diff --git a/Makefile.in b/Makefile.in
index dee09687b7..a69e429835 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -2262,6 +2262,6 @@ clean:
 	$(RM) *.d
 	$(RM) parser.c
 	$(RM) lexer.c
-	$(RM) ./lib/*
+	$(RM) ./lib/*.a ./lib/*.so*
 
 cleanall: clean