diff --git a/kdevplatform/shell/textdocument.h b/kdevplatform/shell/textdocument.h
--- a/kdevplatform/shell/textdocument.h
+++ b/kdevplatform/shell/textdocument.h
@@ -50,7 +50,6 @@
 
     QWidget *createViewWidget(QWidget *parent = nullptr) override;
     KParts::Part *partForView(QWidget *view) const override;
-    bool close(DocumentSaveMode mode = Default) override;
 
     bool save(DocumentSaveMode mode = Default) override;
     DocumentState state() const override;
diff --git a/kdevplatform/shell/textdocument.cpp b/kdevplatform/shell/textdocument.cpp
--- a/kdevplatform/shell/textdocument.cpp
+++ b/kdevplatform/shell/textdocument.cpp
@@ -543,19 +543,6 @@
     }
 }
 
-bool TextDocument::close(DocumentSaveMode mode)
-{
-    if (!PartDocument::close(mode))
-        return false;
-
-    if ( d->document ) {
-        d->saveSessionConfig();
-        delete d->document; //We have to delete the document right now, to prevent random crashes in the event handler
-    }
-
-    return true;
-}
-
 Sublime::View* TextDocument::newView(Sublime::Document* doc)
 {
     Q_UNUSED(doc);