diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index fbfde93c253..fefa2ef709c 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -2442,7 +2442,6 @@ en:
     tag_style: "Visual style for tag badges."
     pm_tags_allowed_for_groups: "Allow members of included group(s) to tag any personal message"
     min_trust_level_to_tag_topics: "Minimum trust level required to tag topics"
-    tag_topic_allowed_groups: "Groups that are allowed to tag topics."
     suppress_overlapping_tags_in_list: "If tags match exact words in topic titles, don't show the tag"
     remove_muted_tags_from_latest: "Don't show topics tagged only with muted tags in the latest topic list."
     force_lowercase_tags: "Force all new tags to be entirely lowercase."
@@ -2585,7 +2584,6 @@ en:
       create_tag_allowed_groups: "min_trust_to_create_tag"
       send_email_messages_allowed_groups: "min_trust_to_send_email_messages"
       skip_review_media_groups: "review_media_unless_trust_level"
-      tag_topic_allowed_groups: "min_trust_level_to_tag_topics"
 
     placeholder:
       discourse_connect_provider_secrets:
diff --git a/config/site_settings.yml b/config/site_settings.yml
index 9defd8b322e..756714078e7 100644
--- a/config/site_settings.yml
+++ b/config/site_settings.yml
@@ -3031,14 +3031,6 @@ tags:
     default: "0"
     enum: "TrustLevelAndStaffSetting"
     client: true
-    hidden: true
-  tag_topic_allowed_groups:
-    default: "10"
-    type: group_list
-    allow_any: false
-    refresh: true
-    client: true
-    validator: "AtLeastOneGroupValidator"
   max_tag_search_results:
     client: true
     default: 5
diff --git a/db/migrate/20240112073149_fill_tag_topic_allowed_groups_based_on_deprecated_settings.rb b/db/migrate/20240112073149_fill_tag_topic_allowed_groups_based_on_deprecated_settings.rb
deleted file mode 100644
index 15b75b85e9a..00000000000
--- a/db/migrate/20240112073149_fill_tag_topic_allowed_groups_based_on_deprecated_settings.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-# frozen_string_literal: true
-
-class FillTagTopicAllowedGroupsBasedOnDeprecatedSettings < ActiveRecord::Migration[7.0]
-  def up
-    configured_trust_level =
-      DB.query_single(
-        "SELECT value FROM site_settings WHERE name = 'min_trust_level_to_tag_topics' LIMIT 1",
-      ).first
-
-    # Default for old setting is TL0, we only need to do anything if it's been changed in the DB.
-    if configured_trust_level.present?
-      # Matches Group::AUTO_GROUPS to the trust levels.
-      corresponding_group = "1#{configured_trust_level}"
-
-      # Data_type 20 is group_list.
-      DB.exec(
-        "INSERT INTO site_settings(name, value, data_type, created_at, updated_at)
-        VALUES('min_trust_level_to_tag_topics', :setting, '20', NOW(), NOW())",
-        setting: corresponding_group,
-      )
-    end
-  end
-
-  def down
-    raise ActiveRecord::IrreversibleMigration
-  end
-end
diff --git a/lib/guardian/tag_guardian.rb b/lib/guardian/tag_guardian.rb
index e5ec0a93967..66fa58a14c1 100644
--- a/lib/guardian/tag_guardian.rb
+++ b/lib/guardian/tag_guardian.rb
@@ -15,7 +15,8 @@ module TagGuardian
   end
 
   def can_tag_topics?
-    SiteSetting.tagging_enabled && @user.in_any_groups?(SiteSetting.tag_topic_allowed_groups_map)
+    SiteSetting.tagging_enabled &&
+      @user.has_trust_level_or_staff?(SiteSetting.min_trust_level_to_tag_topics)
   end
 
   def can_tag_pms?
diff --git a/lib/site_settings/deprecated_settings.rb b/lib/site_settings/deprecated_settings.rb
index 2bf71ab577f..98f76cb3e6b 100644
--- a/lib/site_settings/deprecated_settings.rb
+++ b/lib/site_settings/deprecated_settings.rb
@@ -37,7 +37,6 @@ module SiteSettings::DeprecatedSettings
     ["min_trust_to_create_tag", "create_tag_allowed_groups", false, "3.3"],
     ["min_trust_to_send_email_messages", "send_email_messages_allowed_groups", false, "3.3"],
     ["review_media_unless_trust_level", "skip_review_media_groups", false, "3.3"],
-    ["min_trust_level_to_tag_topics", "tag_topic_allowed_groups", false, "3.3"],
   ]
 
   OVERRIDE_TL_GROUP_SETTINGS = %w[
@@ -59,7 +58,6 @@ module SiteSettings::DeprecatedSettings
     min_trust_to_create_tag
     min_trust_to_send_email_messages
     review_media_unless_trust_level
-    min_trust_level_to_tag_topics
   ]
 
   def group_to_tl(old_setting, new_setting)
diff --git a/plugins/chat/spec/lib/chat/channel_archive_service_spec.rb b/plugins/chat/spec/lib/chat/channel_archive_service_spec.rb
index 26ad7576e21..67af1ba07dc 100644
--- a/plugins/chat/spec/lib/chat/channel_archive_service_spec.rb
+++ b/plugins/chat/spec/lib/chat/channel_archive_service_spec.rb
@@ -7,7 +7,7 @@ describe Chat::ChannelArchiveService do
   end
 
   fab!(:channel) { Fabricate(:category_channel) }
-  fab!(:user) { Fabricate(:user, admin: true, refresh_auto_groups: true) }
+  fab!(:user) { Fabricate(:user, admin: true) }
   fab!(:category)
 
   let(:topic_params) { { topic_title: "This will be a new topic", category_id: category.id } }
diff --git a/spec/integration/category_tag_spec.rb b/spec/integration/category_tag_spec.rb
index 14e3ce60e1d..ebfd67253b5 100644
--- a/spec/integration/category_tag_spec.rb
+++ b/spec/integration/category_tag_spec.rb
@@ -18,7 +18,7 @@ RSpec.describe "category tag restrictions" do
   before do
     SiteSetting.tagging_enabled = true
     SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-    SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+    SiteSetting.min_trust_level_to_tag_topics = 0
   end
 
   context "with tags restricted to one category" do
@@ -770,7 +770,7 @@ RSpec.describe "tag topic counts per category" do
   before do
     SiteSetting.tagging_enabled = true
     SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-    SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+    SiteSetting.min_trust_level_to_tag_topics = 0
   end
 
   it "counts when a topic is created with tags" do
@@ -782,10 +782,8 @@ RSpec.describe "tag topic counts per category" do
   end
 
   it "counts when tag is added to an existing topic" do
-    user = Fabricate(:user, refresh_auto_groups: true)
-    topic = Fabricate(:topic, user: user, category: category)
-    post = Fabricate(:post, user: user, topic: topic)
-
+    topic = Fabricate(:topic, category: category)
+    post = Fabricate(:post, user: topic.user, topic: topic)
     expect(CategoryTagStat.where(category: category).count).to eq(0)
     expect {
       PostRevisor.new(post).revise!(topic.user, raw: post.raw, tags: [tag1.name, tag2.name])
diff --git a/spec/jobs/export_user_archive_spec.rb b/spec/jobs/export_user_archive_spec.rb
index 04f5fb776df..db8c236089e 100644
--- a/spec/jobs/export_user_archive_spec.rb
+++ b/spec/jobs/export_user_archive_spec.rb
@@ -14,7 +14,7 @@ RSpec.describe Jobs::ExportUserArchive do
   end
   let(:component) { raise "component not set" }
 
-  fab!(:admin) { Fabricate(:admin, refresh_auto_groups: true) }
+  fab!(:admin)
   fab!(:category) { Fabricate(:category_with_definition, name: "User Archive Category") }
   fab!(:subcategory) { Fabricate(:category_with_definition, parent_category_id: category.id) }
   fab!(:topic) { Fabricate(:topic, category: category) }
diff --git a/spec/lib/discourse_tagging_spec.rb b/spec/lib/discourse_tagging_spec.rb
index 2484ab2a70c..36859c69b32 100644
--- a/spec/lib/discourse_tagging_spec.rb
+++ b/spec/lib/discourse_tagging_spec.rb
@@ -7,7 +7,7 @@ require "discourse_tagging"
 
 RSpec.describe DiscourseTagging do
   fab!(:admin) { Fabricate(:admin, refresh_auto_groups: true) }
-  fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
+  fab!(:user)
   let(:admin_guardian) { Guardian.new(admin) }
   let(:guardian) { Guardian.new(user) }
 
@@ -18,7 +18,7 @@ RSpec.describe DiscourseTagging do
   before do
     SiteSetting.tagging_enabled = true
     SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-    SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+    SiteSetting.min_trust_level_to_tag_topics = 0
   end
 
   describe "visible_tags" do
diff --git a/spec/lib/guardian_spec.rb b/spec/lib/guardian_spec.rb
index 39f9edbbcd9..c28bf6b0e3d 100644
--- a/spec/lib/guardian_spec.rb
+++ b/spec/lib/guardian_spec.rb
@@ -3708,7 +3708,7 @@ RSpec.describe Guardian do
     context "when tagging is enabled" do
       before do
         SiteSetting.tagging_enabled = true
-        SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_1]
+        SiteSetting.min_trust_level_to_tag_topics = 1
       end
 
       context "when minimum trust level to create tags is 3" do
@@ -3739,19 +3739,11 @@ RSpec.describe Guardian do
 
         describe "can_tag_topics" do
           it "returns false if trust level is too low" do
-            expect(
-              Guardian.new(
-                Fabricate(:user, trust_level: 0, refresh_auto_groups: true),
-              ).can_tag_topics?,
-            ).to be_falsey
+            expect(Guardian.new(Fabricate(:user, trust_level: 0)).can_tag_topics?).to be_falsey
           end
 
           it "returns true if trust level is high enough" do
-            expect(
-              Guardian.new(
-                Fabricate(:user, trust_level: 1, refresh_auto_groups: true),
-              ).can_tag_topics?,
-            ).to be_truthy
+            expect(Guardian.new(Fabricate(:user, trust_level: 1)).can_tag_topics?).to be_truthy
           end
 
           it "returns true for staff" do
diff --git a/spec/lib/new_post_manager_spec.rb b/spec/lib/new_post_manager_spec.rb
index 0fa253cc52a..90193990b4e 100644
--- a/spec/lib/new_post_manager_spec.rb
+++ b/spec/lib/new_post_manager_spec.rb
@@ -4,7 +4,7 @@ require "new_post_manager"
 
 RSpec.describe NewPostManager do
   fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
-  fab!(:topic) { Fabricate(:topic, user: user) }
+  fab!(:topic)
 
   describe "default action" do
     it "creates the post by default" do
@@ -415,7 +415,7 @@ RSpec.describe NewPostManager do
     it "calls custom enqueuing handlers" do
       SiteSetting.tagging_enabled = true
       SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
 
       manager =
         NewPostManager.new(
diff --git a/spec/lib/post_creator_spec.rb b/spec/lib/post_creator_spec.rb
index 9b32a00ea05..ebe840a625c 100644
--- a/spec/lib/post_creator_spec.rb
+++ b/spec/lib/post_creator_spec.rb
@@ -556,7 +556,7 @@ RSpec.describe PostCreator do
           context "when can create tags" do
             before do
               SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-              SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+              SiteSetting.min_trust_level_to_tag_topics = 0
             end
 
             it "can create all tags if none exist" do
@@ -577,7 +577,7 @@ RSpec.describe PostCreator do
           context "when cannot create tags" do
             before do
               SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_4]
-              SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+              SiteSetting.min_trust_level_to_tag_topics = 0
             end
 
             it "only uses existing tags" do
@@ -590,7 +590,7 @@ RSpec.describe PostCreator do
           context "when automatically tagging first posts" do
             before do
               SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-              SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+              SiteSetting.min_trust_level_to_tag_topics = 0
               Fabricate(:tag, name: "greetings")
               Fabricate(:tag, name: "hey")
               Fabricate(:tag, name: "about-art")
diff --git a/spec/lib/post_revisor_spec.rb b/spec/lib/post_revisor_spec.rb
index ffff3bcfdc7..52e66d7da4f 100644
--- a/spec/lib/post_revisor_spec.rb
+++ b/spec/lib/post_revisor_spec.rb
@@ -7,7 +7,7 @@ RSpec.describe PostRevisor do
   fab!(:newuser) { Fabricate(:newuser, last_seen_at: Date.today) }
   fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
   fab!(:coding_horror)
-  fab!(:admin) { Fabricate(:admin, refresh_auto_groups: true) }
+  fab!(:admin)
   fab!(:moderator)
   let(:post_args) { { user: newuser, topic: topic } }
 
@@ -101,7 +101,7 @@ RSpec.describe PostRevisor do
 
     it "does not revise category if incorrect amount of tags" do
       SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
 
       new_category = Fabricate(:category, minimum_required_tags: 1)
 
@@ -123,7 +123,7 @@ RSpec.describe PostRevisor do
 
     it "returns an error if the topic does not have minimum amount of tags that the new category requires" do
       SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
 
       old_category = Fabricate(:category, minimum_required_tags: 0)
       new_category = Fabricate(:category, minimum_required_tags: 1)
@@ -137,7 +137,7 @@ RSpec.describe PostRevisor do
 
     it "returns an error if the topic has tags not allowed in the new category" do
       SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
 
       tag1 = Fabricate(:tag)
       tag2 = Fabricate(:tag)
@@ -165,7 +165,7 @@ RSpec.describe PostRevisor do
 
     it "returns an error if the topic is missing tags required from a tag group in the new category" do
       SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
 
       tag1 = Fabricate(:tag)
       tag_group = Fabricate(:tag_group, tags: [tag1])
@@ -1233,7 +1233,7 @@ RSpec.describe PostRevisor do
         context "when can create tags" do
           before do
             SiteSetting.create_tag_allowed_groups = "1|3|#{Group::AUTO_GROUPS[:trust_level_0]}"
-            SiteSetting.tag_topic_allowed_groups = "1|3|#{Group::AUTO_GROUPS[:trust_level_0]}"
+            SiteSetting.min_trust_level_to_tag_topics = 0
           end
 
           it "can create all tags if none exist" do
@@ -1491,7 +1491,7 @@ RSpec.describe PostRevisor do
         context "when cannot create tags" do
           before do
             SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_4]
-            SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+            SiteSetting.min_trust_level_to_tag_topics = 0
           end
 
           it "only uses existing tags" do
diff --git a/spec/lib/search_spec.rb b/spec/lib/search_spec.rb
index f8b1b907bc4..c56d05f0f15 100644
--- a/spec/lib/search_spec.rb
+++ b/spec/lib/search_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 RSpec.describe Search do
-  fab!(:admin) { Fabricate(:admin, refresh_auto_groups: true) }
+  fab!(:admin)
   fab!(:topic)
 
   before do
@@ -1378,7 +1378,7 @@ RSpec.describe Search do
         SiteSetting.tagging_enabled = true
         DiscourseTagging.tag_topic_by_names(
           post.topic,
-          Guardian.new(Fabricate(:admin, refresh_auto_groups: true)),
+          Guardian.new(Fabricate.build(:admin)),
           [tag.name, uppercase_tag.name],
         )
         post.topic.save
diff --git a/spec/lib/topic_creator_spec.rb b/spec/lib/topic_creator_spec.rb
index 30d8ef7e901..102cc8c3737 100644
--- a/spec/lib/topic_creator_spec.rb
+++ b/spec/lib/topic_creator_spec.rb
@@ -108,7 +108,7 @@ RSpec.describe TopicCreator do
       before do
         SiteSetting.tagging_enabled = true
         SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-        SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+        SiteSetting.min_trust_level_to_tag_topics = 0
       end
 
       context "with regular tags" do
@@ -136,8 +136,6 @@ RSpec.describe TopicCreator do
           )
         end
 
-        before { Discourse.system_user.change_trust_level!(TrustLevel[4]) }
-
         it "adds watched words as tags" do
           topic =
             TopicCreator.create(
@@ -218,7 +216,7 @@ RSpec.describe TopicCreator do
         end
 
         it "lets new user create a topic if they don't have sufficient trust level to tag topics" do
-          SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_1]
+          SiteSetting.min_trust_level_to_tag_topics = 1
           new_user = Fabricate(:newuser, refresh_auto_groups: true)
           topic =
             TopicCreator.create(
diff --git a/spec/lib/topics_bulk_action_spec.rb b/spec/lib/topics_bulk_action_spec.rb
index f580d7d71a0..a1cd6cb9ae6 100644
--- a/spec/lib/topics_bulk_action_spec.rb
+++ b/spec/lib/topics_bulk_action_spec.rb
@@ -419,7 +419,7 @@ RSpec.describe TopicsBulkAction do
 
     before do
       SiteSetting.tagging_enabled = true
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
       topic.tags = [tag1, tag2]
       Group.refresh_automatic_groups!
     end
@@ -488,7 +488,7 @@ RSpec.describe TopicsBulkAction do
 
     before do
       SiteSetting.tagging_enabled = true
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
       topic.tags = [tag1, tag2]
       Group.refresh_automatic_groups!
     end
@@ -559,7 +559,7 @@ RSpec.describe TopicsBulkAction do
 
     before do
       SiteSetting.tagging_enabled = true
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
       topic.tags = [tag1, tag2]
       Group.refresh_automatic_groups!
     end
diff --git a/spec/models/post_mover_spec.rb b/spec/models/post_mover_spec.rb
index 554dd283b0c..fca9f76d052 100644
--- a/spec/models/post_mover_spec.rb
+++ b/spec/models/post_mover_spec.rb
@@ -2225,7 +2225,6 @@ RSpec.describe PostMover do
 
         it "can add tags to new message when staff group is included in pm_tags_allowed_for_groups" do
           SiteSetting.pm_tags_allowed_for_groups = "1|2|3"
-          SiteSetting.tag_topic_allowed_groups = "1|2|3"
           personal_message.move_posts(
             admin,
             [p2.id, p5.id],
diff --git a/spec/models/reviewable_queued_post_spec.rb b/spec/models/reviewable_queued_post_spec.rb
index 5f1183055a8..76f249bd5ef 100644
--- a/spec/models/reviewable_queued_post_spec.rb
+++ b/spec/models/reviewable_queued_post_spec.rb
@@ -239,7 +239,7 @@ RSpec.describe ReviewableQueuedPost, type: :model do
     before do
       SiteSetting.tagging_enabled = true
       SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-      SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+      SiteSetting.min_trust_level_to_tag_topics = 0
     end
 
     context "when editing" do
diff --git a/spec/models/tag_spec.rb b/spec/models/tag_spec.rb
index d7b97e3475d..9e074e82abe 100644
--- a/spec/models/tag_spec.rb
+++ b/spec/models/tag_spec.rb
@@ -17,7 +17,7 @@ RSpec.describe Tag do
 
   before do
     SiteSetting.tagging_enabled = true
-    SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+    SiteSetting.min_trust_level_to_tag_topics = 0
   end
 
   describe "Associations" do
diff --git a/spec/models/tag_user_spec.rb b/spec/models/tag_user_spec.rb
index d476494b897..8e8772b73b2 100644
--- a/spec/models/tag_user_spec.rb
+++ b/spec/models/tag_user_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe TagUser do
   before do
     SiteSetting.tagging_enabled = true
     SiteSetting.create_tag_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
-    SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
+    SiteSetting.min_trust_level_to_tag_topics = 0
   end
 
   def regular
diff --git a/spec/models/topic_embed_spec.rb b/spec/models/topic_embed_spec.rb
index 7e23ee5fae4..9e11d2b5865 100644
--- a/spec/models/topic_embed_spec.rb
+++ b/spec/models/topic_embed_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe TopicEmbed do
   it { is_expected.to validate_presence_of :embed_url }
 
   describe ".import" do
-    fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
+    fab!(:user)
     let(:title) { "How to turn a fish from good to evil in 30 seconds" }
     let(:url) { "http://eviltrout.com/123" }
     let(:contents) do
diff --git a/spec/requests/posts_controller_spec.rb b/spec/requests/posts_controller_spec.rb
index 49b9328265c..27f1a89dc0c 100644
--- a/spec/requests/posts_controller_spec.rb
+++ b/spec/requests/posts_controller_spec.rb
@@ -1372,7 +1372,7 @@ RSpec.describe PostsController do
 
       it "cannot create a post with a tag without tagging permission" do
         SiteSetting.tagging_enabled = true
-        SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_4]
+        SiteSetting.min_trust_level_to_tag_topics = 4
         tag = Fabricate(:tag)
 
         post "/posts.json",
diff --git a/spec/services/post_alerter_spec.rb b/spec/services/post_alerter_spec.rb
index 68615d1861d..272b9b144b6 100644
--- a/spec/services/post_alerter_spec.rb
+++ b/spec/services/post_alerter_spec.rb
@@ -2057,7 +2057,6 @@ RSpec.describe PostAlerter do
 
       before do
         SiteSetting.tagging_enabled = true
-        SiteSetting.tag_topic_allowed_groups = Group::AUTO_GROUPS[:trust_level_0]
         Jobs.run_immediately!
         TagUser.change(user.id, watched_tag.id, TagUser.notification_levels[:watching_first_post])
         TopicUser.change(
@@ -2076,10 +2075,7 @@ RSpec.describe PostAlerter do
         ).to eq(0)
 
         expect {
-          PostRevisor.new(post).revise!(
-            Fabricate(:user, refresh_auto_groups: true),
-            tags: [other_tag.name, watched_tag.name],
-          )
+          PostRevisor.new(post).revise!(Fabricate(:user), tags: [other_tag.name, watched_tag.name])
         }.to change { Notification.where(user_id: user.id).count }.by(1)
         expect(
           user
@@ -2089,10 +2085,7 @@ RSpec.describe PostAlerter do
         ).to eq(1)
 
         expect {
-          PostRevisor.new(post).revise!(
-            Fabricate(:user, refresh_auto_groups: true),
-            tags: [watched_tag.name, other_tag.name],
-          )
+          PostRevisor.new(post).revise!(Fabricate(:user), tags: [watched_tag.name, other_tag.name])
         }.not_to change { Notification.count }
         expect(
           user
@@ -2156,26 +2149,11 @@ RSpec.describe PostAlerter do
       end
 
       it "only notifies staff watching added tag" do
-        expect(
-          PostRevisor.new(post).revise!(
-            Fabricate(:admin, refresh_auto_groups: true),
-            tags: [other_tag.name],
-          ),
-        ).to be true
+        expect(PostRevisor.new(post).revise!(Fabricate(:admin), tags: [other_tag.name])).to be true
         expect(Notification.where(user_id: staged.id).count).to eq(0)
-        expect(
-          PostRevisor.new(post).revise!(
-            Fabricate(:admin, refresh_auto_groups: true),
-            tags: [other_tag2.name],
-          ),
-        ).to be true
+        expect(PostRevisor.new(post).revise!(Fabricate(:admin), tags: [other_tag2.name])).to be true
         expect(Notification.where(user_id: admin.id).count).to eq(0)
-        expect(
-          PostRevisor.new(post).revise!(
-            Fabricate(:admin, refresh_auto_groups: true),
-            tags: [other_tag3.name],
-          ),
-        ).to be true
+        expect(PostRevisor.new(post).revise!(Fabricate(:admin), tags: [other_tag3.name])).to be true
         expect(Notification.where(user_id: admin.id).count).to eq(1)
       end
     end