diff --git a/lib/spree/core/permalinks.rb b/lib/spree/core/permalinks.rb
index 70092ef6b7..b4963df801 100644
--- a/lib/spree/core/permalinks.rb
+++ b/lib/spree/core/permalinks.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require 'stringex'
-
 module Spree
   module Core
     module Permalinks