diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 34143a6791267db0bf6adb44f08969d70d505113..a990e9d18d99657b635d7d29af879843aebb0abd 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -914,25 +914,6 @@ RSpec/BeEq:
     - 'spec/workers/feed_insert_worker_spec.rb'
     - 'spec/workers/regeneration_worker_spec.rb'
 
-# Offense count: 22
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: be, be_nil
-RSpec/BeNil:
-  Exclude:
-    - 'spec/controllers/accounts_controller_spec.rb'
-    - 'spec/controllers/activitypub/collections_controller_spec.rb'
-    - 'spec/controllers/activitypub/outboxes_controller_spec.rb'
-    - 'spec/controllers/activitypub/replies_controller_spec.rb'
-    - 'spec/controllers/api/v1/apps_controller_spec.rb'
-    - 'spec/controllers/api/v1/statuses_controller_spec.rb'
-    - 'spec/controllers/instance_actors_controller_spec.rb'
-    - 'spec/controllers/statuses_controller_spec.rb'
-    - 'spec/models/account_statuses_cleanup_policy_spec.rb'
-    - 'spec/models/concerns/account_interactions_spec.rb'
-    - 'spec/models/session_activation_spec.rb'
-    - 'spec/models/user_spec.rb'
-
 # Offense count: 1
 RSpec/BeforeAfterAll:
   Exclude:
diff --git a/spec/controllers/accounts_controller_spec.rb b/spec/controllers/accounts_controller_spec.rb
index defa8b2d38d4b140a9d4e5ed677ee9c07998b743..db588156cb69ddc7488efebe6298382423bd234e 100644
--- a/spec/controllers/accounts_controller_spec.rb
+++ b/spec/controllers/accounts_controller_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe AccountsController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do
diff --git a/spec/controllers/activitypub/collections_controller_spec.rb b/spec/controllers/activitypub/collections_controller_spec.rb
index f78d9abbf037963fd090a30493f5bedd01d2daef..4e35938dba699d3410af72abc378e59196482c6d 100644
--- a/spec/controllers/activitypub/collections_controller_spec.rb
+++ b/spec/controllers/activitypub/collections_controller_spec.rb
@@ -10,7 +10,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do
diff --git a/spec/controllers/activitypub/outboxes_controller_spec.rb b/spec/controllers/activitypub/outboxes_controller_spec.rb
index 74bf46a5eb1e4291c291342ee46c07de56dd372f..d8d42b7ae07c01eae732f9b1d75c9efc60a1f50c 100644
--- a/spec/controllers/activitypub/outboxes_controller_spec.rb
+++ b/spec/controllers/activitypub/outboxes_controller_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do
diff --git a/spec/controllers/activitypub/replies_controller_spec.rb b/spec/controllers/activitypub/replies_controller_spec.rb
index aee1a8b1ad949f4ce0a5f7d544cd07a1531ce706..394d4baabea7d4739ec58281202ac291aaafc96b 100644
--- a/spec/controllers/activitypub/replies_controller_spec.rb
+++ b/spec/controllers/activitypub/replies_controller_spec.rb
@@ -11,7 +11,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do
diff --git a/spec/controllers/api/v1/apps_controller_spec.rb b/spec/controllers/api/v1/apps_controller_spec.rb
index 70cd62d48285197010ed22c9522a86c065421a37..9ac7880a4ab261e5df429ddf0580dc16bc18963b 100644
--- a/spec/controllers/api/v1/apps_controller_spec.rb
+++ b/spec/controllers/api/v1/apps_controller_spec.rb
@@ -28,7 +28,7 @@ RSpec.describe Api::V1::AppsController, type: :controller do
       end
 
       it 'creates an OAuth app' do
-        expect(Doorkeeper::Application.find_by(name: client_name)).to_not be nil
+        expect(Doorkeeper::Application.find_by(name: client_name)).to_not be_nil
       end
 
       it 'returns client ID and client secret' do
diff --git a/spec/controllers/api/v1/statuses_controller_spec.rb b/spec/controllers/api/v1/statuses_controller_spec.rb
index bd8b8013a68ee7e0bf4aee60ca7ae69599acd41f..e4e6e172acdb23597db63f801d867c6a4fa81131 100644
--- a/spec/controllers/api/v1/statuses_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses_controller_spec.rb
@@ -195,7 +195,7 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
       end
 
       it 'removes the status' do
-        expect(Status.find_by(id: status.id)).to be nil
+        expect(Status.find_by(id: status.id)).to be_nil
       end
     end
 
diff --git a/spec/controllers/instance_actors_controller_spec.rb b/spec/controllers/instance_actors_controller_spec.rb
index f64a7d2ca34a9fa15340783513370659024b506b..833539a76d8c5cf7f15820e542ea1cdcead7f5cd 100644
--- a/spec/controllers/instance_actors_controller_spec.rb
+++ b/spec/controllers/instance_actors_controller_spec.rb
@@ -20,7 +20,7 @@ RSpec.describe InstanceActorsController, type: :controller do
 
         it 'does not set cookies' do
           expect(response.cookies).to be_empty
-          expect(response.headers['Set-Cookies']).to be nil
+          expect(response.headers['Set-Cookies']).to be_nil
         end
 
         it 'does not set sessions' do
diff --git a/spec/controllers/statuses_controller_spec.rb b/spec/controllers/statuses_controller_spec.rb
index 6ed5d4bbb6ce080c98bffb8f5bb9f419da8a1c6d..c8b503d6836ffd169d70fe5070b023a3074535ee 100644
--- a/spec/controllers/statuses_controller_spec.rb
+++ b/spec/controllers/statuses_controller_spec.rb
@@ -8,7 +8,7 @@ describe StatusesController do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do
diff --git a/spec/models/account_statuses_cleanup_policy_spec.rb b/spec/models/account_statuses_cleanup_policy_spec.rb
index b01321a205a62760401c6e03c14a9acc8f36b0f9..684a1aa412cdcd04edce3081893aeeb996e9445c 100644
--- a/spec/models/account_statuses_cleanup_policy_spec.rb
+++ b/spec/models/account_statuses_cleanup_policy_spec.rb
@@ -35,61 +35,61 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
       it 'invalidates last_inspected when widened because of keep_direct' do
         account_statuses_cleanup_policy.keep_direct = false
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of keep_pinned' do
         account_statuses_cleanup_policy.keep_pinned = false
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of keep_polls' do
         account_statuses_cleanup_policy.keep_polls = false
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of keep_media' do
         account_statuses_cleanup_policy.keep_media = false
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of keep_self_fav' do
         account_statuses_cleanup_policy.keep_self_fav = false
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of keep_self_bookmark' do
         account_statuses_cleanup_policy.keep_self_bookmark = false
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of higher min_favs' do
         account_statuses_cleanup_policy.min_favs = 5
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of disabled min_favs' do
         account_statuses_cleanup_policy.min_favs = nil
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of higher min_reblogs' do
         account_statuses_cleanup_policy.min_reblogs = 5
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
 
       it 'invalidates last_inspected when widened because of disable min_reblogs' do
         account_statuses_cleanup_policy.min_reblogs = nil
         account_statuses_cleanup_policy.save
-        expect(account_statuses_cleanup_policy.last_inspected).to be nil
+        expect(account_statuses_cleanup_policy.last_inspected).to be_nil
       end
     end
 
diff --git a/spec/models/concerns/account_interactions_spec.rb b/spec/models/concerns/account_interactions_spec.rb
index 1d1898ab0cac4b990a194fae157d1cf3898492c4..5cb4a83f7175293d435b8d151c3a0c48cded7f3a 100644
--- a/spec/models/concerns/account_interactions_spec.rb
+++ b/spec/models/concerns/account_interactions_spec.rb
@@ -317,7 +317,7 @@ describe AccountInteractions do
 
     context 'not muting the conversation' do
       it 'returns nil' do
-        is_expected.to be nil
+        is_expected.to be_nil
       end
     end
   end
diff --git a/spec/models/session_activation_spec.rb b/spec/models/session_activation_spec.rb
index 8db06c6227a0295bd6f96e0e3ab2d22430f96c48..5c3d285cb294e7bd99e7df645fb4da323769bca6 100644
--- a/spec/models/session_activation_spec.rb
+++ b/spec/models/session_activation_spec.rb
@@ -44,7 +44,7 @@ RSpec.describe SessionActivation, type: :model do
       let(:id) { nil }
 
       it 'returns nil' do
-        is_expected.to be nil
+        is_expected.to be_nil
       end
     end
 
@@ -89,7 +89,7 @@ RSpec.describe SessionActivation, type: :model do
       let(:id) { nil }
 
       it 'returns nil' do
-        expect(described_class.deactivate(id)).to be nil
+        expect(described_class.deactivate(id)).to be_nil
       end
     end
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 4b3d6101fd1b70fad7b5bc3f53b93688869e3399..1f2ab77dc7edacce8ef4c4de91a9da9103b4fcee 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -285,7 +285,7 @@ RSpec.describe User, type: :model do
     it 'saves nil for otp_secret' do
       user = Fabricate.build(:user, otp_secret: 'oldotpcode')
       user.disable_two_factor!
-      expect(user.reload.otp_secret).to be nil
+      expect(user.reload.otp_secret).to be_nil
     end
 
     it 'saves cleared otp_backup_codes' do