diff --git a/samples/boards/mec15xxevb_assy6853/power_management/src/power_mgmt.c b/samples/boards/mec15xxevb_assy6853/power_management/src/power_mgmt.c
index 6face4d54d2..4d11198ce59 100644
--- a/samples/boards/mec15xxevb_assy6853/power_management/src/power_mgmt.c
+++ b/samples/boards/mec15xxevb_assy6853/power_management/src/power_mgmt.c
@@ -134,6 +134,15 @@ static void create_tasks(void)
 
 }
 
+static void destroy_tasks(void)
+{
+	k_thread_abort(&threadA_id);
+	k_thread_abort(&threadB_id);
+
+	k_thread_join(&threadA_id, K_FOREVER);
+	k_thread_join(&threadB_id, K_FOREVER);
+}
+
 static void suspend_all_tasks(void)
 {
 	k_thread_suspend(&threadA_id);
@@ -191,6 +200,8 @@ int test_pwr_mgmt_multithread(bool use_logging, u8_t cycles)
 		resume_all_tasks();
 	}
 
+	destroy_tasks();
+
 	pm_reset_counters();
 
 	return 0;