diff --git a/dynette.rb b/dynette.rb
index 1167e85..55c4e77 100755
--- a/dynette.rb
+++ b/dynette.rb
@@ -235,10 +235,6 @@ put '/migrate_key_to_sha512/' do
     # let's try flusing here, hope that could help ... (this design is so awful)
     `/usr/sbin/rndc flush`
 
-    # assume that the dynette.cron.py runs every minute like on prod and add a
-    # bit of security margin. I hate that.
-    sleep(180)
-
     halt 201, { :public_key => entry.public_key, :subdomain => entry.subdomain, :current_ip => entry.current_ip }.to_json
 end