diff --git a/Makefile.in b/Makefile.in
index c336356..f9f4b61 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -29,4 +29,4 @@ check: cocoa-test
 
 .PHONY: clean
 clean:
-	rm -f cocoa-test *.a *.o *.so *.dylib *.dll *.dummy cocoa-test
+	rm -f cocoa-test *.a *.o *.so *.dylib *.rlib *.dll *.dummy cocoa-test