diff --git a/samples/boards/ti/cc13x2_cc26x2/system_off/prj.conf b/samples/boards/ti/cc13x2_cc26x2/system_off/prj.conf
index cd2033b868..28a8d5f248 100644
--- a/samples/boards/ti/cc13x2_cc26x2/system_off/prj.conf
+++ b/samples/boards/ti/cc13x2_cc26x2/system_off/prj.conf
@@ -1,5 +1,3 @@
 CONFIG_GPIO=y
-
 CONFIG_PM=y
-
-CONFIG_PM_DEVICE=y
+CONFIG_POWEROFF=y
diff --git a/samples/boards/ti/cc13x2_cc26x2/system_off/src/main.c b/samples/boards/ti/cc13x2_cc26x2/system_off/src/main.c
index 3d8229d5f2..8b02b7611f 100644
--- a/samples/boards/ti/cc13x2_cc26x2/system_off/src/main.c
+++ b/samples/boards/ti/cc13x2_cc26x2/system_off/src/main.c
@@ -10,7 +10,7 @@
 #include <zephyr/init.h>
 #include <zephyr/device.h>
 #include <zephyr/drivers/gpio.h>
-#include <zephyr/pm/pm.h>
+#include <zephyr/sys/poweroff.h>
 
 #include <driverlib/ioc.h>
 
@@ -53,26 +53,13 @@ int main(void)
 	printk("Sleep %u s (STANDBY)\n", SLEEP_S);
 	k_sleep(K_SECONDS(SLEEP_S));
 
-	printk("Entering system off (SHUTDOWN); press BUTTON1 to restart\n");
+	printk("Powering off; press BUTTON1 to restart\n");
 
 	/* Clear GPIO interrupt */
 	status = GPIO_getEventMultiDio(GPIO_DIO_ALL_MASK);
 	GPIO_clearEventMultiDio(status);
 
-	/*
-	 * Force the SOFT_OFF state.
-	 */
-	pm_state_force(0u, &(struct pm_state_info){PM_STATE_SOFT_OFF, 0, 0});
+	sys_poweroff();
 
-	/* Now we need to go sleep. This will let the idle thread runs and
-	 * the pm subsystem will use the forced state. To confirm that the
-	 * forced state is used, lets set the same timeout used previously.
-	 */
-	k_sleep(K_SECONDS(SLEEP_S));
-
-	printk("ERROR: System off failed\n");
-	while (true) {
-		/* spin to avoid fall-off behavior */
-	}
 	return 0;
 }