diff --git a/gdk/Makefile.am b/gdk/Makefile.am
index 860973b73e..632c687e7d 100644
--- a/gdk/Makefile.am
+++ b/gdk/Makefile.am
@@ -372,7 +372,6 @@ lib_LTLIBRARIES = libgdk-3.la
 
 MAINTAINERCLEANFILES = $(gdk_built_sources) stamp-gdkenumtypes.h
 EXTRA_DIST += \
-	$(gdk_built_sources)	\
 	fallback-c89.c
 
 install-exec-hook: