diff --git a/MdeModulePkg/Core/Dxe/DxeMain.h b/MdeModulePkg/Core/Dxe/DxeMain.h
index 059a38336a..1e98df9cdf 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain.h
+++ b/MdeModulePkg/Core/Dxe/DxeMain.h
@@ -2850,12 +2850,6 @@ CoreUpdateProfile (
   @param  NumberOfPages          The number of pages to convert
   @param  NewAttributes          The new attributes value for the range.
 
-  @retval EFI_INVALID_PARAMETER  Invalid parameter
-  @retval EFI_NOT_FOUND          Could not find a descriptor cover the specified
-                                 range  or convertion not allowed.
-  @retval EFI_SUCCESS            Successfully converts the memory range to the
-                                 specified attributes.
-
 **/
 VOID
 CoreUpdateMemoryAttributes (
diff --git a/MdeModulePkg/Core/Dxe/Mem/Page.c b/MdeModulePkg/Core/Dxe/Mem/Page.c
index f4ec48ff67..29354b4399 100644
--- a/MdeModulePkg/Core/Dxe/Mem/Page.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Page.c
@@ -937,12 +937,6 @@ CoreConvertPages (
   @param  NumberOfPages          The number of pages to convert
   @param  NewAttributes          The new attributes value for the range.
 
-  @retval EFI_INVALID_PARAMETER  Invalid parameter
-  @retval EFI_NOT_FOUND          Could not find a descriptor cover the specified
-                                 range  or convertion not allowed.
-  @retval EFI_SUCCESS            Successfully converts the memory range to the
-                                 specified attributes.
-
 **/
 VOID
 CoreUpdateMemoryAttributes (