diff --git a/drivers/clock_control/clock_control_npcx.c b/drivers/clock_control/clock_control_npcx.c
index 9b52af4ae8a..db8e0072b4a 100644
--- a/drivers/clock_control/clock_control_npcx.c
+++ b/drivers/clock_control/clock_control_npcx.c
@@ -39,7 +39,7 @@ static inline int npcx_clock_control_on(const struct device *dev,
 	struct npcx_clk_cfg *clk_cfg = (struct npcx_clk_cfg *)(sub_system);
 	const uint32_t pmc_base = DRV_CONFIG(dev)->base_pmc;
 
-	if (clk_cfg->ctrl >= NPCX_PWDWN_CTL_COUNT || clk_cfg->bit >= 8)
+	if (clk_cfg->ctrl >= NPCX_PWDWN_CTL_COUNT)
 		return -EINVAL;
 
 	/* Clear related PD (Power-Down) bit of module to turn on clock */
@@ -54,7 +54,7 @@ static inline int npcx_clock_control_off(const struct device *dev,
 	struct npcx_clk_cfg *clk_cfg = (struct npcx_clk_cfg *)(sub_system);
 	const uint32_t pmc_base = DRV_CONFIG(dev)->base_pmc;
 
-	if (clk_cfg->ctrl >= NPCX_PWDWN_CTL_COUNT || clk_cfg->bit >= 8)
+	if (clk_cfg->ctrl >= NPCX_PWDWN_CTL_COUNT)
 		return -EINVAL;
 
 	/* Set related PD (Power-Down) bit of module to turn off clock */