diff --git a/demo/Makefile b/demo/Makefile
index bf117cf..1a92309 100644
--- a/demo/Makefile
+++ b/demo/Makefile
@@ -24,4 +24,4 @@ demo:
 	$(CC) -o $(BIN) main.c $(CFLAGS) $(LDFLAGS)
 
 clean:
-	rm -f $(BIN) *.o
+	rm -f $(BIN)