diff --git a/scripts/lib/clean-emoji-cache b/scripts/lib/clean-emoji-cache
index 23b213478b..35f8bff97e 100755
--- a/scripts/lib/clean-emoji-cache
+++ b/scripts/lib/clean-emoji-cache
@@ -51,7 +51,7 @@ def main():
     args = parse_args()
     caches_in_use = get_caches_in_use(args.threshold_days)
     purge_unused_caches(
-        EMOJI_CACHE_PATH, caches_in_use, args.threshold_days, args.dry_run, "emoji cache")
+        EMOJI_CACHE_PATH, caches_in_use, args, "emoji cache")
 
 if __name__ == "__main__":
     main()
diff --git a/scripts/lib/clean-npm-cache b/scripts/lib/clean-npm-cache
index d4f830022f..aa7da2c697 100755
--- a/scripts/lib/clean-npm-cache
+++ b/scripts/lib/clean-npm-cache
@@ -61,8 +61,7 @@ def main():
     args = parse_args()
     caches_in_use = get_caches_in_use(args.threshold_days)
     purge_unused_caches(
-        NODE_MODULES_CACHE_PATH, caches_in_use, args.threshold_days,
-        args.dry_run, "node modules cache")
+        NODE_MODULES_CACHE_PATH, caches_in_use, args, "node modules cache")
 
 if __name__ == "__main__":
     main()
diff --git a/scripts/lib/clean-venv-cache b/scripts/lib/clean-venv-cache
index 4d086b2d5e..46ad579040 100755
--- a/scripts/lib/clean-venv-cache
+++ b/scripts/lib/clean-venv-cache
@@ -51,7 +51,7 @@ def main():
     args = parse_args()
     caches_in_use = get_caches_in_use(args.threshold_days)
     purge_unused_caches(
-        VENV_CACHE_DIR, caches_in_use, args.threshold_days, args.dry_run, "venv cache")
+        VENV_CACHE_DIR, caches_in_use, args, "venv cache")
 
 if __name__ == "__main__":
     main()
diff --git a/scripts/lib/zulip_tools.py b/scripts/lib/zulip_tools.py
index 5942ad4816..4ab3cdb86d 100755
--- a/scripts/lib/zulip_tools.py
+++ b/scripts/lib/zulip_tools.py
@@ -221,13 +221,13 @@ def get_caches_to_be_purged(caches_dir, caches_in_use, threshold_days):
             caches_to_purge.add(cache_dir)
     return caches_to_purge
 
-def purge_unused_caches(caches_dir, caches_in_use, threshold_days, dry_run, cache_type):
-    # type: (Text, Set[Text], int, bool, Text) -> None
+def purge_unused_caches(caches_dir, caches_in_use, args, cache_type):
+    # type: (Text, Set[Text], argparse.Namespace, Text) -> None
     all_caches = set([os.path.join(caches_dir, cache) for cache in os.listdir(caches_dir)])
-    caches_to_purge = get_caches_to_be_purged(caches_dir, caches_in_use, threshold_days)
+    caches_to_purge = get_caches_to_be_purged(caches_dir, caches_in_use, args.threshold_days)
     caches_to_keep = all_caches - caches_to_purge
 
-    may_be_perform_purging(caches_to_purge, caches_to_keep, cache_type, dry_run)
+    may_be_perform_purging(caches_to_purge, caches_to_keep, cache_type, args.dry_run)
     print("Done!\n")
 
 def generate_sha1sum_emoji(zulip_path):