diff --git a/components/drivers/misc/rt_drv_pwm.c b/components/drivers/misc/rt_drv_pwm.c
index 4bb34111f7..4fcd528adc 100644
--- a/components/drivers/misc/rt_drv_pwm.c
+++ b/components/drivers/misc/rt_drv_pwm.c
@@ -418,7 +418,6 @@ int pwm_list(int argc, char **argv)
 
         default:
             goto _usage;
-            break;
         }
     }
     else