diff --git a/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoLib.inf b/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoLib.inf
index f137ab8471..b677e9dec3 100644
--- a/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoLib.inf
+++ b/ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJunoLib.inf
@@ -38,7 +38,7 @@
   ArmJunoMem.c
 
 [Sources.AARCH64]
-  AArch64/ArmJunoHelper.S | GCC
+  AArch64/ArmJunoHelper.S
 
 [Sources.ARM]
   Arm/ArmJunoHelper.S     | GCC
diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf b/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf
index 57bebff13e..d1572882af 100644
--- a/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf
+++ b/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf
@@ -41,7 +41,7 @@
   VirtMem.c
 
 [Sources.AARCH64]
-  AARCH64/VirtHelper.S      | GCC
+  AARCH64/VirtHelper.S
 
 [Sources.ARM]
   ARM/VirtHelper.S          | GCC