diff --git a/src/plugins/projectexplorer/session.cpp b/src/plugins/projectexplorer/session.cpp
index dee8fc5920e..dbd24446922 100644
--- a/src/plugins/projectexplorer/session.cpp
+++ b/src/plugins/projectexplorer/session.cpp
@@ -923,7 +923,6 @@ void SessionManager::updateName(const QString &session)
     if (sessionName.isEmpty())
         sessionName = tr("Untitled");
 
-    m_displayName = tr("Session (\'%1\')").arg(sessionName);
     updateWindowTitle();
 }
 
diff --git a/src/plugins/projectexplorer/session.h b/src/plugins/projectexplorer/session.h
index 14b762b2645..89d10e675ec 100644
--- a/src/plugins/projectexplorer/session.h
+++ b/src/plugins/projectexplorer/session.h
@@ -193,7 +193,6 @@ private:
     Internal::SessionFile *m_file;
     Internal::SessionNodeImpl *m_sessionNode;
     QPointer<Core::IEditor> m_currentEditor;
-    QString m_displayName;
     QString m_sessionName;
     bool m_virginSession;