diff --git a/app/controllers/admin/domain_blocks_controller.rb b/app/controllers/admin/domain_blocks_controller.rb
index deda7a72859db5..2a2faf9cceebde 100644
--- a/app/controllers/admin/domain_blocks_controller.rb
+++ b/app/controllers/admin/domain_blocks_controller.rb
@@ -88,17 +88,17 @@ def set_domain_block
     end
 
     def update_params
-      params.require(:domain_block).permit(:severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_sensitive, :reject_hashtag,
+      params.require(:domain_block).permit(:severity, :reject_media, :reject_favourite, :reject_reply_exclude_followers, :reject_send_sensitive, :reject_hashtag,
                                            :reject_straight_follow, :reject_new_follow, :reject_friend, :block_trends, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden)
     end
 
     def resource_params
-      params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_sensitive, :reject_hashtag,
+      params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_favourite, :reject_reply_exclude_followers, :reject_send_sensitive, :reject_hashtag,
                                            :reject_straight_follow, :reject_new_follow, :reject_friend, :block_trends, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden)
     end
 
     def form_domain_block_batch_params
-      params.require(:form_domain_block_batch).permit(domain_blocks_attributes: [:enabled, :domain, :severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers,
+      params.require(:form_domain_block_batch).permit(domain_blocks_attributes: [:enabled, :domain, :severity, :reject_media, :reject_favourite, :reject_reply_exclude_followers,
                                                                                  :reject_send_sensitive, :reject_hashtag, :reject_straight_follow, :reject_new_follow, :reject_friend, :block_trends, :detect_invalid_subscription,
                                                                                  :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden])
     end
diff --git a/app/controllers/admin/export_domain_blocks_controller.rb b/app/controllers/admin/export_domain_blocks_controller.rb
index 205b2c032f1c6b..8d7350c765ad33 100644
--- a/app/controllers/admin/export_domain_blocks_controller.rb
+++ b/app/controllers/admin/export_domain_blocks_controller.rb
@@ -38,7 +38,6 @@ def import
                                        public_comment: row['#public_comment'],
                                        obfuscate: row.fetch('#obfuscate', false),
                                        reject_favourite: row.fetch('#reject_favourite', false),
-                                       reject_reply: row.fetch('#reject_reply', false),
                                        reject_send_sensitive: row.fetch('#reject_send_sensitive', false),
                                        reject_hashtag: row.fetch('#reject_hashtag', false),
                                        reject_straight_follow: row.fetch('#reject_straight_follow', false),
@@ -86,7 +85,6 @@ def export_headers
         #public_comment
         #obfuscate
         #reject_favourite
-        #reject_reply
         #reject_send_sensitive
         #reject_hashtag
         #reject_straight_follow
@@ -110,7 +108,6 @@ def export_data
             instance.public_comment,
             instance.obfuscate,
             instance.reject_favourite,
-            instance.reject_reply,
             instance.reject_send_sensitive,
             instance.reject_hashtag,
             instance.reject_straight_follow,
diff --git a/app/controllers/api/v1/admin/domain_blocks_controller.rb b/app/controllers/api/v1/admin/domain_blocks_controller.rb
index 45d4b598a72300..fd7967d6498921 100644
--- a/app/controllers/api/v1/admin/domain_blocks_controller.rb
+++ b/app/controllers/api/v1/admin/domain_blocks_controller.rb
@@ -69,7 +69,7 @@ def filtered_domain_blocks
   end
 
   def domain_block_params
-    params.permit(:severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_reports, :reject_send_sensitive, :reject_hashtag, :reject_straight_follow,
+    params.permit(:severity, :reject_media, :reject_favourite, :reject_reply_exclude_followers, :reject_reports, :reject_send_sensitive, :reject_hashtag, :reject_straight_follow,
                   :reject_new_follow, :reject_friend, :block_trends, :detect_invalid_subscription, :private_comment, :public_comment, :obfuscate, :hidden)
   end
 
@@ -102,7 +102,7 @@ def pagination_params(core_params)
   end
 
   def resource_params
-    params.permit(:domain, :severity, :reject_media, :reject_favourite, :reject_reply, :reject_reply_exclude_followers, :reject_send_sensitive, :reject_hashtag, :reject_straight_follow,
+    params.permit(:domain, :severity, :reject_media, :reject_favourite, :reject_reply_exclude_followers, :reject_send_sensitive, :reject_hashtag, :reject_straight_follow,
                   :reject_new_follow, :reject_friend, :block_trends, :detect_invalid_subscription, :reject_reports, :private_comment, :public_comment, :obfuscate, :hidden)
   end
 end
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 36548f029b8cdd..b390fc5d249429 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -91,7 +91,6 @@ def process_status
     process_audience
 
     return nil unless valid_status?
-    return nil if (mention_to_local? || reference_to_local_account?) && reject_reply_to_local?
     return nil if (mention_to_local_stranger? || reference_to_local_stranger?) && reject_reply_exclude_followers?
 
     ApplicationRecord.transaction do
@@ -510,10 +509,6 @@ def reply_to_local?
     !replied_to_status.nil? && replied_to_status.account.local?
   end
 
-  def mention_to_local?
-    mentioned_accounts.any?(&:local?)
-  end
-
   def mention_to_local_stranger?
     mentioned_accounts.any? { |account| account.local? && !account.following?(@account) }
   end
@@ -532,10 +527,6 @@ def reference_to_local_stranger?
     local_referred_accounts.any? { |account| !account.following?(@account) }
   end
 
-  def reject_reply_to_local?
-    @reject_reply_to_local ||= DomainBlock.reject_reply?(@account.domain)
-  end
-
   def reject_reply_exclude_followers?
     @reject_reply_exclude_followers ||= DomainBlock.reject_reply_exclude_followers?(@account.domain)
   end
diff --git a/app/models/admin/import.rb b/app/models/admin/import.rb
index 90db439a5d7e2d..13927dbdf4ffdf 100644
--- a/app/models/admin/import.rb
+++ b/app/models/admin/import.rb
@@ -34,7 +34,7 @@ def csv_data
         field&.strip
       when '#severity'
         field&.strip&.to_sym
-      when '#reject_media', '#reject_reports', '#obfuscate', '#reject_favourite', '#reject_reply', '#reject_send_sensitive',
+      when '#reject_media', '#reject_reports', '#obfuscate', '#reject_favourite', '#reject_send_sensitive',
         '#reject_hashtag', '#reject_straight_follow', '#reject_new_follow', '#hidden', '#detect_invalid_subscription',
         '#reject_reply_exclude_followers', '#reject_friend', '#block_trends'
         ActiveModel::Type::Boolean.new.cast(field)
diff --git a/app/models/domain_block.rb b/app/models/domain_block.rb
index 350479ddc3c238..a851e17307c594 100644
--- a/app/models/domain_block.rb
+++ b/app/models/domain_block.rb
@@ -15,7 +15,6 @@
 #  public_comment                 :text
 #  obfuscate                      :boolean          default(FALSE), not null
 #  reject_favourite               :boolean          default(FALSE), not null
-#  reject_reply                   :boolean          default(FALSE), not null
 #  reject_send_sensitive          :boolean          default(FALSE), not null
 #  reject_hashtag                 :boolean          default(FALSE), not null
 #  reject_straight_follow         :boolean          default(FALSE), not null
@@ -44,7 +43,6 @@ class DomainBlock < ApplicationRecord
     where(severity: [:silence, :suspend])
       .or(where(reject_media: true))
       .or(where(reject_favourite: true))
-      .or(where(reject_reply: true))
       .or(where(reject_reply_exclude_followers: true))
       .or(where(reject_new_follow: true))
       .or(where(reject_straight_follow: true))
@@ -64,7 +62,6 @@ def policies
       [severity.to_sym,
        reject_media? ? :reject_media : nil,
        reject_favourite? ? :reject_favourite : nil,
-       reject_reply? ? :reject_reply : nil,
        reject_reply_exclude_followers? ? :reject_reply_exclude_followers : nil,
        reject_send_sensitive? ? :reject_send_sensitive : nil,
        reject_hashtag? ? :reject_hashtag : nil,
@@ -94,10 +91,6 @@ def reject_favourite?(domain)
       !!rule_for(domain)&.reject_favourite?
     end
 
-    def reject_reply?(domain)
-      !!rule_for(domain)&.reject_reply?
-    end
-
     def reject_reply_exclude_followers?(domain)
       !!rule_for(domain)&.reject_reply_exclude_followers?
     end
@@ -150,7 +143,7 @@ def stricter_than?(other_block)
     return false if other_block.suspend? && (silence? || noop?)
     return false if other_block.silence? && noop?
 
-    (reject_media || !other_block.reject_media) && (reject_favourite || !other_block.reject_favourite) && (reject_reply || !other_block.reject_reply) && (reject_reply_exclude_followers || !other_block.reject_reply_exclude_followers) && (reject_reports || !other_block.reject_reports)
+    (reject_media || !other_block.reject_media) && (reject_favourite || !other_block.reject_favourite) && (reject_reply_exclude_followers || !other_block.reject_reply_exclude_followers) && (reject_reports || !other_block.reject_reports)
   end
 
   def public_domain
diff --git a/app/serializers/rest/admin/domain_block_serializer.rb b/app/serializers/rest/admin/domain_block_serializer.rb
index 33aabdb832b6cb..6a496e2b80ec76 100644
--- a/app/serializers/rest/admin/domain_block_serializer.rb
+++ b/app/serializers/rest/admin/domain_block_serializer.rb
@@ -2,7 +2,7 @@
 
 class REST::Admin::DomainBlockSerializer < ActiveModel::Serializer
   attributes :id, :domain, :digest, :created_at, :severity,
-             :reject_media, :reject_favourite, :reject_reply, :reject_reports,
+             :reject_media, :reject_favourite, :reject_reports,
              :reject_reply_exclude_followers, :reject_send_sensitive, :block_trends,
              :reject_hashtag, :reject_straight_follow, :reject_new_follow, :reject_friend, :detect_invalid_subscription,
              :private_comment, :public_comment, :obfuscate
diff --git a/app/views/admin/domain_blocks/_domain_block_list.html.haml b/app/views/admin/domain_blocks/_domain_block_list.html.haml
index 135b8a0ba46051..2b7b3821654d07 100644
--- a/app/views/admin/domain_blocks/_domain_block_list.html.haml
+++ b/app/views/admin/domain_blocks/_domain_block_list.html.haml
@@ -3,9 +3,6 @@
 .fields-group
   = f.input :reject_favourite, as: :boolean, kmyblue: true, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_favourite'), hint: I18n.t('admin.domain_blocks.reject_favourite_hint')
 
-.fields-group
-  = f.input :reject_reply, as: :boolean, kmyblue: true, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_reply'), hint: I18n.t('admin.domain_blocks.reject_reply_hint')
-
 .fields-group
   = f.input :reject_reply_exclude_followers, as: :boolean, kmyblue: true, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_reply_exclude_followers'), hint: I18n.t('admin.domain_blocks.reject_reply_exclude_followers_hint')
 
diff --git a/app/views/admin/export_domain_blocks/_domain_block.html.haml b/app/views/admin/export_domain_blocks/_domain_block.html.haml
index 4789c4801bfe7f..9657d51e9c2706 100644
--- a/app/views/admin/export_domain_blocks/_domain_block.html.haml
+++ b/app/views/admin/export_domain_blocks/_domain_block.html.haml
@@ -11,7 +11,6 @@
       = f.hidden_field :severity
       = f.hidden_field :reject_media
       = f.hidden_field :reject_favourite
-      = f.hidden_field :reject_reply
       = f.hidden_field :reject_reply_exclude_followers
       = f.hidden_field :reject_send_sensitive
       = f.hidden_field :reject_hashtag
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 3e2645b86bbb96..c1d4d1f2eea429 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -457,7 +457,6 @@ en:
       reject_media_hint: Removes locally stored media files and refuses to download any in the future. Irrelevant for suspensions
       reject_new_follow: Reject follows
       reject_new_follow_hint: Reject follows in the future
-      reject_reply: Reject replies
       reject_reply_exclude_followers: Reject mentions/references exclude followers
       reject_reply_hint: Reject replies in the future
       reject_reply_exclude_followers_hint: Reject replies exclude followers in the future
@@ -574,7 +573,6 @@ en:
           reject_media: Reject media
           reject_new_follow: Reject follows
           reject_straight_follow: Reject straight follow
-          reject_reply: Reject reply
           reject_reply_exclude_followers: Reject reply/reference exclude followers
           reject_reports: Reject reports
           silence: Limit
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 666b8efb679c82..e495d13e4dd1ba 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -452,7 +452,6 @@ ja:
       reject_media_hint: ローカルに保存されたメディアファイルを削除し、今後のダウンロードを拒否します。停止とは無関係です
       reject_new_follow: 新規フォローを拒否
       reject_new_follow_hint: 今後の新規フォローを拒否します。停止とは無関係です
-      reject_reply: リプライを拒否
       reject_reply_exclude_followers: フォロー相手以外からのメンションと参照を拒否
       reject_reply_hint: 今後のリプライを拒否します。停止とは無関係です
       reject_reply_exclude_followers_hint: 今後のリプライを拒否します。停止とは無関係です
@@ -566,7 +565,6 @@ ja:
           reject_hashtag: ハッシュタグを拒否
           reject_media: メディアを拒否する
           reject_new_follow: 新規フォローを拒否
-          reject_reply: リプライを拒否
           reject_reply_exclude_followers: フォロー相手以外からのメンション・参照を拒否
           reject_reports: 通報を拒否
           reject_send_sensitive: センシティブ投稿配送なし
diff --git a/db/migrate/20240229233617_remove_reject_reply_from_domain_blocks.rb b/db/migrate/20240229233617_remove_reject_reply_from_domain_blocks.rb
new file mode 100644
index 00000000000000..a60162966eb970
--- /dev/null
+++ b/db/migrate/20240229233617_remove_reject_reply_from_domain_blocks.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class RemoveRejectReplyFromDomainBlocks < ActiveRecord::Migration[7.1]
+  disable_ddl_transaction!
+
+  def change
+    safety_assured { remove_column :domain_blocks, :reject_reply, :boolean, null: false, default: false }
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 649d9d4471f002..65568b2f21bb11 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_02_27_225017) do
+ActiveRecord::Schema[7.1].define(version: 2024_02_29_233617) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -565,7 +565,6 @@
     t.text "public_comment"
     t.boolean "obfuscate", default: false, null: false
     t.boolean "reject_favourite", default: false, null: false
-    t.boolean "reject_reply", default: false, null: false
     t.boolean "reject_send_sensitive", default: false, null: false
     t.boolean "reject_hashtag", default: false, null: false
     t.boolean "reject_straight_follow", default: false, null: false
diff --git a/lib/tasks/dangerous.rake b/lib/tasks/dangerous.rake
index 729eda9f358cdf..43ab95d53eabee 100644
--- a/lib/tasks/dangerous.rake
+++ b/lib/tasks/dangerous.rake
@@ -92,6 +92,7 @@ namespace :dangerous do
       20240227033337
       20240227222450
       20240227225017
+      20240229233617
     )
     # Removed: account_groups
     target_tables = %w(
@@ -147,7 +148,7 @@ namespace :dangerous do
       %w(domain_blocks reject_friend),
       %w(domain_blocks reject_hashtag),
       %w(domain_blocks reject_new_follow),
-      %w(domain_blocks reject_reply),
+      # Removed: domain_blocks reject_reply
       %w(domain_blocks reject_reply_exclude_followers),
       # Removed: domain_blocks reject_send_dissubscribable
       # Removed: domain_blocks reject_send_media
diff --git a/spec/controllers/admin/export_domain_blocks_controller_spec.rb b/spec/controllers/admin/export_domain_blocks_controller_spec.rb
index b4e60e55a937a7..991387400fc1a7 100644
--- a/spec/controllers/admin/export_domain_blocks_controller_spec.rb
+++ b/spec/controllers/admin/export_domain_blocks_controller_spec.rb
@@ -22,7 +22,7 @@
       Fabricate(:domain_block, domain: 'bad.domain', severity: 'silence', public_comment: 'bad server')
       Fabricate(:domain_block, domain: 'worse.domain', severity: 'suspend', reject_media: true, reject_reports: true, public_comment: 'worse server', obfuscate: true)
       Fabricate(:domain_block, domain: 'reject.media', severity: 'noop', reject_media: true, public_comment: 'reject media and test unicode characters ♥')
-      Fabricate(:domain_block, domain: 'little.spam', severity: 'noop', public_comment: 'has some spams', reject_favourite: true, reject_reply: true, reject_straight_follow: true)
+      Fabricate(:domain_block, domain: 'little.spam', severity: 'noop', public_comment: 'has some spams', reject_favourite: true, reject_straight_follow: true)
       Fabricate(:domain_block, domain: 'no.op', severity: 'noop', public_comment: 'noop')
 
       get :export, params: { format: :csv }
@@ -48,11 +48,11 @@ def domain_blocks_csv_file
       end
 
       it 'renders page with extended domain blocks' do
-        expect(assigns(:domain_blocks).map { |block| [block.domain, block.reject_favourite, block.reject_reply, block.reject_friend] }).to contain_exactly(
-          ['bad.domain', false, false, false],
-          ['worse.domain', false, false, false],
-          ['reject.media', false, false, false],
-          ['little.spam', true, true, false]
+        expect(assigns(:domain_blocks).map { |block| [block.domain, block.reject_favourite, block.reject_friend] }).to contain_exactly(
+          ['bad.domain', false, false],
+          ['worse.domain', false, false],
+          ['reject.media', false, false],
+          ['little.spam', true, false]
         )
       end
 
diff --git a/spec/fixtures/files/domain_blocks.csv b/spec/fixtures/files/domain_blocks.csv
index 066e6b7d985909..bb9daa1f68fcd2 100644
--- a/spec/fixtures/files/domain_blocks.csv
+++ b/spec/fixtures/files/domain_blocks.csv
@@ -1,5 +1,5 @@
-#domain,#severity,#reject_media,#reject_reports,#public_comment,#obfuscate,#reject_favourite,#reject_reply,#reject_send_sensitive,#reject_hashtag,#reject_straight_follow,#reject_new_follow,#hidden,#detect_invalid_subscription,#reject_reply_exclude_followers,#reject_friend,#block_trends
-bad.domain,silence,false,false,bad server,false,false,false,false,false,false,false,false,false,false,false,false
-worse.domain,suspend,true,true,worse server,true,false,false,false,false,false,false,false,false,false,false,false
-reject.media,noop,true,false,reject media and test unicode characters ♥,false,false,false,false,false,false,false,false,false,false,false,false
-little.spam,noop,false,false,has some spams,false,true,true,false,false,true,false,false,false,false,false,false
+#domain,#severity,#reject_media,#reject_reports,#public_comment,#obfuscate,#reject_favourite,#reject_send_sensitive,#reject_hashtag,#reject_straight_follow,#reject_new_follow,#hidden,#detect_invalid_subscription,#reject_reply_exclude_followers,#reject_friend,#block_trends
+bad.domain,silence,false,false,bad server,false,false,false,false,false,false,false,false,false,false,false
+worse.domain,suspend,true,true,worse server,true,false,false,false,false,false,false,false,false,false,false
+reject.media,noop,true,false,reject media and test unicode characters ♥,false,false,false,false,false,false,false,false,false,false,false
+little.spam,noop,false,false,has some spams,false,true,false,false,true,false,false,false,false,false,false
diff --git a/spec/lib/activitypub/activity/create_spec.rb b/spec/lib/activitypub/activity/create_spec.rb
index 5c668f1e3abdcf..7c91f55203eb11 100644
--- a/spec/lib/activitypub/activity/create_spec.rb
+++ b/spec/lib/activitypub/activity/create_spec.rb
@@ -869,36 +869,6 @@ def activity_for_object(json)
         end
       end
 
-      context 'with mentions domain block reject_reply' do
-        before do
-          Fabricate(:domain_block, domain: 'example.com', severity: :noop, reject_reply: true)
-          subject.perform
-        end
-
-        let(:custom_before) { true }
-        let(:recipient) { Fabricate(:account) }
-
-        let(:object_json) do
-          {
-            id: [ActivityPub::TagManager.instance.uri_for(sender), '#bar'].join,
-            type: 'Note',
-            content: 'Lorem ipsum',
-            tag: [
-              {
-                type: 'Mention',
-                href: ActivityPub::TagManager.instance.uri_for(recipient),
-              },
-            ],
-          }
-        end
-
-        it 'creates status' do
-          status = sender.statuses.first
-
-          expect(status).to be_nil
-        end
-      end
-
       context 'with mentions domain block reject_reply_exclude_followers' do
         before do
           Fabricate(:domain_block, domain: 'example.com', severity: :noop, reject_reply_exclude_followers: true)
diff --git a/spec/requests/api/v1/admin/domain_blocks_spec.rb b/spec/requests/api/v1/admin/domain_blocks_spec.rb
index b0978da04c492b..9f7431b9c0fedb 100644
--- a/spec/requests/api/v1/admin/domain_blocks_spec.rb
+++ b/spec/requests/api/v1/admin/domain_blocks_spec.rb
@@ -62,7 +62,6 @@
             reject_hashtag: domain_block.reject_hashtag,
             detect_invalid_subscription: domain_block.detect_invalid_subscription,
             reject_new_follow: domain_block.reject_new_follow,
-            reject_reply: domain_block.reject_reply,
             reject_reply_exclude_followers: domain_block.reject_reply_exclude_followers,
             reject_send_sensitive: domain_block.reject_send_sensitive,
             reject_straight_follow: domain_block.reject_straight_follow,
@@ -112,7 +111,6 @@
         reject_hashtag: domain_block.reject_hashtag,
         detect_invalid_subscription: domain_block.detect_invalid_subscription,
         reject_new_follow: domain_block.reject_new_follow,
-        reject_reply: domain_block.reject_reply,
         reject_reply_exclude_followers: domain_block.reject_reply_exclude_followers,
         reject_send_sensitive: domain_block.reject_send_sensitive,
         reject_straight_follow: domain_block.reject_straight_follow,
@@ -145,7 +143,6 @@
           reject_hashtag: domain_block.reject_hashtag,
           detect_invalid_subscription: domain_block.detect_invalid_subscription,
           reject_new_follow: domain_block.reject_new_follow,
-          reject_reply: domain_block.reject_reply,
           reject_reply_exclude_followers: domain_block.reject_reply_exclude_followers,
           reject_send_sensitive: domain_block.reject_send_sensitive,
           reject_straight_follow: domain_block.reject_straight_follow,