diff --git a/app_caches.py b/app_caches.py
index b991a98..cd6859d 100755
--- a/app_caches.py
+++ b/app_caches.py
@@ -17,8 +17,11 @@ from appslib.utils import (
 from git import Repo
 
 
+APPS_CACHE_DIR = REPO_APPS_ROOT / ".apps_cache"
+
+
 def app_cache_folder(app: str) -> Path:
-    return REPO_APPS_ROOT / ".apps_cache" / app
+    return APPS_CACHE_DIR / app
 
 
 def app_cache_clone(app: str, infos: dict[str, str]) -> None:
@@ -84,14 +87,28 @@ def apps_cache_update_all(apps: dict[str, dict[str, Any]], parallel: int = 8) ->
             pass
 
 
+def apps_cache_cleanup(apps: dict[str, dict[str, Any]]) -> None:
+    for element in APPS_CACHE_DIR.iterdir():
+        if element.name not in apps.keys():
+            logging.warning(f"Removing {element}...")
+            if element.is_dir():
+                shutil.rmtree(element)
+            else:
+                element.unlink()
+
+
 def __run_for_catalog():
     parser = argparse.ArgumentParser()
     parser.add_argument("-v", "--verbose", action="store_true")
     parser.add_argument("-j", "--processes", type=int, default=8)
+    parser.add_argument("-c", "--cleanup", action="store_true", default=False,
+                        help="Remove unknown directories from the app cache")
     args = parser.parse_args()
     if args.verbose:
         logging.getLogger().setLevel(logging.INFO)
 
+    if args.cleanup:
+        apps_cache_cleanup(get_catalog())
     apps_cache_update_all(get_catalog(), parallel=args.processes)