diff --git a/src/plugins/cppeditor/cppcodestylesettings.cpp b/src/plugins/cppeditor/cppcodestylesettings.cpp
index 7a6d47d1b25..f5cc2fda8c8 100644
--- a/src/plugins/cppeditor/cppcodestylesettings.cpp
+++ b/src/plugins/cppeditor/cppcodestylesettings.cpp
@@ -69,17 +69,6 @@ namespace CppEditor {
 
 CppCodeStyleSettings::CppCodeStyleSettings() = default;
 
-void CppCodeStyleSettings::toSettings(const QString &category, QSettings *s) const
-{
-    Utils::toSettings(QLatin1String(groupPostfix), category, s, this);
-}
-
-void CppCodeStyleSettings::fromSettings(const QString &category, QSettings *s)
-{
-    *this = CppCodeStyleSettings(); // Assign defaults
-    Utils::fromSettings(QLatin1String(groupPostfix), category, s, this);
-}
-
 QVariantMap CppCodeStyleSettings::toMap() const
 {
     return {
diff --git a/src/plugins/cppeditor/cppcodestylesettings.h b/src/plugins/cppeditor/cppcodestylesettings.h
index fdd34e9bc0f..bd9496b929a 100644
--- a/src/plugins/cppeditor/cppcodestylesettings.h
+++ b/src/plugins/cppeditor/cppcodestylesettings.h
@@ -31,10 +31,6 @@
 
 #include <QVariantMap>
 
-QT_BEGIN_NAMESPACE
-class QSettings;
-QT_END_NAMESPACE
-
 namespace CPlusPlus { class Overview; }
 namespace TextEditor { class TabSettings; }
 namespace ProjectExplorer { class Project; }
@@ -88,9 +84,6 @@ public:
     // CppEditor/QuickFixSetting. Remove in 4.16
     bool preferGetterNameWithoutGetPrefix = true;
 
-    void toSettings(const QString &category, QSettings *s) const;
-    void fromSettings(const QString &category, QSettings *s);
-
     QVariantMap toMap() const;
     void fromMap(const QVariantMap &map);