diff --git a/app/models/spree/adjustment.rb b/app/models/spree/adjustment.rb
index d19f7bb30e..8312229736 100644
--- a/app/models/spree/adjustment.rb
+++ b/app/models/spree/adjustment.rb
@@ -127,10 +127,6 @@ module Spree
       state != "open"
     end
 
-    def display_included_tax
-      Spree::Money.new(included_tax, currency: currency)
-    end
-
     def has_tax?
       tax_total.positive?
     end