$OpenBSD$

Index: Modules/_hashopenssl.c
--- Modules/_hashopenssl.c.orig
+++ Modules/_hashopenssl.c
@@ -40,11 +40,6 @@
 
 #define MUNCH_SIZE INT_MAX
 
-#define PY_OPENSSL_HAS_SCRYPT 1
-#define PY_OPENSSL_HAS_SHA3 1
-#define PY_OPENSSL_HAS_SHAKE 1
-#define PY_OPENSSL_HAS_BLAKE2 1
-
 static PyModuleDef _hashlibmodule;
 
 typedef struct {
