Remove deprecated `AbstractController::Base::parent_prefixes`

1 files changed, 3 insertions, 19 deletions

diff --git a/actionview/lib/action_view/view_paths.rb b/actionview/lib/action_view/view_paths.rb
index 2e203a7590..492f67f45d 100644
--- a/actionview/lib/action_view/view_paths.rb
+++ b/actionview/lib/action_view/view_paths.rb
@@ -16,14 +16,9 @@ module ActionView
     module ClassMethods
       def _prefixes # :nodoc:
         @_prefixes ||= begin
-          deprecated_prefixes = handle_deprecated_parent_prefixes
-          if deprecated_prefixes
-            deprecated_prefixes
-          else
-            return local_prefixes if superclass.abstract?
-
-            local_prefixes + superclass._prefixes
-          end
+          return local_prefixes if superclass.abstract?
+
+          local_prefixes + superclass._prefixes
         end
       end
 
@@ -34,17 +29,6 @@ module ActionView
       def local_prefixes
         [controller_path]
       end
-
-      def handle_deprecated_parent_prefixes # TODO: remove in 4.3/5.0.
-        return unless respond_to?(:parent_prefixes)
-
-        ActiveSupport::Deprecation.warn(<<-MSG.squish)
-          Overriding `ActionController::Base::parent_prefixes` is deprecated,
-          override `.local_prefixes` instead.
-        MSG
-
-        local_prefixes + parent_prefixes
-      end
     end
 
     # The prefixes used in render "foo" shortcuts.