diff --git a/datapath/linux/Makefile.main.in b/datapath/linux/Makefile.main.in
index 88f144ccb52..7d18253be57 100644
--- a/datapath/linux/Makefile.main.in
+++ b/datapath/linux/Makefile.main.in
@@ -29,7 +29,8 @@ check: all
 installcheck:
 mostlyclean:
 clean:
-	rm -f *.o *.ko *.mod.* Module.symvers *.cmd kcompat.h.new
+	rm -f *.o *.ko *.mod.* Module.symvers .*.cmd kcompat.h.new \
+		modules.order .tmp_versions/openvswitch.mod
 	for d in $(build_links); do if test -h $$d; then rm $$d; fi; done
 distclean: clean
 	rm -f kcompat.h