diff --git a/src/widgets/itemviews/qabstractitemview.cpp b/src/widgets/itemviews/qabstractitemview.cpp
index 057718cdba..f31f2f5256 100644
--- a/src/widgets/itemviews/qabstractitemview.cpp
+++ b/src/widgets/itemviews/qabstractitemview.cpp
@@ -4275,6 +4275,11 @@ const QEditorInfo & QAbstractItemViewPrivate::editorForIndex(const QModelIndex &
     return it.value();
 }
 
+bool QAbstractItemViewPrivate::hasEditor(const QModelIndex &index) const
+{
+    return indexEditorHash.find(index) != indexEditorHash.constEnd();
+}
+
 QModelIndex QAbstractItemViewPrivate::indexForEditor(QWidget *editor) const
 {
     // do not try to search to avoid slow implicit cast from QModelIndex to QPersistentModelIndex
diff --git a/src/widgets/itemviews/qabstractitemview_p.h b/src/widgets/itemviews/qabstractitemview_p.h
index bb88b25652..8b0b08fd94 100644
--- a/src/widgets/itemviews/qabstractitemview_p.h
+++ b/src/widgets/itemviews/qabstractitemview_p.h
@@ -264,9 +264,7 @@ public:
     }
 
     const QEditorInfo &editorForIndex(const QModelIndex &index) const;
-    inline bool hasEditor(const QModelIndex &index) const {
-        return indexEditorHash.find(index) != indexEditorHash.constEnd();
-    }
+    bool hasEditor(const QModelIndex &index) const;
 
     QModelIndex indexForEditor(QWidget *editor) const;
     void addEditor(const QModelIndex &index, QWidget *editor, bool isStatic);