diff --git a/src/corelib/itemmodels/qrangemodel.cpp b/src/corelib/itemmodels/qrangemodel.cpp
index 8ee4e9f1a18..cdedc85bf39 100644
--- a/src/corelib/itemmodels/qrangemodel.cpp
+++ b/src/corelib/itemmodels/qrangemodel.cpp
@@ -1084,6 +1084,11 @@ void QRangeModel::setRoleNames(const QHash<int, QByteArray> &names)
     Q_EMIT roleNamesChanged();
 }
 
+void QRangeModel::resetRoleNames()
+{
+    setRoleNames({});
+}
+
 /*!
     \reimp
 */
diff --git a/src/corelib/itemmodels/qrangemodel.h b/src/corelib/itemmodels/qrangemodel.h
index 4ceeeeb0fa1..376aff9166d 100644
--- a/src/corelib/itemmodels/qrangemodel.h
+++ b/src/corelib/itemmodels/qrangemodel.h
@@ -76,7 +76,7 @@ public:
 
     QHash<int, QByteArray> roleNames() const override;
     void setRoleNames(const QHash<int, QByteArray> &names);
-    void resetRoleNames() { setRoleNames({}); }
+    void resetRoleNames();
 
     bool canFetchMore(const QModelIndex &parent) const override;
     void fetchMore(const QModelIndex &parent) override;