diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index a4127a5a8..262f50366 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -532,7 +532,6 @@ Performance/RedundantBlockCall:
     - 'app/controllers/application_controller.rb'
     - 'lib/redmine/views/builders/structure.rb'
     - 'test/functional/repositories_git_controller_test.rb'
-    - 'test/unit/lib/redmine/views/builders/json_test.rb'
 
 # Cop supports --auto-correct.
 Performance/RedundantMatch:
diff --git a/test/unit/lib/redmine/views/builders/json_test.rb b/test/unit/lib/redmine/views/builders/json_test.rb
index b2be89bfc..ebab54e13 100644
--- a/test/unit/lib/redmine/views/builders/json_test.rb
+++ b/test/unit/lib/redmine/views/builders/json_test.rb
@@ -110,7 +110,7 @@ class Redmine::Views::Builders::JsonTest < ActiveSupport::TestCase
 
   def assert_json_output(expected, &block)
     builder = Redmine::Views::Builders::Json.new(ActionDispatch::TestRequest.create, ActionDispatch::TestResponse.create)
-    block.call(builder)
+    yield(builder)
     assert_equal(expected, ActiveSupport::JSON.decode(builder.output))
   end
 end