diff --git a/.rubocop/style.yml b/.rubocop/style.yml
index 03e35a70ac4..b5c37711823 100644
--- a/.rubocop/style.yml
+++ b/.rubocop/style.yml
@@ -12,9 +12,6 @@ Style/FormatStringToken:
     merge:
       - AllowedMethods
 
-Style/HashAsLastArrayItem:
-  Enabled: false
-
 Style/HashSyntax:
   EnforcedShorthandSyntax: either
   EnforcedStyle: ruby19_no_mixed_keys
diff --git a/app/controllers/admin/statuses_controller.rb b/app/controllers/admin/statuses_controller.rb
index e53b22dca32..5847f8c7100 100644
--- a/app/controllers/admin/statuses_controller.rb
+++ b/app/controllers/admin/statuses_controller.rb
@@ -59,7 +59,7 @@ module Admin
     end
 
     def set_statuses
-      @statuses = Admin::StatusFilter.new(@account, filter_params).results.preload(:application, :preloadable_poll, :media_attachments, active_mentions: :account, reblog: [:account, :application, :preloadable_poll, :media_attachments, active_mentions: :account]).page(params[:page]).per(PER_PAGE)
+      @statuses = Admin::StatusFilter.new(@account, filter_params).results.preload(:application, :preloadable_poll, :media_attachments, active_mentions: :account, reblog: [:account, :application, :preloadable_poll, :media_attachments, { active_mentions: :account }]).page(params[:page]).per(PER_PAGE)
     end
 
     def filter_params
diff --git a/app/controllers/api/v1/conversations_controller.rb b/app/controllers/api/v1/conversations_controller.rb
index 60db082a8e7..c91c0cedd2e 100644
--- a/app/controllers/api/v1/conversations_controller.rb
+++ b/app/controllers/api/v1/conversations_controller.rb
@@ -38,15 +38,15 @@ class Api::V1::ConversationsController < Api::BaseController
   def paginated_conversations
     AccountConversation.where(account: current_account)
                        .includes(
-                         account: [:account_stat, user: :role],
+                         account: [:account_stat, { user: :role }],
                          last_status: [
                            :media_attachments,
                            :status_stat,
                            :tags,
                            {
-                             preview_cards_status: { preview_card: { author_account: [:account_stat, user: :role] } },
+                             preview_cards_status: { preview_card: { author_account: [:account_stat, { user: :role }] } },
                              active_mentions: :account,
-                             account: [:account_stat, user: :role],
+                             account: [:account_stat, { user: :role }],
                            },
                          ]
                        )
diff --git a/app/controllers/api/v1/statuses_controller.rb b/app/controllers/api/v1/statuses_controller.rb
index 19cc71ae581..05fa1ecab42 100644
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@@ -169,7 +169,7 @@ class Api::V1::StatusesController < Api::BaseController
         :multiple,
         :hide_totals,
         :expires_in,
-        options: [],
+        { options: [] },
       ]
     )
   end
diff --git a/app/models/concerns/status/threading_concern.rb b/app/models/concerns/status/threading_concern.rb
index 478a139d633..a800409b8cd 100644
--- a/app/models/concerns/status/threading_concern.rb
+++ b/app/models/concerns/status/threading_concern.rb
@@ -48,7 +48,7 @@ module Status::ThreadingConcern
   end
 
   def ancestor_statuses(limit)
-    Status.find_by_sql([<<-SQL.squish, id: in_reply_to_id, limit: limit])
+    Status.find_by_sql([<<-SQL.squish, { id: in_reply_to_id, limit: limit }])
       WITH RECURSIVE search_tree(id, in_reply_to_id, path)
       AS (
         SELECT id, in_reply_to_id, ARRAY[id]
@@ -72,7 +72,7 @@ module Status::ThreadingConcern
     depth += 1 if depth.present?
     limit += 1 if limit.present?
 
-    descendants_with_self = Status.find_by_sql([<<-SQL.squish, id: id, limit: limit, depth: depth])
+    descendants_with_self = Status.find_by_sql([<<-SQL.squish, { id: id, limit: limit, depth: depth }])
       WITH RECURSIVE search_tree(id, path) AS (
         SELECT id, ARRAY[id]
         FROM statuses
diff --git a/app/models/status.rb b/app/models/status.rb
index baa65780055..4b5dc0cc827 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -157,8 +157,8 @@ class Status < ApplicationRecord
                    :status_stat,
                    :tags,
                    :preloadable_poll,
-                   preview_cards_status: { preview_card: { author_account: [:account_stat, user: :role] } },
-                   account: [:account_stat, user: :role],
+                   preview_cards_status: { preview_card: { author_account: [:account_stat, { user: :role }] } },
+                   account: [:account_stat, { user: :role }],
                    active_mentions: :account,
                    reblog: [
                      :application,
@@ -167,9 +167,9 @@ class Status < ApplicationRecord
                      :conversation,
                      :status_stat,
                      :preloadable_poll,
-                     preview_cards_status: { preview_card: { author_account: [:account_stat, user: :role] } },
-                     account: [:account_stat, user: :role],
-                     active_mentions: :account,
+                     { preview_cards_status: { preview_card: { author_account: [:account_stat, { user: :role }] } },
+                       account: [:account_stat, { user: :role }],
+                       active_mentions: :account },
                    ],
                    thread: :account
 
diff --git a/app/services/batched_remove_status_service.rb b/app/services/batched_remove_status_service.rb
index de4ee16e910..76b9f17da23 100644
--- a/app/services/batched_remove_status_service.rb
+++ b/app/services/batched_remove_status_service.rb
@@ -10,7 +10,7 @@ class BatchedRemoveStatusService < BaseService
   def call(statuses, **options)
     ActiveRecord::Associations::Preloader.new(
       records: statuses,
-      associations: options[:skip_side_effects] ? :reblogs : [:account, :tags, reblogs: :account]
+      associations: options[:skip_side_effects] ? :reblogs : [:account, :tags, { reblogs: :account }]
     ).call
 
     statuses_and_reblogs = statuses.flat_map { |status| [status] + status.reblogs }
diff --git a/app/services/notify_service.rb b/app/services/notify_service.rb
index d69b5af1412..efc1dd91fad 100644
--- a/app/services/notify_service.rb
+++ b/app/services/notify_service.rb
@@ -153,7 +153,7 @@ class NotifyService < BaseService
       # This queries private mentions from the recipient to the sender up in the thread.
       # This allows up to 100 messages that do not match in the thread, allowing conversations
       # involving multiple people.
-      Status.count_by_sql([<<-SQL.squish, id: @notification.target_status.in_reply_to_id, recipient_id: @recipient.id, sender_id: @sender.id, depth_limit: 100])
+      Status.count_by_sql([<<-SQL.squish, { id: @notification.target_status.in_reply_to_id, recipient_id: @recipient.id, sender_id: @sender.id, depth_limit: 100 }])
         WITH RECURSIVE ancestors(id, in_reply_to_id, mention_id, path, depth) AS (
             SELECT s.id, s.in_reply_to_id, m.id, ARRAY[s.id], 0
             FROM statuses s