diff --git a/_config b/_config
index 9dfdebd..4e60497 100644
--- a/_config
+++ b/_config
@@ -214,6 +214,12 @@ Macros:
 :Macros
 %endif
 
+# shim signed by MicroSoft is temporarily aggregated from SLE15-SP1
+%ifarch x86_64
+BuildFlags: excludebuild:shim
+BuildFlags: excludebuild:shim-leap
+%endif
+
 %if "%_repository" == "images" || "%_repository" == "container"
   Prefer: openSUSE-release -dummy-release
   # FTP tree takes forever