diff --git a/Source/Core/Common/MemoryUtil.h b/Source/Core/Common/MemoryUtil.h
index 56ef604def..fa41da297c 100644
--- a/Source/Core/Common/MemoryUtil.h
+++ b/Source/Core/Common/MemoryUtil.h
@@ -21,12 +21,4 @@ void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute = false);
 std::string MemUsage();
 size_t MemPhysical();
 
-void GuardMemoryMake(void* ptr, size_t size);
-void GuardMemoryUnmake(void* ptr, size_t size);
-
-inline int GetPageSize()
-{
-  return 4096;
-}
-
 }  // namespace Common