diff --git a/src/plugins/classview/classviewparsertreeitem.cpp b/src/plugins/classview/classviewparsertreeitem.cpp
index bce502262e9..65b1e2214c0 100644
--- a/src/plugins/classview/classviewparsertreeitem.cpp
+++ b/src/plugins/classview/classviewparsertreeitem.cpp
@@ -82,14 +82,6 @@ ParserTreeItem::~ParserTreeItem()
     delete d;
 }
 
-ParserTreeItem &ParserTreeItem::operator=(const ParserTreeItem &other)
-{
-    d->symbolLocations = other.d->symbolLocations;
-    d->icon = other.d->icon;
-    d->symbolInformations.clear();
-    return *this;
-}
-
 /*!
     Copies a parser tree item from the location specified by \a from to this
     item.
diff --git a/src/plugins/classview/classviewparsertreeitem.h b/src/plugins/classview/classviewparsertreeitem.h
index 15a12c5f80a..028e81b2597 100644
--- a/src/plugins/classview/classviewparsertreeitem.h
+++ b/src/plugins/classview/classviewparsertreeitem.h
@@ -79,9 +79,6 @@ public:
 
     void debugDump(int ident = 0) const;
 
-protected:
-    ParserTreeItem &operator=(const ParserTreeItem &other);
-
 private:
     using CitSymbolInformations = QHash<SymbolInformation, ParserTreeItem::Ptr>::const_iterator;
     //! Private class data pointer