diff --git a/MdePkg/Library/BaseLib/UnitTestHostBaseLib.inf b/MdePkg/Library/BaseLib/UnitTestHostBaseLib.inf
index 12a5cdcc0a9e..1d53f940f5d0 100644
--- a/MdePkg/Library/BaseLib/UnitTestHostBaseLib.inf
+++ b/MdePkg/Library/BaseLib/UnitTestHostBaseLib.inf
@@ -23,7 +23,7 @@
   LIBRARY_CLASS                  = UnitTestHostBaseLib|HOST_APPLICATION
 
 #
-#  VALID_ARCHITECTURES           = IA32 X64 EBC ARM AARCH64 RISCV64
+#  VALID_ARCHITECTURES           = IA32 X64
 #
 
 [Sources]