diff --git a/Source/Makefile.postamble b/Source/Makefile.postamble
index d07a4a1ac..a04024c93 100644
--- a/Source/Makefile.postamble
+++ b/Source/Makefile.postamble
@@ -88,6 +88,8 @@ after-uninstall::
 	for file in $(UNICODE_HEADERS); do \
 	  rm $(GNUSTEP_HEADERS)/gnustep/$$file ; \
 	done
+	rm $(GNUSTEP_HEADERS)/$(GNUSTEP_TARGET_DIR)/GSConfig.h
+	rm $(GNUSTEP_HEADERS)/$(GNUSTEP_TARGET_DIR)/mframe.h
 
 # Things to do before cleaning
 # before-clean::