diff --git a/config/puma.rb b/config/puma.rb
index 1e1c1a0..565ca4c 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -3,7 +3,6 @@ threads Integer(ENV["MIN_THREADS"]  || 1), Integer(ENV["MAX_THREADS"] || 16)
 
 preload_app!
 
-rackup      DefaultRackup
 port        ENV["PORT"]     || 3000
 environment ENV["RACK_ENV"] || "development"