diff --git a/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitter.h b/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitter.h
index 4ab0e0f78e..8ca743cbe5 100644
--- a/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitter.h
+++ b/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitter.h
@@ -28,7 +28,7 @@ typedef struct {
 } TEXT_OUT_SPLITTER_QUERY_DATA;
 
 //
-// Private data for the EFI_SIMPLE_INPUT_PROTOCOL splitter
+// Private data for the EFI_SIMPLE_TEXT_INPUT_PROTOCOL splitter
 //
 #define TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('T', 'i', 'S', 'p')
 
diff --git a/MdePkg/Include/Protocol/SimpleTextIn.h b/MdePkg/Include/Protocol/SimpleTextIn.h
index 053ed58b90..3e7f016f4c 100644
--- a/MdePkg/Include/Protocol/SimpleTextIn.h
+++ b/MdePkg/Include/Protocol/SimpleTextIn.h
@@ -25,7 +25,6 @@
     0x387477c1, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
   }
 
-#define EFI_SIMPLE_INPUT_PROTOCOL_GUID      EFI_SIMPLE_TEXT_IN_PROTOCOL_GUID
 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID EFI_SIMPLE_TEXT_IN_PROTOCOL_GUID
 
 typedef struct _EFI_SIMPLE_TEXT_IN_PROTOCOL EFI_SIMPLE_TEXT_IN_PROTOCOL;
@@ -119,7 +118,7 @@ struct _EFI_SIMPLE_TEXT_IN_PROTOCOL {
   EFI_INPUT_RESET     Reset;
   EFI_INPUT_READ_KEY  ReadKeyStroke;
   EFI_EVENT           WaitForKey;
-} EFI_SIMPLE_INPUT_PROTOCOL;
+};
 
 extern EFI_GUID gEfiSimpleTextInProtocolGuid;