diff --git a/Source/GmmLib/inc/External/Common/GmmResourceInfoCommon.h b/Source/GmmLib/inc/External/Common/GmmResourceInfoCommon.h
index f6071b3..0966d89 100644
--- a/Source/GmmLib/inc/External/Common/GmmResourceInfoCommon.h
+++ b/Source/GmmLib/inc/External/Common/GmmResourceInfoCommon.h
@@ -633,7 +633,7 @@
             /////////////////////////////////////////////////////////////////////////////////////
             GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL SetMmcMode(GMM_RESOURCE_MMC_INFO Mode, uint32_t ArrayIndex)
             {
-                __GMM_ASSERT((Mode == GMM_MMC_DISABLED) || (Mode == GMM_MMC_HORIZONTAL) || (Mode == GMM_MMC_VERTICAL) || (Mode == GMM_MMC_MC) || (Mode == GMM_MMC_RC));
+                __GMM_ASSERT((Mode == GMM_MMC_DISABLED) || (Mode == GMM_MMC_HORIZONTAL) || (Mode == GMM_MMC_VERTICAL));
                 __GMM_ASSERT(ArrayIndex < GMM_MAX_MMC_INDEX);
 
                 if (ArrayIndex < GMM_MAX_MMC_INDEX)
diff --git a/Source/GmmLib/inc/External/Common/GmmResourceInfoExt.h b/Source/GmmLib/inc/External/Common/GmmResourceInfoExt.h
index 4cf9cd2..63fbd98 100644
--- a/Source/GmmLib/inc/External/Common/GmmResourceInfoExt.h
+++ b/Source/GmmLib/inc/External/Common/GmmResourceInfoExt.h
@@ -59,8 +59,6 @@
     GMM_MMC_DISABLED = 0,
     GMM_MMC_HORIZONTAL,
     GMM_MMC_VERTICAL,
-    GMM_MMC_MC,
-    GMM_MMC_RC
 }GMM_RESOURCE_MMC_INFO;
 
 //===========================================================================