diff --git a/tools/clean-emoji-cache b/tools/clean-emoji-cache
new file mode 100755
index 0000000000..be473cc3ea
--- /dev/null
+++ b/tools/clean-emoji-cache
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+from __future__ import absolute_import
+from __future__ import print_function
+import os
+import subprocess
+import sys
+
+ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+EMOJI_CACHE_SYMLINK = os.path.join(ZULIP_PATH, 'static', 'generated', 'emoji')
+EMOJI_CACHE_PATH = "/srv/zulip-emoji-cache"
+if "--travis" in sys.argv:
+    EMOJI_CACHE_PATH = os.path.join(os.environ["HOME"], "zulip-emoji-cache")
+
+curr_emoji_cache_dir = os.path.dirname(os.path.realpath(EMOJI_CACHE_SYMLINK))
+
+for cache_dir_base in os.listdir(EMOJI_CACHE_PATH):
+    emoji_cache_dir = os.path.join(EMOJI_CACHE_PATH, cache_dir_base)
+    if emoji_cache_dir not in curr_emoji_cache_dir:
+        print("Cleaning unused emoji cache dir %s" % (emoji_cache_dir,))
+        subprocess.check_call(["sudo", "rm", "-rf", emoji_cache_dir])
+    else:
+        print("Keeping used emoji cache dir %s" % (emoji_cache_dir,))