diff --git a/MdePkg/Include/Library/ExtractGuidedSectionLib.h b/MdePkg/Include/Library/ExtractGuidedSectionLib.h
index 003fc898ba..01e0ab1f8c 100644
--- a/MdePkg/Include/Library/ExtractGuidedSectionLib.h
+++ b/MdePkg/Include/Library/ExtractGuidedSectionLib.h
@@ -128,7 +128,6 @@ RETURN_STATUS
                              allocated output buffer. 
 
   @retval  RETURN_SUCCESS           The handlers were registered.
-  @retval  RETURN_ALREADY_STARTED   Handlers have already been registered for the GUID specified by SectionGuid. 
   @retval  RETURN_OUT_OF_RESOURCES  There are not enough resources available to register the handlers.
 
 **/
diff --git a/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c b/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c
index 9e9cc009ab..775c069609 100644
--- a/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c
+++ b/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c
@@ -99,6 +99,7 @@ ExtractGuidedSectionGetGuidList (
   Registers the handlers specified by GetInfoHandler and DecodeHandler with the GUID specified by SectionGuid.
   If the GUID value specified by SectionGuid has already been registered, then return RETURN_ALREADY_STARTED.
   If there are not enough resources available to register the handlers  then RETURN_OUT_OF_RESOURCES is returned.
+  
   If SectionGuid is NULL, then ASSERT().
   If GetInfoHandler is NULL, then ASSERT().
   If DecodeHandler is NULL, then ASSERT().
@@ -112,7 +113,6 @@ ExtractGuidedSectionGetGuidList (
                              allocated output buffer. 
 
   @retval  RETURN_SUCCESS           The handlers were registered.
-  @retval  RETURN_ALREADY_STARTED   Handlers have already been registered for the GUID specified by SectionGuid. 
   @retval  RETURN_OUT_OF_RESOURCES  There are not enough resources available to register the handlers.
 
 **/
diff --git a/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c b/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c
index 24bea8a4d5..4da3d8afa1 100644
--- a/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c
+++ b/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c
@@ -180,7 +180,6 @@ ExtractGuidedSectionGetGuidList (
                              allocated output buffer. 
 
   @retval  RETURN_SUCCESS           The handlers were registered.
-  @retval  RETURN_ALREADY_STARTED   Handlers have already been registered for the GUID specified by SectionGuid. 
   @retval  RETURN_OUT_OF_RESOURCES  There are not enough resources available to register the handlers.
 
 **/