diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.c b/MdePkg/Library/DxePcdLib/DxePcdLib.c
index 43dcf90793..b2e09af565 100644
--- a/MdePkg/Library/DxePcdLib/DxePcdLib.c
+++ b/MdePkg/Library/DxePcdLib/DxePcdLib.c
@@ -816,9 +816,6 @@ LibPcdSetExBool (
   @param[in]  TokenNumber The PCD token number to monitor.
   @param[in]  NotificationFunction The function to call when the token 
               specified by Guid and TokenNumber is set.
-
-  @retval VOID
-
 **/
 VOID
 EFIAPI
@@ -850,8 +847,6 @@ LibPcdCallbackOnSet (
   @param[in]  TokenNumber Specify the token number.
   @param[in]  NotificationFunction The callback function to be unregistered.
 
-  @retval VOID
-
 **/
 VOID
 EFIAPI