diff --git a/spec/controllers/api/v1/timelines/public_controller_spec.rb b/spec/controllers/api/v1/timelines/public_controller_spec.rb
index 6084b6822e..f7580741f8 100644
--- a/spec/controllers/api/v1/timelines/public_controller_spec.rb
+++ b/spec/controllers/api/v1/timelines/public_controller_spec.rb
@@ -35,20 +35,23 @@ describe Api::V1::Timelines::PublicController do
 
     context 'with filter' do
       subject do
-        Fabricate(:follow, account: account, target_account: remote_account)
         get :show
         body_as_json.filter { |status| status[:filtered].empty? || status[:filtered][0][:filter][:id] != filter.id.to_s }.map { |status| status[:id].to_i }
       end
 
+      before do
+        Fabricate(:custom_filter_keyword, custom_filter: filter, keyword: 'ohagi')
+        Fabricate(:follow, account: account, target_account: remote_account)
+      end
+
       let(:exclude_follows) { false }
       let(:exclude_localusers) { false }
       let!(:filter) { Fabricate(:custom_filter, account: account, exclude_follows: exclude_follows, exclude_localusers: exclude_localusers) }
-      let!(:filter_keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter, keyword: 'ohagi') } # rubocop:disable RSpec/LetSetup
 
       it 'load statuses', :aggregate_failures do
         ids = subject
-        expect(ids).to exclude(local_status.id)
-        expect(ids).to exclude(remote_status.id)
+        expect(ids).to_not include(local_status.id)
+        expect(ids).to_not include(remote_status.id)
       end
 
       context 'when exclude_followers' do
@@ -56,7 +59,7 @@ describe Api::V1::Timelines::PublicController do
 
         it 'load statuses', :aggregate_failures do
           ids = subject
-          expect(ids).to exclude(local_status.id)
+          expect(ids).to_not include(local_status.id)
           expect(ids).to include(remote_status.id)
         end
       end
@@ -67,7 +70,7 @@ describe Api::V1::Timelines::PublicController do
         it 'load statuses', :aggregate_failures do
           ids = subject
           expect(ids).to include(local_status.id)
-          expect(ids).to exclude(remote_status.id)
+          expect(ids).to_not include(remote_status.id)
         end
       end
     end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index c54b08aec0..8c5072d883 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -2,8 +2,6 @@
 
 require 'rspec/retry'
 
-RSpec::Matchers.define_negated_matcher :exclude, :include
-
 if ENV['DISABLE_SIMPLECOV'] != 'true'
   require 'simplecov'
   SimpleCov.start 'rails' do