diff --git a/.rubocop.yml b/.rubocop.yml
index 6579930..86175c2 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,4 +1,4 @@
-require:
+plugins:
   - rubocop-performance
   - rubocop-rails
   - rubocop-rspec
diff --git a/lib/operations/form/base.rb b/lib/operations/form/base.rb
index 5ae8759..5d3ecd0 100644
--- a/lib/operations/form/base.rb
+++ b/lib/operations/form/base.rb
@@ -89,6 +89,8 @@ def reflect_on_association(...); end
 
   # :nodoc:
   module InstanceMethods
+    delegate :model_name, to: :class
+
     # Copied from globalize-accessors, should be deprecated and removed as it is not a core method
     def localized_attr_name_for(attr_name, locale)
       "#{attr_name}_#{locale.to_s.underscore}"
@@ -138,10 +140,6 @@ def respond_to_missing?(name, *)
         operation_result&.context&.key?(name)
     end
 
-    def model_name
-      self.class.model_name
-    end
-
     def persisted?
       self.class.persisted.nil? ? read_attribute(self.class.primary_key).present? : self.class.persisted
     end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 576cabe..f1817fb 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -2,7 +2,7 @@
 
 require "bundler/setup"
 require "operations"
-require "pp" # rubocop:disable Lint/RedundantRequireStatement
+require "pp"
 require "active_record"
 require "database_cleaner-active_record"
 require "./spec/support/test_helpers"