diff --git a/mozilla/layout/base/src/MANIFEST b/mozilla/layout/base/src/MANIFEST
index 86cd2a4342b..638ae4852f4 100644
--- a/mozilla/layout/base/src/MANIFEST
+++ b/mozilla/layout/base/src/MANIFEST
@@ -1,24 +1,4 @@
 #
 # This is a list of local files which get copied to the mozilla:dist:layout directory
 #
-nslayout.h
-nsIContent.h
-nsIContentDelegate.h
-nsIDocument.h
-nsIDocumentContainer.h
-nsIDocumentObserver.h
-nsIFrame.h
-nsIFrameImageLoader.h
-nsIPresContext.h
-nsIPresShell.h
-nsIReflowCommand.h
-nsIRunaround.h
-nsISelection.h
-nsISpaceManager.h
-nsStyleCoord.h
-nsStyleStruct.h
-nsIStyleContext.h
-nsIStyleRule.h
-nsIStyleSet.h
-nsIStyleSheet.h
-nsITextContent.h
+nsContentList.h