness/PomTestWrapper.java
@@ -62,17 +62,6 @@ public void setValueOnModel(String expression, Object value) 
{
         context.setValue(expression, value);
     }
 
-    /*
-    public int containerCountForUri( String uri )
-        throws IOException
-    {
-        Validate.notEmpty( uri, "uri can neither be null nor empty " );
-        ModelDataSource source = new DefaultModelDataSource();
-        source.init( domainModel.getModelProperties(), null );
-        return source.queryFor( uri ).size();
-    }
-    */
-
     public Iterator<?> getIteratorForXPathExpression(String expression) {
         return context.iterate(expression);
     }
diff --git 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsBuilderFactoryTest.java
 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsBuilderFactoryTest.java
index 3e372f3a8c..5419b27d62 100644
--- 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsBuilderFactoryTest.java
+++ 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsBuilderFactoryTest.java
@@ -48,11 +48,6 @@ class DefaultSettingsBuilderFactoryTest {
 
     @BeforeEach
     void setup() {
-        //        Map<String, String> map = 
System.getProperties().entrySet().stream()
-        //                .collect(Collectors.toMap(
-        //                        e -> e.getKey().toString(), e -> 
e.getValue().toString()));
-        //        
lenient().when(session.getSystemProperties()).thenReturn(map);
-        //        
lenient().when(session.getUserProperties()).thenReturn(Collections.emptyMap());
         Mockito.lenient()
                 .when(session.getService(SettingsXmlFactory.class))
                 .thenReturn(new DefaultSettingsXmlFactory());
diff --git 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsValidatorTest.java
 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsValidatorTest.java
index a1b5028806..f604fe6bb3 100644
--- 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsValidatorTest.java
+++ 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/DefaultSettingsValidatorTest.java
@@ -28,15 +28,11 @@
 import org.apache.maven.api.settings.Repository;
 import org.apache.maven.api.settings.Settings;
 import org.apache.maven.impl.model.DefaultInterpolator;
-import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 
-/**
- */
 class DefaultSettingsValidatorTest {
 
     private SettingsBuilder validator;
@@ -46,15 +42,6 @@ void setUp() throws Exception {
         validator = new DefaultSettingsBuilder(new 
DefaultSettingsXmlFactory(), new DefaultInterpolator(), Map.of());
     }
 
-    @AfterEach
-    void tearDown() throws Exception {
-        validator = null;
-    }
-
-    private void assertContains(String msg, String substring) {
-        assertTrue(msg.contains(substring), "\"" + substring + "\" was not 
found in: " + msg);
-    }
-
     @Test
     void testValidate() {
         Profile prof = Profile.newBuilder().id("xxx").build();
@@ -83,152 +70,4 @@ void testValidate() {
         problems = validator.validate(model2);
         assertEquals(0, problems.totalProblemsReported());
     }
-
-    /*
-    @Test
-    void testValidateMirror() throws Exception {
-        Settings settings = new Settings();
-        Mirror mirror = new Mirror();
-        mirror.setId("local");
-        settings.addMirror(mirror);
-        mirror = new Mirror();
-        mirror.setId("illegal\\:/chars");
-        mirror.setUrl("http://void";);
-        mirror.setMirrorOf("void");
-        settings.addMirror(mirror);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(4, problems.messages.size());
-        assertContains(problems.messages.get(0), "'mirrors.mirror.id' must not 
be 'local'");
-        assertContains(problems.messages.get(1), "'mirrors.mirror.url' for 
local is missing");
-        assertContains(problems.messages.get(2), "'mirrors.mirror.mirrorOf' 
for local is missing");
-        assertContains(problems.messages.get(3), "'mirrors.mirror.id' must not 
contain any of these characters");
-    }
-
-    @Test
-    void testValidateRepository() throws Exception {
-        Profile profile = new Profile();
-        Repository repo = new Repository();
-        repo.setId("local");
-        profile.addRepository(repo);
-        repo = new Repository();
-        repo.setId("illegal\\:/chars");
-        repo.setUrl("http://void";);
-        profile.addRepository(repo);
-        Settings settings = new Settings();
-        settings.addProfile(profile);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(3, problems.messages.size());
-        assertContains(
-                problems.messages.get(0), 
"'profiles.profile[default].repositories.repository.id' must not be 'local'");
-        assertContains(
-                problems.messages.get(1),
-                "'profiles.profile[default].repositories.repository.url' for 
local is missing");
-        assertContains(
-                problems.messages.get(2),
-                "'profiles.profile[default].repositories.repository.id' must 
not contain any of these characters");
-    }
-
-    @Test
-    void testValidateUniqueServerId() throws Exception {
-        Settings settings = new Settings();
-        Server server1 = new Server();
-        server1.setId("test");
-        settings.addServer(server1);
-        Server server2 = new Server();
-        server2.setId("test");
-        settings.addServer(server2);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(1, problems.messages.size());
-        assertContains(
-                problems.messages.get(0), "'servers.server.id' must be unique 
but found duplicate server with id test");
-    }
-
-    @Test
-    void testValidateUniqueProfileId() throws Exception {
-        Settings settings = new Settings();
-        Profile profile1 = new Profile();
-        profile1.setId("test");
-        settings.addProfile(profile1);
-        Profile profile2 = new Profile();
-        profile2.setId("test");
-        settings.addProfile(profile2);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(1, problems.messages.size());
-        assertContains(
-                problems.messages.get(0),
-                "'profiles.profile.id' must be unique but found duplicate 
profile with id test");
-    }
-
-    @Test
-    void testValidateUniqueRepositoryId() throws Exception {
-        Settings settings = new Settings();
-        Profile profile = new Profile();
-        profile.setId("pro");
-        settings.addProfile(profile);
-        Repository repo1 = new Repository();
-        repo1.setUrl("http://apache.org/";);
-        repo1.setId("test");
-        profile.addRepository(repo1);
-        Repository repo2 = new Repository();
-        repo2.setUrl("http://apache.org/";);
-        repo2.setId("test");
-        profile.addRepository(repo2);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(1, problems.messages.size());
-        assertContains(
-                problems.messages.get(0),
-                "'profiles.profile[pro].repositories.repository.id' must be 
unique"
-                        + " but found duplicate repository with id test");
-    }
-
-    @Test
-    void testValidateUniqueProxyId() throws Exception {
-        Settings settings = new Settings();
-        Proxy proxy = new Proxy();
-        String id = "foo";
-        proxy.setId(id);
-        proxy.setHost("www.example.com");
-        settings.addProxy(proxy);
-        settings.addProxy(proxy);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(1, problems.messages.size());
-        assertContains(
-                problems.messages.get(0),
-                "'proxies.proxy.id' must be unique" + " but found duplicate 
proxy with id " + id);
-    }
-
-    @Test
-    void testValidateProxy() throws Exception {
-        Settings settings = new Settings();
-        Proxy proxy1 = new Proxy();
-        settings.addProxy(proxy1);
-
-        SimpleProblemCollector problems = new SimpleProblemCollector();
-        validator.validate(settings, problems);
-        assertEquals(1, problems.messages.size());
-        assertContains(problems.messages.get(0), "'proxies.proxy.host' for 
default is missing");
-    }
-
-    private static class SimpleProblemCollector implements 
SettingsProblemCollector {
-
-        public List<String> messages = new ArrayList<>();
-
-        public void add(Severity severity, String message, int line, int 
column, Exception cause) {
-            messages.add(message);
-        }
-    }
-
-     */
 }
diff --git 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/model/DefaultModelInterpolatorTest.java
 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/model/DefaultModelInterpolatorTest.java
index 4d9d5ff04d..7afe7a82e2 100644
--- 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/model/DefaultModelInterpolatorTest.java
+++ 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/model/DefaultModelInterpolatorTest.java
@@ -244,21 +244,6 @@ public void 
testShouldNotInterpolateDependencyVersionWithInvalidReference() thro
                         
Dependency.newBuilder().version("${something}").build()))
                 .build();
 
-        /*
-        // This is the desired behaviour, however there are too many crappy 
poms in the repo and an issue with the
-        // timing of executing the interpolation
-
-        try
-        {
-        new RegexBasedModelInterpolator().interpolate( model, context );
-        fail( "Should have failed to interpolate with invalid reference" );
-        }
-        catch ( ModelInterpolationException expected )
-        {
-        assertTrue( true );
-        }
-        */
-
         final SimpleProblemCollector collector = new SimpleProblemCollector();
         Model out = interpolator.interpolateModel(
                 model, Paths.get("."), 
createModelBuildingRequest(context).build(), collector);
diff --git 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/model/profile/ConditionProfileActivatorTest.java
 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/model/profile/ConditionProfileActivatorTest.java
index d6ba4d79ff..5d371c2fc3 100644
--- 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/model/profile/ConditionProfileActivatorTest.java
+++ 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/model/profile/ConditionProfileActivatorTest.java
@@ -273,25 +273,6 @@ void testOsNegatedArch() {
         assertActivation(true, profile, newContext(null, 
newOsProperties("windows", "6.5.0-1014-aws", "aarch64")));
     }
 
-    /*
-    @Test
-    void testOsFamily() {
-        Profile profile = 
newProfile(ActivationOS.newBuilder().family("windows"));
-
-        assertActivation(false, profile, newContext(null, 
newOsProperties("linux", "6.5.0-1014-aws", "amd64")));
-        assertActivation(true, profile, newContext(null, 
newOsProperties("windows", "6.5.0-1014-aws", "aarch64")));
-    }
-
-    @Test
-    void testOsNegatedFamily() {
-        Profile profile = 
newProfile(ActivationOS.newBuilder().family("!windows"));
-
-        assertActivation(true, profile, newContext(null, 
newOsProperties("linux", "6.5.0-1014-aws", "amd64")));
-        assertActivation(false, profile, newContext(null, 
newOsProperties("windows", "6.5.0-1014-aws", "aarch64")));
-    }
-
-     */
-
     @Test
     void testOsAllConditions() {
         Profile profile =
diff --git 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/standalone/ApiRunner.java 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/standalone/ApiRunner.java
index 816365108d..9e7fbe9c38 100644
--- 
a/impl/maven-impl/src/test/java/org/apache/maven/impl/standalone/ApiRunner.java
+++ 
b/impl/maven-impl/src/test/java/org/apache/maven/impl/standalone/ApiRunner.java
@@ -330,15 +330,6 @@ static Session newSession(RepositorySystem system, Lookup 
lookup, @Nullable Loca
         // TODO: remove that when this go more public
         properties.put("user.home", "target");
 
-        // SettingsDecrypter settingsDecrypter =
-        // 
(SettingsDecrypter)Objects.requireNonNull(this.createSettingsDecrypter(preBoot));
-        //        new DefaultProfileSelector(List.of(
-        //                new JdkVersionProfileActivator(),
-        //                new PropertyProfileActivator(),
-        //                new OperatingSystemProfileActivator(),
-        //                new FileProfileActivator(new 
ProfileActivationFilePathInterpolator(
-        //                        new DefaultPathTranslator(), new 
DefaultRootLocator()))));
-
         Path userHome = Paths.get(properties.get("user.home"));
         Path mavenUserHome = userHome.resolve(".m2");
         Path mavenSystemHome = properties.containsKey("maven.home")
diff --git 
a/impl/maven-logging/src/main/java/org/apache/maven/slf4j/MavenBaseLogger.java 
b/impl/maven-logging/src/main/java/org/apache/maven/slf4j/MavenBaseLogger.java
index 4b8edb6227..11070b834b 100644
--- 
a/impl/maven-logging/src/main/java/org/apache/maven/slf4j/MavenBaseLogger.java
+++ 
b/impl/maven-logging/src/main/java/org/apache/maven/slf4j/MavenBaseLogger.java
@@ -243,38 +243,6 @@ protected String computeShortName() {
         return name.substring(name.lastIndexOf(".") + 1);
     }
 
-    // /**
-    // * For formatted messages, first substitute arguments and then log.
-    // *
-    // * @param level
-    // * @param format
-    // * @param arg1
-    // * @param arg2
-    // */
-    // private void formatAndLog(int level, String format, Object arg1, Object 
arg2) {
-    // if (!isLevelEnabled(level)) {
-    // return;
-    // }
-    // FormattingTuple tp = MessageFormatter.format(format, arg1, arg2);
-    // log(level, tp.getMessage(), tp.getThrowable());
-    // }
-
-    // /**
-    // * For formatted messages, first substitute arguments and then log.
-    // *
-    // * @param level
-    // * @param format
-    // * @param arguments
-    // * a list of 3 ore more arguments
-    // */
-    // private void formatAndLog(int level, String format, Object... 
arguments) {
-    // if (!isLevelEnabled(level)) {
-    // return;
-    // }
-    // FormattingTuple tp = MessageFormatter.arrayFormat(format, arguments);
-    // log(level, tp.getMessage(), tp.getThrowable());
-    // }
-
     /**
      * Is the given log level currently enabled?
      *

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