diff --git a/drivers/clock_control/clock_control_litex.c b/drivers/clock_control/clock_control_litex.c
index 65566048003..b2d04a3cc92 100644
--- a/drivers/clock_control/clock_control_litex.c
+++ b/drivers/clock_control/clock_control_litex.c
@@ -975,8 +975,6 @@ static int litex_clk_set_duty_cycle(struct litex_clk_clkout *lcko,
 	   *low_time = &lcko->div.low_time;
 
 	if (lcko->frac.frac == 0) {
-		int ret;
-
 		lcko->ts_config.duty = *duty;
 		LOG_DBG("CLKOUT%d: setting duty: %u/%u",
 			lcko->id, duty->num, duty->den);
diff --git a/drivers/clock_control/nrf_clock_calibration.c b/drivers/clock_control/nrf_clock_calibration.c
index 409c263a91c..bea799515e1 100644
--- a/drivers/clock_control/nrf_clock_calibration.c
+++ b/drivers/clock_control/nrf_clock_calibration.c
@@ -44,7 +44,7 @@ static void cal_lf_callback(struct onoff_manager *mgr,
 			    struct onoff_client *cli,
 			    uint32_t state, int res);
 
-static struct onoff_client cli;
+static struct onoff_client client;
 static struct onoff_manager *mgrs;
 
 /* Temperature sensor is only needed if
@@ -87,12 +87,12 @@ static void clk_release(struct onoff_manager *mgr)
 
 static void hf_request(void)
 {
-	clk_request(&mgrs[CLOCK_CONTROL_NRF_TYPE_HFCLK], &cli, cal_hf_callback);
+	clk_request(&mgrs[CLOCK_CONTROL_NRF_TYPE_HFCLK], &client, cal_hf_callback);
 }
 
 static void lf_request(void)
 {
-	clk_request(&mgrs[CLOCK_CONTROL_NRF_TYPE_LFCLK], &cli, cal_lf_callback);
+	clk_request(&mgrs[CLOCK_CONTROL_NRF_TYPE_LFCLK], &client, cal_lf_callback);
 }
 
 static void hf_release(void)