diff --git a/Makefile b/Makefile
index 8aa72fd63a..ddc7f0c5b8 100644
--- a/Makefile
+++ b/Makefile
@@ -179,6 +179,8 @@ clean::
 	$(RM) $(ALLAVPROGS) $(ALLAVPROGS_G)
 	$(RM) $(CLEANSUFFIXES)
 	$(RM) $(CLEANSUFFIXES:%=tools/%)
+	$(RM) $(CLEANSUFFIXES:%=compat/msvcrt/%)
+	$(RM) $(CLEANSUFFIXES:%=compat/%)
 	$(RM) -r coverage-html
 	$(RM) -rf coverage.info coverage.info.in lcov