diff --git a/drivers/clk/kendryte/clk.c b/drivers/clk/kendryte/clk.c
index bb19696..4b95940 100644
--- a/drivers/clk/kendryte/clk.c
+++ b/drivers/clk/kendryte/clk.c
@@ -471,8 +471,7 @@
 cleanup_div:
 	free(div);
 cleanup_mux:
-	if (mux)
-		free(mux);
+	free(mux);
 	return comp;
 }