diff --git a/dataengines/dict/dictengine.cpp b/dataengines/dict/dictengine.cpp
index 59ea6851e..86ddfe8ad 100644
--- a/dataengines/dict/dictengine.cpp
+++ b/dataengines/dict/dictengine.cpp
@@ -143,7 +143,7 @@ void DictEngine::getDicts()
     m_tcpSocket->readAll();
     QByteArray ret;
 
-    m_tcpSocket->write(QByteArray("SHOW DB\n"));;
+    m_tcpSocket->write(QByteArray("SHOW DB\n"));
     m_tcpSocket->flush();
 
     m_tcpSocket->waitForReadyRead();
diff --git a/libtaskmanager/autotests/tasktoolstest.cpp b/libtaskmanager/autotests/tasktoolstest.cpp
index 4c415de8a..30f1719fb 100644
--- a/libtaskmanager/autotests/tasktoolstest.cpp
+++ b/libtaskmanager/autotests/tasktoolstest.cpp
@@ -127,7 +127,7 @@ void TaskToolsTest::shouldCompareLauncherUrls()
 
     QVERIFY(launcherUrlsMatch(QUrl(a), QUrl(a)));
     QVERIFY(launcherUrlsMatch(QUrl(a), QUrl(a), Strict));
-    QVERIFY(launcherUrlsMatch(QUrl(a), QUrl(a), IgnoreQueryItems));;
+    QVERIFY(launcherUrlsMatch(QUrl(a), QUrl(a), IgnoreQueryItems));
 
     QVERIFY(!launcherUrlsMatch(QUrl(a), QUrl(b)));
     QVERIFY(!launcherUrlsMatch(QUrl(a), QUrl(b), Strict));
diff --git a/libtaskmanager/xwindowtasksmodel.cpp b/libtaskmanager/xwindowtasksmodel.cpp
index 2e0614283..ca4131a3f 100644
--- a/libtaskmanager/xwindowtasksmodel.cpp
+++ b/libtaskmanager/xwindowtasksmodel.cpp
@@ -588,7 +588,7 @@ QVariant XWindowTasksModel::data(const QModelIndex &index, int role) const
     } else if (role == MimeType) {
         return d->mimeType();
     } else if (role == MimeData) {
-        return QByteArray((char*)&window, sizeof(window));;
+        return QByteArray((char*)&window, sizeof(window));
     } else if (role == IsWindow) {
         return true;
     } else if (role == IsActive) {