diff --git a/src/qgcunittest/UASUnitTest.cc b/src/qgcunittest/UASUnitTest.cc
index 98d369212e4c8ec5173ff4631a5328cf01a9fc7a..f42f5c32fafe9e8c767b7aa7e6ed0ef55b01836a 100644
--- a/src/qgcunittest/UASUnitTest.cc
+++ b/src/qgcunittest/UASUnitTest.cc
@@ -298,112 +298,3 @@ void UASUnitTest::signalWayPoint_test()
     uas = NULL;
     delete wp2;
 }
-
-void UASUnitTest::signalUASLink_test()
-{
-    QSignalSpy spy(uas, SIGNAL(modeChanged(int,QString,QString)));
-    uas->setMode(2, 0);
-    QCOMPARE(spy.count(), 0);// not solve for UAS not receiving message from UAS
-
-    QSignalSpy spyS(LinkManager::instance(), SIGNAL(newLink(LinkInterface*)));
-    SerialLink* link = new SerialLink();
-
-    LinkManager::instance()->add(link);
-    LinkManager::instance()->addProtocol(link, mav);
-    QCOMPARE(spyS.count(), 1);
-
-    LinkManager::instance()->add(link);
-    LinkManager::instance()->addProtocol(link, mav);
-    QCOMPARE(spyS.count(), 1);// not add SerialLink, exist in list
-
-    SerialLink* link2 = new SerialLink();
-    LinkManager::instance()->add(link2);
-    LinkManager::instance()->addProtocol(link2, mav);
-    QCOMPARE(spyS.count(), 2);// add SerialLink, not exist in list
-
-    QList<LinkInterface*> links = LinkManager::instance()->getLinks();
-    foreach(LinkInterface* link, links)
-    {
-        qDebug()<< link->getName();
-        qDebug()<< QString::number(link->getId());
-        QVERIFY(link != NULL);
-        uas->addLink(link);
-    }
-
-    SerialLink* ff = static_cast<SerialLink*>(uas->getLinks()->at(0));
-
-    QCOMPARE(ff->isConnected(), false);
-
-    QCOMPARE(ff->isRunning(), false);
-
-    QCOMPARE(ff->isFinished(), false);
-
-    QCOMPARE(links.count(), uas->getLinks()->count());
-    QCOMPARE(uas->getLinks()->count(), 2);
-
-    delete link2;
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 1);
-    QCOMPARE(uas->getLinks()->count(), 1);
-
-    QCOMPARE(static_cast<LinkInterface*>(LinkManager::instance()->getLinks().at(0))->getId(),
-             static_cast<LinkInterface*>(uas->getLinks()->at(0))->getId());
-
-    SerialLink* link3 = new SerialLink();
-    LinkManager::instance()->add(link3);
-    LinkManager::instance()->addProtocol(link3, mav);
-    QCOMPARE(spyS.count(), 3);
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 2);
-
-    //all the links in LinkManager must be deleted because LinkManager::instance
-    //is static. 
-    delete link3;
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 1);
-    delete link;
-
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 0);
-}
-
-void UASUnitTest::signalIdUASLink_test()
-{
-
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 0);
-    SerialLink* myLink = new SerialLink();
-    myLink->setPortName("COM 17");
-    LinkManager::instance()->add(myLink);
-    LinkManager::instance()->addProtocol(myLink, mav);
-
-    SerialLink* myLink2 = new SerialLink();
-    myLink2->setPortName("COM 18");
-    LinkManager::instance()->add(myLink2);
-    LinkManager::instance()->addProtocol(myLink2, mav);
-
-    SerialLink* myLink3 = new SerialLink();
-    myLink3->setPortName("COM 19");
-    LinkManager::instance()->add(myLink3);
-    LinkManager::instance()->addProtocol(myLink3, mav);
-
-    SerialLink* myLink4 = new SerialLink();
-    myLink4->setPortName("COM 20");
-    LinkManager::instance()->add(myLink4);
-    LinkManager::instance()->addProtocol(myLink4, mav);
-
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 4);
-
-    QList<LinkInterface*> links = LinkManager::instance()->getLinks();
-
-    LinkInterface* a = static_cast<LinkInterface*>(links.at(0));
-    LinkInterface* b = static_cast<LinkInterface*>(links.at(1));
-    LinkInterface* c = static_cast<LinkInterface*>(links.at(2));
-    LinkInterface* d = static_cast<LinkInterface*>(links.at(3));
-    QCOMPARE(a->getName(), QString("COM 17"));
-    QCOMPARE(b->getName(), QString("COM 18"));
-    QCOMPARE(c->getName(), QString("COM 19"));
-    QCOMPARE(d->getName(), QString("COM 20"));
-
-    delete myLink4;
-    delete myLink3;
-    delete myLink2;
-    delete myLink;
-
-    QCOMPARE(LinkManager::instance()->getLinks().count(), 0);
-}
diff --git a/src/qgcunittest/UASUnitTest.h b/src/qgcunittest/UASUnitTest.h
index 45b1828bd935d3279f5d8715ec2b63bfd1c864c4..ea2e1897c242f6697fa5eb3d42773d9087a0e4c8 100644
--- a/src/qgcunittest/UASUnitTest.h
+++ b/src/qgcunittest/UASUnitTest.h
@@ -54,8 +54,6 @@ private slots:
   void getWaypointList_test();
   void signalWayPoint_test();
   void getWaypoint_test();
-  void signalUASLink_test();
-  void signalIdUASLink_test();
 };
 
 DECLARE_TEST(UASUnitTest)