1 files changed, 4 insertions, 1 deletions
diff --git a/src/libsyntax/syntax.rc b/src/libsyntax/syntax.rc
index 5a384f04cb3..852c815e9fe 100644
--- a/src/libsyntax/syntax.rc
+++ b/src/libsyntax/syntax.rc
@@ -79,5 +79,8 @@ mod ext {
     mod auto_serialize;
     mod source_util;
 
-    mod pipes;
+    mod pipes {
+        mod pipec;
+        mod ast_builder;
+    }
 }