diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 1da942548ff4..d3169a87e1b3 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -67,7 +67,7 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
 				   const struct mtk_pin_desc *desc,
 				   int field, struct mtk_pin_field *pfd)
 {
-	const struct mtk_pin_field_calc *c, *e;
+	const struct mtk_pin_field_calc *c;
 	const struct mtk_pin_reg_calc *rc;
 	int start = 0, end, check;
 	bool found = false;
@@ -82,8 +82,6 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
 	}
 
 	end = rc->nranges - 1;
-	c = rc->range;
-	e = c + rc->nranges;
 
 	while (start <= end) {
 		check = (start + end) >> 1;