diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index bef79e451..b62dfa72a 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -81,9 +81,6 @@ Rails/WhereExists:
     - 'app/lib/delivery_failure_tracker.rb'
     - 'app/lib/feed_manager.rb'
     - 'app/lib/suspicious_sign_in_detector.rb'
-    - 'app/models/poll.rb'
-    - 'app/models/session_activation.rb'
-    - 'app/models/status.rb'
     - 'app/policies/status_policy.rb'
     - 'app/serializers/rest/announcement_serializer.rb'
     - 'app/workers/move_worker.rb'
diff --git a/app/models/poll.rb b/app/models/poll.rb
index 37149c3d8..cc4184f80 100644
--- a/app/models/poll.rb
+++ b/app/models/poll.rb
@@ -57,7 +57,7 @@ class Poll < ApplicationRecord
   end
 
   def voted?(account)
-    account.id == account_id || votes.where(account: account).exists?
+    account.id == account_id || votes.exists?(account: account)
   end
 
   def own_votes(account)
diff --git a/app/models/session_activation.rb b/app/models/session_activation.rb
index 7f5f0d9a9..c67180d3b 100644
--- a/app/models/session_activation.rb
+++ b/app/models/session_activation.rb
@@ -41,7 +41,7 @@ class SessionActivation < ApplicationRecord
 
   class << self
     def active?(id)
-      id && where(session_id: id).exists?
+      id && exists?(session_id: id)
     end
 
     def activate(**options)
diff --git a/app/models/status.rb b/app/models/status.rb
index 9a2169f99..e3d41cced 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -263,7 +263,7 @@ class Status < ApplicationRecord
   end
 
   def reported?
-    @reported ||= Report.where(target_account: account).unresolved.where('? = ANY(status_ids)', id).exists?
+    @reported ||= Report.where(target_account: account).unresolved.exists?(['? = ANY(status_ids)', id])
   end
 
   def emojis