Switched to id_not_in

ee/app/models/ee/epic.rb

@@ -95,7 +95,6 @@ module EE
       scope :due_date_inherited, -> { where(due_date_is_fixed: [nil, false]) }
 
       scope :counts_by_state, -> { group(:state_id).count }
-      scope :excluding_ids, ->(ids) { where.not(id: ids) }
 
       MAX_HIERARCHY_DEPTH = 5
 

ee/app/models/ee/issue.rb

@@ -21,7 +21,7 @@ module EE
 
       scope :in_epics, ->(epics) do
         issue_ids = EpicIssue.where(epic_id: epics).select(:issue_id)
-        where(id: issue_ids)
+        id_in(issue_ids)
       end
 
       has_one :epic_issue

ee/app/services/epics/descendant_count_service.rb

@@ -31,7 +31,7 @@ module Epics
 
     def epics_count
       strong_memoize(:epics_count) do
-        accessible_epics.excluding_ids([epic.id]).counts_by_state
+        accessible_epics.id_not_in(epic.id).counts_by_state
       end
     end