diff --git a/app.py b/app.py
index e87e25f..08c9738 100755
--- a/app.py
+++ b/app.py
@@ -1878,18 +1878,15 @@ def delete_file(site, screen, filename):
     if screen == "priority":
         path = os.path.join(priority_dir(site), filename)
         playlist = get_priority_config(cfg, site).get("playlist", [])
-        playlist[:] = [item for item in playlist if not (
-            (isinstance(item, str) and item == filename) or
-            (isinstance(item, dict) and item.get("url") == filename)
-        )]
     else:
         path = os.path.join(MEDIA_DIR, site, screen, filename)
         screens_cfg = cfg.get("sites", {}).get(site, {}).get("screens", {})
         playlist = screens_cfg.get(screen, {}).get("playlist", [])
-        playlist[:] = [item for item in playlist if not (
-            (isinstance(item, str) and item == filename) or
-            (isinstance(item, dict) and item.get("url") == filename)
-        )]
+
+    # Ueber playlist_item_name vergleichen: Datei-Eintraege stehen als
+    # {"name": ...}, URLs als {"url": ...}, Altbestand als reiner String.
+    playlist[:] = [item for item in playlist
+                   if playlist_item_name(item) != filename]
 
     if os.path.exists(path):
         os.remove(path)