diff --git a/clang/include/clang/module.modulemap b/clang/include/clang/module.modulemap
--- a/clang/include/clang/module.modulemap
+++ b/clang/include/clang/module.modulemap
@@ -148,6 +148,11 @@
   // importing the AST matchers library gives a link dependency on the AST
   // matchers (and thus the AST), which clang-format should not have.
   exclude header "Tooling/RefactoringCallbacks.h"
+  exclude header "Tooling/Transformer/MatchConsumer.h"
+  exclude header "Tooling/Transformer/RewriteRule.h"
+  exclude header "Tooling/Transformer/RangeSelector.h"
+  exclude header "Tooling/Transformer/Stencil.h"
+  exclude header "Tooling/Transformer/Transformer.h"
 }
 
 module Clang_ToolingCore {