diff --git a/lib/geocoder/lookups/esri.rb b/lib/geocoder/lookups/esri.rb
index bb003eec307c6ba6647ffc694a7840fc531a1f1a..cfd37a8aa0bf62cb27b2febcb06eb23be023ad18 100644
--- a/lib/geocoder/lookups/esri.rb
+++ b/lib/geocoder/lookups/esri.rb
@@ -1,6 +1,5 @@
 require 'geocoder/lookups/base'
 require "geocoder/results/esri"
-require 'rack/utils'
 
 module Geocoder::Lookup
   class Esri < Base