diff --git a/app/models/chat_name.rb b/app/models/chat_name.rb
index 9bd618c100875d28d780731b23f3ce7d9232e837..cda19273f52b4761b8e2fe7b510991637cb77f1c 100644
--- a/app/models/chat_name.rb
+++ b/app/models/chat_name.rb
@@ -3,7 +3,9 @@
 class ChatName < ApplicationRecord
   LAST_USED_AT_INTERVAL = 1.hour
 
-  belongs_to :integration
+  include IgnorableColumns
+  ignore_column :integration_id, remove_with: '16.0', remove_after: '2023-04-22'
+
   belongs_to :user
 
   validates :user, presence: true
diff --git a/app/models/integrations/base_slash_commands.rb b/app/models/integrations/base_slash_commands.rb
index eece67b86d4e04fd058b9f631d8026c6baf9689e..7662da933ba9bb3ff6e1a619b1b1f6ee73d4e0db 100644
--- a/app/models/integrations/base_slash_commands.rb
+++ b/app/models/integrations/base_slash_commands.rb
@@ -6,8 +6,6 @@ module Integrations
   class BaseSlashCommands < Integration
     attribute :category, default: 'chat'
 
-    has_many :chat_names, foreign_key: :integration_id, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
-
     def valid_token?(token)
       self.respond_to?(:token) &&
         self.token.present? &&
diff --git a/app/views/profiles/chat_names/_chat_name.html.haml b/app/views/profiles/chat_names/_chat_name.html.haml
index ce2fc2098c506fe67ff1c1af4d3d8a9cec7b10c9..afc3894c23bb6f14c112a716597fecac1b04e638 100644
--- a/app/views/profiles/chat_names/_chat_name.html.haml
+++ b/app/views/profiles/chat_names/_chat_name.html.haml
@@ -1,20 +1,4 @@
-- integration = chat_name.integration
-- project = integration&.project
 %tr
-  %td
-    %strong
-      - if project.present? && can?(current_user, :read_project, project)
-        = link_to project.full_name, project_path(project)
-      - else
-        .light= _('Not applicable.')
-  %td
-    %strong
-      - if integration.present? && can?(current_user, :admin_project, project)
-        = link_to integration.title, edit_project_settings_integration_path(project, integration)
-      - elsif integration.present?
-        = integration.title
-      - else
-        .light= _('Not applicable.')
   %td
     = chat_name.team_domain
   %td
diff --git a/app/views/profiles/chat_names/index.html.haml b/app/views/profiles/chat_names/index.html.haml
index 41bd81d0250e6af401317017fb3af16fc8add83c..43d7c9bf7c66464ed60aa8b3772e7d4b0d3332b0 100644
--- a/app/views/profiles/chat_names/index.html.haml
+++ b/app/views/profiles/chat_names/index.html.haml
@@ -14,11 +14,9 @@
 
     - if @chat_names.present?
       .table-responsive
-        %table.table.chat-names
+        %table.table
           %thead
             %tr
-              %th= _('Project')
-              %th= _('Service')
               %th= _('Team domain')
               %th= _('Nickname')
               %th= _('Last used')
diff --git a/ee/spec/lib/slack/block_kit/app_home_opened_spec.rb b/ee/spec/lib/slack/block_kit/app_home_opened_spec.rb
index 38483e4f4c6226288fb1e250a911e35ada508204..e62ba35b5f0f83d813403fafb3c4b6ff59a9caca 100644
--- a/ee/spec/lib/slack/block_kit/app_home_opened_spec.rb
+++ b/ee/spec/lib/slack/block_kit/app_home_opened_spec.rb
@@ -41,8 +41,7 @@
         create(:chat_name,
           user: user,
           team_id: slack_installation.team_id,
-          chat_id: slack_installation.user_id,
-          integration: slack_installation.integration
+          chat_id: slack_installation.user_id
         )
       end
 
diff --git a/ee/spec/services/integrations/slack_interactions/incident_management/incident_modal_submit_service_spec.rb b/ee/spec/services/integrations/slack_interactions/incident_management/incident_modal_submit_service_spec.rb
index 85db41e5e4be1ea3b0712f47873a60731e021ed6..23de294fb1004bf084ee6cdf7ccd4d840e02d7bf 100644
--- a/ee/spec/services/integrations/slack_interactions/incident_management/incident_modal_submit_service_spec.rb
+++ b/ee/spec/services/integrations/slack_interactions/incident_management/incident_modal_submit_service_spec.rb
@@ -16,8 +16,7 @@
       create(:chat_name,
         user: user,
         team_id: slack_installation.team_id,
-        chat_id: slack_installation.user_id,
-        integration: slack_installation.integration
+        chat_id: slack_installation.user_id
       )
     end
 
diff --git a/ee/spec/services/integrations/slack_option_service_spec.rb b/ee/spec/services/integrations/slack_option_service_spec.rb
index 30c494dbe7a198e61f2a07b9e999bc9b78dad098..2e114b932d2ec22c8a20fb5be26aa6c483de7625 100644
--- a/ee/spec/services/integrations/slack_option_service_spec.rb
+++ b/ee/spec/services/integrations/slack_option_service_spec.rb
@@ -13,8 +13,7 @@
       create(:chat_name,
         user: user,
         team_id: slack_installation.team_id,
-        chat_id: slack_installation.user_id,
-        integration: slack_installation.integration
+        chat_id: slack_installation.user_id
       )
     end
 
diff --git a/spec/factories/chat_names.rb b/spec/factories/chat_names.rb
index 56567394bf50cd3224936689251637c3db261e66..c872694ee646346ac9b94538a1ea9d105bc0623d 100644
--- a/spec/factories/chat_names.rb
+++ b/spec/factories/chat_names.rb
@@ -3,7 +3,6 @@
 FactoryBot.define do
   factory :chat_name, class: 'ChatName' do
     user
-    integration
 
     team_id { 'T0001' }
     team_domain { 'Awesome Team' }
diff --git a/spec/features/profiles/chat_names_spec.rb b/spec/features/profiles/chat_names_spec.rb
index 299ecdb60321cab1c7050ce3f8abf106683cd608..9e1bd69a239a2ad28a52a6dfe170e1f0f70e8809 100644
--- a/spec/features/profiles/chat_names_spec.rb
+++ b/spec/features/profiles/chat_names_spec.rb
@@ -3,8 +3,7 @@
 require 'spec_helper'
 
 RSpec.describe 'Profile > Chat', feature_category: :user_profile do
-  let(:user) { create(:user) }
-  let(:integration) { create(:integration) }
+  let_it_be(:user) { create(:user) }
 
   before do
     sign_in(user)
@@ -60,7 +59,7 @@
   end
 
   describe 'visits chat accounts' do
-    let!(:chat_name) { create(:chat_name, user: user, integration: integration) }
+    let_it_be(:chat_name) { create(:chat_name, user: user) }
 
     before do
       visit profile_chat_names_path
diff --git a/spec/models/chat_name_spec.rb b/spec/models/chat_name_spec.rb
index 0838c2328723de29cfd4e1cd43f95e1500e371cc..9d6b1a56458b5c5a9c2f09c6dcf2f6443da03ee8 100644
--- a/spec/models/chat_name_spec.rb
+++ b/spec/models/chat_name_spec.rb
@@ -7,7 +7,6 @@
 
   subject { chat_name }
 
-  it { is_expected.to belong_to(:integration) }
   it { is_expected.to belong_to(:user) }
 
   it { is_expected.to validate_presence_of(:user) }
@@ -16,12 +15,6 @@
 
   it { is_expected.to validate_uniqueness_of(:chat_id).scoped_to(:team_id) }
 
-  it 'is not removed when the project is deleted' do
-    expect { subject.reload.integration.project.delete }.not_to change { ChatName.count }
-
-    expect(ChatName.where(id: subject.id)).to exist
-  end
-
   describe '#update_last_used_at', :clean_gitlab_redis_shared_state do
     it 'updates the last_used_at timestamp' do
       expect(subject.last_used_at).to be_nil
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 7d431de9f07138b15eccb27163d908df0ecda150..d11257cbf8908ae34de27081f3c986ff7374f5ad 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -7326,20 +7326,6 @@ def has_external_wiki
     end
   end
 
-  describe 'with integrations and chat names' do
-    subject { create(:project) }
-
-    let(:integration) { create(:integration, project: subject) }
-
-    before do
-      create_list(:chat_name, 5, integration: integration)
-    end
-
-    it 'does not remove chat names on removal' do
-      expect { subject.destroy! }.not_to change { ChatName.count }
-    end
-  end
-
   describe 'with_issues_or_mrs_available_for_user' do
     before do
       Project.delete_all
diff --git a/spec/support/shared_examples/models/integrations/base_slash_commands_shared_examples.rb b/spec/support/shared_examples/models/integrations/base_slash_commands_shared_examples.rb
index 7dfdd24177e2866d15cdc8299c96884dd2bcc75d..0cf109ce5c5eb36a4d28f22eecdc26d1e1050a44 100644
--- a/spec/support/shared_examples/models/integrations/base_slash_commands_shared_examples.rb
+++ b/spec/support/shared_examples/models/integrations/base_slash_commands_shared_examples.rb
@@ -3,7 +3,6 @@
 RSpec.shared_examples Integrations::BaseSlashCommands do
   describe "Associations" do
     it { is_expected.to respond_to :token }
-    it { is_expected.to have_many :chat_names }
   end
 
   describe 'default values' do
@@ -85,7 +84,7 @@
       end
 
       context 'when the user is authenticated' do
-        let!(:chat_name) { create(:chat_name, integration: subject) }
+        let!(:chat_name) { create(:chat_name) }
         let(:params) { { token: 'token', team_id: chat_name.team_id, user_id: chat_name.chat_id } }
 
         subject do