diff --git a/src/plugins/projectexplorer/applicationlauncher.h b/src/plugins/projectexplorer/applicationlauncher.h
index 5b8d6162b18a26a33c9072f06c948607f74516c3..5113cf2608f54a19729f3e47f33990fc3fbc52df 100644
--- a/src/plugins/projectexplorer/applicationlauncher.h
+++ b/src/plugins/projectexplorer/applicationlauncher.h
@@ -78,7 +78,7 @@ private slots:
     void processStopped();
     void appendProcessMessage(const QString &output, bool onStdErr);
 #ifdef Q_OS_WIN
-    void readWinDebugOutput(const QString &output, bool onStdErr);
+    void readWinDebugOutput(const QString &output);
     void processFinished(int exitCode);
 #else
     void guiProcessError();
diff --git a/src/plugins/projectexplorer/applicationlauncher_win.cpp b/src/plugins/projectexplorer/applicationlauncher_win.cpp
index 489f08d7ed5d94efa5517be20be630bace95086c..fac9abba095290361260c7b3c9b19cd795e897b5 100644
--- a/src/plugins/projectexplorer/applicationlauncher_win.cpp
+++ b/src/plugins/projectexplorer/applicationlauncher_win.cpp
@@ -58,8 +58,8 @@ ApplicationLauncher::ApplicationLauncher(QObject *parent)
 
     connect(&d->m_winGuiProcess, SIGNAL(processMessage(QString, bool)),
         this, SLOT(appendProcessMessage(QString,bool)));
-    connect(&d->m_winGuiProcess, SIGNAL(receivedDebugOutput(QString, bool)),
-        this, SLOT(readWinDebugOutput(QString, bool)));
+    connect(&d->m_winGuiProcess, SIGNAL(receivedDebugOutput(QString)),
+        this, SLOT(readWinDebugOutput(QString)));
     connect(&d->m_winGuiProcess, SIGNAL(processFinished(int)),
             this, SLOT(processFinished(int)));
 }
@@ -132,10 +132,9 @@ void ApplicationLauncher::appendProcessMessage(const QString &output, bool onStd
     emit appendMessage(output, onStdErr ? Utils::ErrorMessageFormat : Utils::NormalMessageFormat);
 }
 
-void ApplicationLauncher::readWinDebugOutput(const QString &output,
-                                             bool onStdErr)
+void ApplicationLauncher::readWinDebugOutput(const QString &output)
 {
-    emit appendMessage(output, onStdErr ? Utils::StdErrFormat : Utils::StdOutFormat);
+    emit appendMessage(output, Utils::StdErrFormat);
 }
 
 void ApplicationLauncher::processStopped()
diff --git a/src/plugins/projectexplorer/winguiprocess.cpp b/src/plugins/projectexplorer/winguiprocess.cpp
index ed762a6be44c7c9423e4fa1bbf1e9fc768e51e51..0d83d10be9835ec4fca770b8cbdc7479f64fe6a9 100644
--- a/src/plugins/projectexplorer/winguiprocess.cpp
+++ b/src/plugins/projectexplorer/winguiprocess.cpp
@@ -151,7 +151,7 @@ void WinGuiProcess::run()
 void WinGuiProcess::checkDebugOutput(qint64 pid, const QString &message)
 {
     if (applicationPID() == pid)
-        emit receivedDebugOutput(message, false);
+        emit receivedDebugOutput(message);
 }
 
 void WinGuiProcess::done()
diff --git a/src/plugins/projectexplorer/winguiprocess.h b/src/plugins/projectexplorer/winguiprocess.h
index f8f9766ef90fbfcc116eb539304d4481aa54f940..95b4c0d17def30db87c804276d8e7b24de97f1de 100644
--- a/src/plugins/projectexplorer/winguiprocess.h
+++ b/src/plugins/projectexplorer/winguiprocess.h
@@ -63,7 +63,7 @@ public:
 
 signals:
     void processMessage(const QString &error, bool isError);
-    void receivedDebugOutput(const QString &output, bool isError);
+    void receivedDebugOutput(const QString &output);
     void processFinished(int exitCode);
 
 private slots: