diff --git a/src/plugins/cppeditor/cppcodemodelsettings.h b/src/plugins/cppeditor/cppcodemodelsettings.h
index 2343ca0efe3..fbca534c384 100644
--- a/src/plugins/cppeditor/cppcodemodelsettings.h
+++ b/src/plugins/cppeditor/cppcodemodelsettings.h
@@ -65,7 +65,6 @@ public:
     void setIgnorePattern(const QString& ignorePattern);
 
 signals:
-    void clangDiagnosticConfigsInvalidated(const QVector<Utils::Id> &configId);
     void changed();
 
 private: