diff --git a/src/libtomahawk/Playlist.cpp b/src/libtomahawk/Playlist.cpp
index a90834132..3e21c36b5 100644
--- a/src/libtomahawk/Playlist.cpp
+++ b/src/libtomahawk/Playlist.cpp
@@ -318,7 +318,7 @@ Playlist::hasCustomDeleter() const
 {
     foreach ( PlaylistUpdaterInterface* updater, m_updaters )
     {
-        if ( !updater->deleteQuestions().isEmpty() )
+        if ( updater->hasCustomDeleter() )
             return true;
     }
 
@@ -341,7 +341,6 @@ Playlist::customDelete( const QPoint& leftCenter )
         questions.append( updater->deleteQuestions() );
     }
 
-    Q_ASSERT( !questions.isEmpty() );
     SourceTreePopupDialog* dialog = new SourceTreePopupDialog;
     NewClosure( dialog, SIGNAL( result( bool ) ), this, SLOT( onDeleteResult( SourceTreePopupDialog* ) ), dialog );
 
diff --git a/src/libtomahawk/accounts/spotify/SpotifyPlaylistUpdater.h b/src/libtomahawk/accounts/spotify/SpotifyPlaylistUpdater.h
index d72c17248..133ab1274 100644
--- a/src/libtomahawk/accounts/spotify/SpotifyPlaylistUpdater.h
+++ b/src/libtomahawk/accounts/spotify/SpotifyPlaylistUpdater.h
@@ -64,6 +64,7 @@ public:
     void setCanSubscribe( bool canSub );
     QString spotifyId() const { return m_spotifyId; }
 
+    virtual bool hasCustomDeleter() const { return true; }
     virtual Tomahawk::PlaylistDeleteQuestions deleteQuestions() const;
     virtual void setQuestionResults( const QMap< int, bool > results );
 
diff --git a/src/libtomahawk/playlist/PlaylistUpdaterInterface.h b/src/libtomahawk/playlist/PlaylistUpdaterInterface.h
index 61885dd6d..92e46e235 100644
--- a/src/libtomahawk/playlist/PlaylistUpdaterInterface.h
+++ b/src/libtomahawk/playlist/PlaylistUpdaterInterface.h
@@ -87,6 +87,7 @@ public:
 
     // The int data value associated with each question must be unique across *all* playlist updaters,
     // as setQuestionResults is called with all questions from all updaters.
+    virtual bool hasCustomDeleter() const { return false; }
     virtual PlaylistDeleteQuestions deleteQuestions() const { return PlaylistDeleteQuestions(); }
     virtual void setQuestionResults( const QMap< int, bool > results ) {}