diff --git a/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockPlatformPKProtectionLib.inf b/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockPlatformPKProtectionLib.inf
index c927ef7099..3698e4fad0 100644
--- a/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockPlatformPKProtectionLib.inf
+++ b/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockPlatformPKProtectionLib.inf
@@ -17,7 +17,7 @@
 #
 # The following information is for reference only and not required by the build tools.
 #
-#  VALID_ARCHITECTURES           = IA32 X64 AARCH64
+#  VALID_ARCHITECTURES           = IA32 X64
 #
 
 [Sources]
diff --git a/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiLib.inf b/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiLib.inf
index fecf468411..e02d04f376 100644
--- a/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiLib.inf
+++ b/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiLib.inf
@@ -23,7 +23,7 @@
   LIBRARY_CLASS                  = UefiLib
 
 #
-#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#  VALID_ARCHITECTURES           = IA32 X64
 #
 
 [Sources]
diff --git a/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiRuntimeServicesTableLib.inf b/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiRuntimeServicesTableLib.inf
index 6fe0418960..e59a3394d5 100644
--- a/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiRuntimeServicesTableLib.inf
+++ b/SecurityPkg/Library/SecureBootVariableLib/UnitTest/MockUefiRuntimeServicesTableLib.inf
@@ -15,7 +15,7 @@
   LIBRARY_CLASS                  = UefiRuntimeServicesTableLib
 
 #
-#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#  VALID_ARCHITECTURES           = IA32 X64
 #
 
 [Sources]