diff --git a/kill.py b/kill.py
index 8ae2369..46db45e 100755
--- a/kill.py
+++ b/kill.py
@@ -1,3 +1,21 @@
 #!/usr/bin/env python2
 
-return 1
+from datetime import datetime, timedelta
+from json import loads
+import sys
+
+if len(sys.argv) < 2:
+    raise Exception("Need an amount of keep-days of which to save your comments.")
+
+days = int(sys.argv[1])
+
+before_time = datetime.now() - timedelta(days=days)
+
+f = open('data.json', 'r')
+data = loads(f.read())
+f.close()
+
+for d in data:
+    date = datetime.fromtimestamp(d['date'])
+    if date < before_time:
+        delete_post(d['id'])