diff --git a/MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf b/MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
index bcebb4dac0..e525bac38c 100644
--- a/MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
+++ b/MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
@@ -36,7 +36,7 @@
 #
 # The following information is for reference only and not required by the build tools.
 #
-  VALID_ARCHITECTURES           = IA32 X64 EBC
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
 #
 
 ################################################################################