diff --git a/share/qtcreator/templates/wizards/bb-qt5-quick2app/main.cpp b/share/qtcreator/templates/wizards/bb-qt5-quick2app/main.cpp
index c90d2f8a6c8..73140fdcc37 100644
--- a/share/qtcreator/templates/wizards/bb-qt5-quick2app/main.cpp
+++ b/share/qtcreator/templates/wizards/bb-qt5-quick2app/main.cpp
@@ -14,8 +14,8 @@ int main( int argc, char** argv )
     view->setSource( QUrl( "app/native/qml/main.qml" ) );
 
     QDeclarativeEngine* engine = view->engine();
-    QObject::connect( engine, SIGNAL( quit() ),
-                      QCoreApplication::instance(), SLOT( quit() ) );
+    QObject::connect( engine, SIGNAL(quit()),
+                      QCoreApplication::instance(), SLOT(quit()) );
     window = view;
     window->showMaximized();
 
diff --git a/src/plugins/android/androiddebugsupport.cpp b/src/plugins/android/androiddebugsupport.cpp
index 8459b047433..5e20cd67716 100644
--- a/src/plugins/android/androiddebugsupport.cpp
+++ b/src/plugins/android/androiddebugsupport.cpp
@@ -124,8 +124,8 @@ AndroidDebugSupport::AndroidDebugSupport(AndroidRunConfiguration *runConfig,
 
     connect(m_runner, SIGNAL(remoteProcessStarted(int,int)),
         SLOT(handleRemoteProcessStarted(int,int)));
-    connect(m_runner, SIGNAL(remoteProcessFinished(const QString &)),
-        SLOT(handleRemoteProcessFinished(const QString &)));
+    connect(m_runner, SIGNAL(remoteProcessFinished(QString)),
+        SLOT(handleRemoteProcessFinished(QString)));
 
     connect(m_runner, SIGNAL(remoteErrorOutput(QByteArray)),
         SLOT(handleRemoteErrorOutput(QByteArray)));
@@ -146,8 +146,8 @@ void AndroidDebugSupport::handleRemoteProcessStarted(int gdbServerPort, int qmlP
 
 void AndroidDebugSupport::handleRemoteProcessFinished(const QString &errorMsg)
 {
-    disconnect(m_runner, SIGNAL(remoteProcessFinished(const QString &)),
-        this,SLOT(handleRemoteProcessFinished(const QString &)));
+    disconnect(m_runner, SIGNAL(remoteProcessFinished(QString)),
+        this,SLOT(handleRemoteProcessFinished(QString)));
     m_runControl->engine()->notifyEngineRemoteSetupFailed(errorMsg);
 }
 
diff --git a/src/plugins/android/androidruncontrol.cpp b/src/plugins/android/androidruncontrol.cpp
index c65973e6fe9..782a5059210 100644
--- a/src/plugins/android/androidruncontrol.cpp
+++ b/src/plugins/android/androidruncontrol.cpp
@@ -67,8 +67,8 @@ void AndroidRunControl::start()
         SLOT(handleRemoteErrorOutput(QByteArray)));
     connect(m_runner, SIGNAL(remoteOutput(QByteArray)),
         SLOT(handleRemoteOutput(QByteArray)));
-    connect(m_runner, SIGNAL(remoteProcessFinished(const QString &)),
-        SLOT(handleRemoteProcessFinished(const QString &)));
+    connect(m_runner, SIGNAL(remoteProcessFinished(QString)),
+        SLOT(handleRemoteProcessFinished(QString)));
     appendMessage(tr("Starting remote process ..."), Utils::NormalMessageFormat);
     m_runner->start();
 }
diff --git a/src/plugins/coreplugin/documentmanager.cpp b/src/plugins/coreplugin/documentmanager.cpp
index a857a8c85da..7a1b0c5ab35 100644
--- a/src/plugins/coreplugin/documentmanager.cpp
+++ b/src/plugins/coreplugin/documentmanager.cpp
@@ -292,7 +292,7 @@ void DocumentManager::addDocuments(const QList<IDocument *> &documents, bool add
         foreach (IDocument *document, documents) {
             if (document && !d->m_documentsWithoutWatch.contains(document)) {
                 connect(document, SIGNAL(destroyed(QObject*)), m_instance, SLOT(documentDestroyed(QObject*)));
-                connect(document, SIGNAL(fileNameChanged(QString,QString)), m_instance, SLOT(fileNameChanged(QString, QString)));
+                connect(document, SIGNAL(fileNameChanged(QString,QString)), m_instance, SLOT(fileNameChanged(QString,QString)));
                 d->m_documentsWithoutWatch.append(document);
             }
         }
@@ -303,7 +303,7 @@ void DocumentManager::addDocuments(const QList<IDocument *> &documents, bool add
         if (document && !d->m_documentsWithWatch.contains(document)) {
             connect(document, SIGNAL(changed()), m_instance, SLOT(checkForNewFileName()));
             connect(document, SIGNAL(destroyed(QObject*)), m_instance, SLOT(documentDestroyed(QObject*)));
-            connect(document, SIGNAL(fileNameChanged(QString,QString)), m_instance, SLOT(fileNameChanged(QString, QString)));
+            connect(document, SIGNAL(fileNameChanged(QString,QString)), m_instance, SLOT(fileNameChanged(QString,QString)));
             addFileInfo(document);
         }
     }
diff --git a/src/plugins/debugger/memoryagent.cpp b/src/plugins/debugger/memoryagent.cpp
index 0b55844bae1..022ea2d342b 100644
--- a/src/plugins/debugger/memoryagent.cpp
+++ b/src/plugins/debugger/memoryagent.cpp
@@ -154,8 +154,8 @@ void MemoryAgent::connectBinEditorWidget(QWidget *w)
         SIGNAL(dataChanged(Core::IEditor*,quint64,QByteArray)),
         SLOT(handleDataChanged(Core::IEditor*,quint64,QByteArray)));
     connect(w,
-        SIGNAL(addWatchpointRequested(quint64, uint)),
-        SLOT(handleWatchpointRequest(quint64, uint)));
+        SIGNAL(addWatchpointRequested(quint64,uint)),
+        SLOT(handleWatchpointRequest(quint64,uint)));
 }
 
 bool MemoryAgent::doCreateBinEditor(quint64 addr, unsigned flags,
diff --git a/src/plugins/qnx/blackberryabstractdeploystep.cpp b/src/plugins/qnx/blackberryabstractdeploystep.cpp
index f178c8ceaf2..755a19883eb 100644
--- a/src/plugins/qnx/blackberryabstractdeploystep.cpp
+++ b/src/plugins/qnx/blackberryabstractdeploystep.cpp
@@ -143,7 +143,7 @@ void BlackBerryAbstractDeployStep::runCommands()
     m_process->setEnvironment(m_environment);
     m_process->setWorkingDirectory(m_buildDirectory);
 
-    connect(m_process, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(handleProcessFinished(int, QProcess::ExitStatus)), Qt::DirectConnection);
+    connect(m_process, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(handleProcessFinished(int,QProcess::ExitStatus)), Qt::DirectConnection);
 
     runNextCommand();
 }