diff --git a/Dependencies/dxcompiler/include/WinAdapter.h b/Dependencies/dxcompiler/include/WinAdapter.h
index 6a9557d..878ba17 100644
--- a/Dependencies/dxcompiler/include/WinAdapter.h
+++ b/Dependencies/dxcompiler/include/WinAdapter.h
@@ -46,7 +46,9 @@
 #define CoTaskMemAlloc malloc
 #define CoTaskMemFree free
 
+#ifndef ARRAYSIZE
 #define ARRAYSIZE(array) (sizeof(array) / sizeof(array[0]))
+#endif // ARRAYSIZE
 
 #define _countof(a) (sizeof(a) / sizeof(*(a)))
 
diff --git a/Source/Base/Base/Platform.h b/Source/Base/Base/Platform.h
index ae5d9c6..a3d06a7 100644
--- a/Source/Base/Base/Platform.h
+++ b/Source/Base/Base/Platform.h
@@ -68,7 +68,5 @@ static_assert(false, "Please add PRAGMA_ENABLE_OPTIMIZATION/PRAGMA_DISABLE_OPTIM
 #ifndef strcpy_s
 #define strcpy_s(dest, count)  strcpy((dest), (count))
 #endif // strcpy_s
-#ifndef ARRAYSIZE
 #define ARRAYSIZE(arr) (sizeof(arr)/sizeof(arr[0]))
-#endif // ARRAYSIZE
 #endif