diff --git a/app/controllers/discourse_assign/assign_controller.rb b/app/controllers/discourse_assign/assign_controller.rb
index 93a6a62..8e141ab 100644
--- a/app/controllers/discourse_assign/assign_controller.rb
+++ b/app/controllers/discourse_assign/assign_controller.rb
@@ -78,12 +78,6 @@ module DiscourseAssign
       end
     end
 
-    def unassign_all
-      user = User.find_by(id: params[:user_id])
-      TopicAssigner.unassign_all(user, current_user)
-      render json: success_json
-    end
-
     private
 
     def translate_failure(reason, user)
diff --git a/assets/javascripts/discourse-assign/controllers/user-activity-assigned.js.es6 b/assets/javascripts/discourse-assign/controllers/user-activity-assigned.js.es6
index b87b23d..02ffd8b 100644
--- a/assets/javascripts/discourse-assign/controllers/user-activity-assigned.js.es6
+++ b/assets/javascripts/discourse-assign/controllers/user-activity-assigned.js.es6
@@ -6,28 +6,7 @@ export default UserTopicsList.extend({
   user: Ember.inject.controller(),
   taskActions: Ember.inject.service(),
 
-  @computed("model.topics")
-  canUnassignAll(topics) {
-    return topics && topics.length && this.currentUser.get("staff");
-  },
-
   actions: {
-    unassignAll() {
-      let user = this.get("user.model");
-      bootbox.confirm(
-        I18n.t("discourse_assign.unassign_all.confirm", {
-          username: user.get("username")
-        }),
-        value => {
-          if (value) {
-            ajax("/assign/unassign-all", {
-              type: "PUT",
-              data: { user_id: user.get("id") }
-            }).then(() => this.send("changeAssigned"));
-          }
-        }
-      );
-    },
     unassign(topic) {
       this.get("taskActions")
         .unassign(topic.get("id"))
diff --git a/assets/javascripts/discourse/templates/user-activity-assigned.hbs b/assets/javascripts/discourse/templates/user-activity-assigned.hbs
index 8728c39..c24cd68 100644
--- a/assets/javascripts/discourse/templates/user-activity-assigned.hbs
+++ b/assets/javascripts/discourse/templates/user-activity-assigned.hbs
@@ -1,11 +1 @@
-<div class='assign-controls'>
-  {{#if canUnassignAll}}
-    {{d-button
-      action=(action "unassignAll")
-      class="btn-default"
-      icon="times"
-      label="discourse_assign.unassign_all.title"}}
-  {{/if}}
-</div>
-
 {{outlet}}
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index e7a6e11..1d1cfaf 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -9,9 +9,6 @@ en:
       assigned: "Assigned"
       assigned_to: "Assigned to"
       assign_notification: "<p><span>{{username}}</span> {{description}}</p>"
-      unassign_all:
-        title: "Unassign All"
-        confirm: "Are you sure you want to unassign all topics from {{username}}?"
       unassign:
         title: "Unassign"
         help: "Unassign Topic"
diff --git a/config/routes.rb b/config/routes.rb
index f67c1b0..766057d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -4,6 +4,5 @@ DiscourseAssign::Engine.routes.draw do
   put "/claim/:topic_id" => "assign#claim"
   put "/assign" => "assign#assign"
   put "/unassign" => "assign#unassign"
-  put "/unassign-all" => "assign#unassign_all"
   get "/suggestions" => "assign#suggestions"
 end
diff --git a/jobs/unassign_bulk.rb b/jobs/unassign_bulk.rb
deleted file mode 100644
index 1a98531..0000000
--- a/jobs/unassign_bulk.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-module Jobs
-  class UnassignBulk < Jobs::Base
-    def execute(args)
-      assigned_by = User.find(args[:assigned_by_id])
-      Topic.where(id: args[:topic_ids]).each do |t|
-        TopicAssigner.new(t, assigned_by).unassign
-      end
-    end
-  end
-end
diff --git a/lib/topic_assigner.rb b/lib/topic_assigner.rb
index 181212a..9eee36f 100644
--- a/lib/topic_assigner.rb
+++ b/lib/topic_assigner.rb
@@ -7,24 +7,6 @@ class ::TopicAssigner
   ASSIGNED_TO_ID = 'assigned_to_id'
   ASSIGNED_BY_ID = 'assigned_by_id'
 
-  def self.unassign_all(user, assigned_by)
-    topic_ids = TopicCustomField.where(name: ASSIGNED_TO_ID, value: user.id).pluck(:topic_id)
-
-    # Fast path: by doing this we can instantly refresh for the user showing no assigned topics
-    # while doing the "full" removal asynchronously.
-    TopicCustomField.where(
-      name: [ASSIGNED_TO_ID, ASSIGNED_BY_ID],
-      topic_id: topic_ids
-    ).delete_all
-
-    Jobs.enqueue(
-      :unassign_bulk,
-      user_id: user.id,
-      assigned_by_id: assigned_by.id,
-      topic_ids: topic_ids
-    )
-  end
-
   def self.backfill_auto_assign
     staff_mention = User.where('moderator OR admin')
       .pluck('username')
diff --git a/plugin.rb b/plugin.rb
index a224f73..6ad4bb8 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -24,7 +24,6 @@ Discourse::Application.routes.append do
 end
 
 after_initialize do
-  require File.expand_path('../jobs/unassign_bulk.rb', __FILE__)
   require File.expand_path('../jobs/scheduled/enqueue_reminders.rb', __FILE__)
   require File.expand_path('../jobs/regular/remind_user.rb', __FILE__)
   require 'topic_assigner'
diff --git a/spec/lib/topic_assigner_spec.rb b/spec/lib/topic_assigner_spec.rb
index b2b7da9..30ce5b2 100644
--- a/spec/lib/topic_assigner_spec.rb
+++ b/spec/lib/topic_assigner_spec.rb
@@ -85,12 +85,6 @@ RSpec.describe TopicAssigner do
         .to eq(TopicUser.notification_levels[:muted])
     end
 
-    it "can unassign all a user's topics at once" do
-      assigner.assign(moderator)
-      TopicAssigner.unassign_all(moderator, moderator)
-      expect(TopicQuery.new(moderator, assigned: moderator.username).list_latest.topics).to be_blank
-    end
-
     context "when assigns_by_staff_mention is set to true" do
       let(:system_user) { Discourse.system_user }
       let(:moderator) { Fabricate(:admin, username: "modi") }