diff --git a/app/services/agents/destroy_service.rb b/app/services/agents/destroy_service.rb
index b306dfb01..3bac64282 100644
--- a/app/services/agents/destroy_service.rb
+++ b/app/services/agents/destroy_service.rb
@@ -6,6 +6,7 @@ class Agents::DestroyService
       destroy_notification_setting
       remove_user_from_teams
       remove_user_from_inboxes
+      unassign_conversations
     end
   end
 
@@ -27,4 +28,8 @@ class Agents::DestroyService
     setting = user.notification_settings.find_by(account_id: account.id)
     setting&.destroy!
   end
+
+  def unassign_conversations
+    user.assigned_conversations.where(account: account).find_each(&:update_assignee)
+  end
 end
diff --git a/spec/services/agents/destroy_service_spec.rb b/spec/services/agents/destroy_service_spec.rb
index 4a3cb6e91..f3aa24607 100644
--- a/spec/services/agents/destroy_service_spec.rb
+++ b/spec/services/agents/destroy_service_spec.rb
@@ -9,15 +9,17 @@ describe Agents::DestroyService do
   before do
     create(:team_member, team: team1, user: user)
     create(:inbox_member, inbox: inbox, user: user)
+    create(:conversation, account: account, assignee: user, inbox: inbox)
   end
 
   describe '#perform' do
-    it 'remove inboxes and teams when removed from account' do
+    it 'remove inboxes, teams, and conversations when removed from account' do
       described_class.new(account: account, user: user).perform
       user.reload
       expect(user.teams.length).to eq 0
       expect(user.inboxes.length).to eq 0
       expect(user.notification_settings.length).to eq 0
+      expect(user.assigned_conversations.where(account: account).length).to eq 0
     end
   end
 end