diff --git a/src/MissionManager/MissionItemTest.cc b/src/MissionManager/MissionItemTest.cc
index e211f32..2926e20 100644
--- a/src/MissionManager/MissionItemTest.cc
+++ b/src/MissionManager/MissionItemTest.cc
@@ -39,12 +39,11 @@ void MissionItemTest::init(void)
                                   MAV_TYPE_QUADROTOR,
                                   qgcApp()->toolbox()->firmwarePluginManager(),
                                   this);
-
 }
 
 void MissionItemTest::cleanup(void)
 {
-    delete _offlineVehicle;
+    _offlineVehicle->deleteLater();
     UnitTest::cleanup();
 }
 
diff --git a/src/MissionManager/VisualMissionItemTest.cc b/src/MissionManager/VisualMissionItemTest.cc
index beb9cae..b3992a7 100644
--- a/src/MissionManager/VisualMissionItemTest.cc
+++ b/src/MissionManager/VisualMissionItemTest.cc
@@ -54,7 +54,7 @@ void VisualMissionItemTest::init(void)
 
 void VisualMissionItemTest::cleanup(void)
 {
-    delete _offlineVehicle;
+    _offlineVehicle->deleteLater();
     UnitTest::cleanup();
 }