diff --git a/MoltenVK/MoltenVK/Utility/MVKEnvironment.h b/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
index f8ede334..b0a8eb42 100644
--- a/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
+++ b/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
@@ -362,5 +362,3 @@ void mvkSetConfig(MVKConfiguration& dstMVKConfig, const MVKConfiguration& srcMVK
 #   define MVK_CONFIG_SHADER_DUMP_DIR ""
 #endif
 
-#undef MVK_CONFIG__UNUSED_STRUCT_PADDING
-#define MVK_CONFIG__UNUSED_STRUCT_PADDING 0