diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index f13c3f4228d4d..7429edebbe689 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3062,9 +3062,6 @@ const char *of_clk_get_parent_name(struct device_node *np, int index)
 	int count;
 	struct clk *clk;
 
-	if (index < 0)
-		return NULL;
-
 	rc = of_parse_phandle_with_args(np, "clocks", "#clock-cells", index,
 					&clkspec);
 	if (rc)