diff --git a/src/mono/mono/utils/mono-dl.h b/src/mono/mono/utils/mono-dl.h
index 0f6132e150f36..44e7e9e34e186 100644
--- a/src/mono/mono/utils/mono-dl.h
+++ b/src/mono/mono/utils/mono-dl.h
@@ -11,11 +11,7 @@
 
 #ifdef TARGET_WIN32
 #define MONO_SOLIB_EXT ".dll"
-#elif defined(__ppc__) && defined(TARGET_MACH)
-#define MONO_SOLIB_EXT ".dylib"
-#elif defined(TARGET_MACH) && defined(TARGET_X86)
-#define MONO_SOLIB_EXT ".dylib"
-#elif defined(TARGET_MACH) && defined(TARGET_AMD64)
+#elif defined(TARGET_MACH)
 #define MONO_SOLIB_EXT ".dylib"
 #else
 #define MONO_SOLIB_EXT ".so"