diff --git a/drivers/clock_control/clock_control_wch_rcc.c b/drivers/clock_control/clock_control_wch_rcc.c
index 82a051d0d56..039a6694560 100644
--- a/drivers/clock_control/clock_control_wch_rcc.c
+++ b/drivers/clock_control/clock_control_wch_rcc.c
@@ -98,7 +98,6 @@ static void clock_control_wch_rcc_setup_flash(void)
 	} else {
 		latency = FLASH_ACTLR_LATENCY_2;
 	}
-	FLASH->ACTLR = (FLASH->ACTLR & ~FLASH_ACTLR_LATENCY) | latency;
 #else
 #error Unrecognised SOC family
 #endif