diff --git a/src/plugins/classview/classviewmanager.cpp b/src/plugins/classview/classviewmanager.cpp
index bf9ed8f58fd..a1cf4053751 100644
--- a/src/plugins/classview/classviewmanager.cpp
+++ b/src/plugins/classview/classviewmanager.cpp
@@ -199,7 +199,14 @@ void Manager::initialize()
 
     // translate data update from the parser to listeners
     connect(&d->parser, &Parser::treeDataUpdate,
-            this, &Manager::onTreeDataUpdate, Qt::QueuedConnection);
+            this, [this](QSharedPointer<QStandardItem> result) {
+        // do nothing if Manager is disabled
+        if (!state())
+            return;
+
+        emit treeDataUpdate(result);
+
+    }, Qt::QueuedConnection);
 
     // connect to the cpp model manager for signals about document updates
     CppTools::CppModelManager *codeModelManager = CppTools::CppModelManager::instance();
@@ -352,19 +359,5 @@ void Manager::setFlatMode(bool flat)
     }, Qt::QueuedConnection);
 }
 
-/*!
-    Sends a new tree data update to a tree view. \a result holds the item with
-    the current tree.
-*/
-
-void Manager::onTreeDataUpdate(QSharedPointer<QStandardItem> result)
-{
-    // do nothing if Manager is disabled
-    if (!state())
-        return;
-
-    emit treeDataUpdate(result);
-}
-
 } // namespace Internal
 } // namespace ClassView
diff --git a/src/plugins/classview/classviewmanager.h b/src/plugins/classview/classviewmanager.h
index 2b0513e5738..af6d60ef045 100644
--- a/src/plugins/classview/classviewmanager.h
+++ b/src/plugins/classview/classviewmanager.h
@@ -60,7 +60,6 @@ signals:
 
 private:
     void onProjectListChanged();
-    void onTreeDataUpdate(QSharedPointer<QStandardItem> result);
     void resetParser();
 
     void initialize();
diff --git a/src/plugins/classview/classviewparsertreeitem.cpp b/src/plugins/classview/classviewparsertreeitem.cpp
index 102abf23815..bce502262e9 100644
--- a/src/plugins/classview/classviewparsertreeitem.cpp
+++ b/src/plugins/classview/classviewparsertreeitem.cpp
@@ -146,36 +146,6 @@ void ParserTreeItem::addSymbolLocation(const SymbolLocation &location)
     d->symbolLocations.insert(location);
 }
 
-/*!
-    Adds information about symbol locations from \a locations.
-    \sa SymbolLocation, removeSymbolLocation, symbolLocations
-*/
-
-void ParserTreeItem::addSymbolLocation(const QSet<SymbolLocation> &locations)
-{
-    d->symbolLocations.unite(locations);
-}
-
-/*!
-    Removes information about \a location.
-    \sa SymbolLocation, addSymbolLocation, symbolLocations
-*/
-
-void ParserTreeItem::removeSymbolLocation(const SymbolLocation &location)
-{
-    d->symbolLocations.remove(location);
-}
-
-/*!
-    Removes information about \a locations.
-    \sa SymbolLocation, addSymbolLocation, symbolLocations
-*/
-
-void ParserTreeItem::removeSymbolLocations(const QSet<SymbolLocation> &locations)
-{
-    d->symbolLocations.subtract(locations);
-}
-
 /*!
     Gets information about symbol positions.
     \sa SymbolLocation, addSymbolLocation, removeSymbolLocation
@@ -199,15 +169,6 @@ void ParserTreeItem::appendChild(const ParserTreeItem::Ptr &item, const SymbolIn
     d->symbolInformations[inf] = item;
 }
 
-/*!
-    Removes the \a inf symbol information.
-*/
-
-void ParserTreeItem::removeChild(const SymbolInformation &inf)
-{
-    d->symbolInformations.remove(inf);
-}
-
 /*!
     Returns the child item specified by \a inf symbol information.
 */
diff --git a/src/plugins/classview/classviewparsertreeitem.h b/src/plugins/classview/classviewparsertreeitem.h
index d3ca68007ef..15a12c5f80a 100644
--- a/src/plugins/classview/classviewparsertreeitem.h
+++ b/src/plugins/classview/classviewparsertreeitem.h
@@ -54,18 +54,10 @@ public:
 
     void addSymbolLocation(const SymbolLocation &location);
 
-    void addSymbolLocation(const QSet<SymbolLocation> &locations);
-
-    void removeSymbolLocation(const SymbolLocation &location);
-
-    void removeSymbolLocations(const QSet<SymbolLocation> &locations);
-
     QSet<SymbolLocation> symbolLocations() const;
 
     void appendChild(const ParserTreeItem::Ptr &item, const SymbolInformation &inf);
 
-    void removeChild(const SymbolInformation &inf);
-
     ParserTreeItem::Ptr child(const SymbolInformation &inf) const;
 
     int childCount() const;