diff --git a/lib/ransack/constants.rb b/lib/ransack/constants.rb
index 692d17b3c..14bea01fb 100644
--- a/lib/ransack/constants.rb
+++ b/lib/ransack/constants.rb
@@ -9,7 +9,6 @@ module Constants
     SORT                = 'sort'.freeze
     SORT_LINK           = 'sort_link'.freeze
     SEARCH              = 'search'.freeze
-    DEFAULT_SEARCH_KEY  = 'q'.freeze
     ATTRIBUTE           = 'attribute'.freeze
     COMBINATOR          = 'combinator'.freeze
     SPACE               = ' '.freeze