diff --git a/spec/models/blank_contract_spec.rb b/spec/models/blank_contract_spec.rb
index d3c2d20..9b7e421 100644
--- a/spec/models/blank_contract_spec.rb
+++ b/spec/models/blank_contract_spec.rb
@@ -42,7 +42,6 @@ describe BlankContract do
       material_release = create(:material_release_with_contract_template, project: project, person_name: 'Jane Doe')
       result = render_contract_html_for(material_release)
 
-      expect(result).to include 'serial-number'
       expect(result).to include 'DO NOT COPY'
     end
   end