diff --git a/samples/boards/stm32/power_mgmt/blinky/src/main.c b/samples/boards/stm32/power_mgmt/blinky/src/main.c
index 30c73bfd7bd..5097627fe8c 100644
--- a/samples/boards/stm32/power_mgmt/blinky/src/main.c
+++ b/samples/boards/stm32/power_mgmt/blinky/src/main.c
@@ -23,9 +23,6 @@ void main(void)
 
 	printk("Device ready\n");
 
-	/* Don't let the system power off / low power this device */
-	pm_device_busy_set(led.port);
-
 	while (true) {
 		gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
 		gpio_pin_set(led.port, led.pin, (int)led_is_on);