diff --git a/src/plugins/qt4projectmanager/qt4projectconfigwidget.h b/src/plugins/qt4projectmanager/qt4projectconfigwidget.h
index 5c2480805dc792454ce356c4c9d876ca3791547c..df867fbfa1b2c9eadb71301408fa0ec3af087752 100644
--- a/src/plugins/qt4projectmanager/qt4projectconfigwidget.h
+++ b/src/plugins/qt4projectmanager/qt4projectconfigwidget.h
@@ -63,7 +63,6 @@ private slots:
     void qtVersionComboBoxCurrentIndexChanged(const QString &);
     void manageQtVersions();
     void selectToolChain(int index);
-    void toggleDetails();
 
 private:
     void updateToolChainCombo();