diff --git a/app/assets/javascripts/discourse/app/controllers/topic.js b/app/assets/javascripts/discourse/app/controllers/topic.js
index b5e7e400db..9d73b1b4bf 100644
--- a/app/assets/javascripts/discourse/app/controllers/topic.js
+++ b/app/assets/javascripts/discourse/app/controllers/topic.js
@@ -1424,6 +1424,12 @@ export default Controller.extend(bufferedProperty("model"), {
               .then(() => refresh({ id: data.id }));
             break;
           }
+          case "destroyed": {
+            postStream
+              .triggerDestroyedPost(data.id)
+              .then(() => refresh({ id: data.id }));
+            break;
+          }
           case "recovered": {
             postStream
               .triggerRecoveredPost(data.id)
diff --git a/app/assets/javascripts/discourse/app/models/post-stream.js b/app/assets/javascripts/discourse/app/models/post-stream.js
index d68c2cac41..42e5da69fe 100644
--- a/app/assets/javascripts/discourse/app/models/post-stream.js
+++ b/app/assets/javascripts/discourse/app/models/post-stream.js
@@ -737,6 +737,12 @@ export default RestModel.extend({
     return Promise.resolve();
   },
 
+  triggerDestroyedPost(postId) {
+    const existing = this._identityMap[postId];
+    this.removePosts([existing]);
+    return Promise.resolve();
+  },
+
   triggerChangedPost(postId, updatedAt, opts) {
     opts = opts || {};
 
diff --git a/app/assets/javascripts/discourse/app/models/topic-tracking-state.js b/app/assets/javascripts/discourse/app/models/topic-tracking-state.js
index ee02683517..4d209f5fee 100644
--- a/app/assets/javascripts/discourse/app/models/topic-tracking-state.js
+++ b/app/assets/javascripts/discourse/app/models/topic-tracking-state.js
@@ -6,6 +6,7 @@ import PreloadStore from "discourse/lib/preload-store";
 import Category from "discourse/models/category";
 import User from "discourse/models/user";
 import { deepEqual } from "discourse-common/lib/object";
+import DiscourseURL from "discourse/lib/url";
 
 function isNew(topic) {
   return (
@@ -148,6 +149,17 @@ const TopicTrackingState = EmberObject.extend({
       }
       tracker.incrementMessageCount();
     });
+
+    this.messageBus.subscribe("/destroy", (msg) => {
+      tracker.incrementMessageCount();
+      const currentRoute = DiscourseURL.router.currentRoute.parent;
+      if (
+        currentRoute.name === "topic" &&
+        parseInt(currentRoute.params.id, 10) === msg.topic_id
+      ) {
+        DiscourseURL.redirectTo("/");
+      }
+    });
   },
 
   mutedTopics() {
diff --git a/app/models/topic_tracking_state.rb b/app/models/topic_tracking_state.rb
index 9f8b5a66af..e018d96132 100644
--- a/app/models/topic_tracking_state.rb
+++ b/app/models/topic_tracking_state.rb
@@ -171,6 +171,17 @@ class TopicTrackingState
     MessageBus.publish("/delete", message.as_json, group_ids: group_ids)
   end
 
+  def self.publish_destroy(topic)
+    group_ids = topic.category && topic.category.secure_group_ids
+
+    message = {
+      topic_id: topic.id,
+      message_type: "destroy"
+    }
+
+    MessageBus.publish("/destroy", message.as_json, group_ids: group_ids)
+  end
+
   def self.publish_read(topic_id, last_read_post_number, user_id, notification_level = nil)
     highest_post_number = DB.query_single("SELECT highest_post_number FROM topics WHERE id = ?", topic_id).first
 
diff --git a/lib/post_destroyer.rb b/lib/post_destroyer.rb
index 0b569ff405..e5bff487bb 100644
--- a/lib/post_destroyer.rb
+++ b/lib/post_destroyer.rb
@@ -66,7 +66,7 @@ class PostDestroyer
 
     delete_removed_posts_after = @opts[:delete_removed_posts_after] || SiteSetting.delete_removed_posts_after
 
-    if delete_removed_posts_after < 1 || post_is_reviewable? || Guardian.new(@user).can_moderate_topic?(topic)
+    if delete_removed_posts_after < 1 || post_is_reviewable? || Guardian.new(@user).can_moderate_topic?(topic) || permanent?
       perform_delete
     elsif @user.id == @post.user_id
       mark_for_deletion(delete_removed_posts_after)
@@ -140,9 +140,10 @@ class PostDestroyer
 
   # When a post is properly deleted. Well, it's still soft deleted, but it will no longer
   # show up in the topic
+  # Permanent option allows to hard delete.
   def perform_delete
     Post.transaction do
-      @post.trash!(@user)
+      permanent? ? @post.destroy! : @post.trash!(@user)
       if @post.topic
         make_previous_post_the_last_one
         mark_topic_changed
@@ -162,7 +163,9 @@ class PostDestroyer
         end
       end
 
-      @post.topic.trash!(@user) if @post.topic && @post.is_first_post?
+      if @post.topic && @post.is_first_post?
+        permanent? ? @post.topic.destroy! : @post.topic.trash!(@user)
+      end
       update_associated_category_latest_topic
       update_user_counts
       TopicUser.update_post_action_cache(post_id: @post.id)
@@ -178,8 +181,12 @@ class PostDestroyer
 
     update_imap_sync(@post, true) if @post.topic&.deleted_at
     feature_users_in_the_topic if @post.topic
-    @post.publish_change_to_clients! :deleted if @post.topic
-    TopicTrackingState.publish_delete(@post.topic) if @post.topic && @post.post_number == 1
+    @post.publish_change_to_clients!(permanent? ? :destroyed : :deleted) if @post.topic
+    TopicTrackingState.send(permanent? ? :publish_destroy : :publish_delete, @post.topic) if @post.topic && @post.post_number == 1
+  end
+
+  def permanent?
+    @opts[:permanent] && @user == @post.user && @post.topic.private_message?
   end
 
   # When a user 'deletes' their own post. We just change the text.
diff --git a/lib/svg_sprite/svg_sprite.rb b/lib/svg_sprite/svg_sprite.rb
index 364e70aecb..be68b980f5 100644
--- a/lib/svg_sprite/svg_sprite.rb
+++ b/lib/svg_sprite/svg_sprite.rb
@@ -174,6 +174,7 @@ module SvgSprite
     "star",
     "step-backward",
     "step-forward",
+    "stopwatch",
     "stream",
     "sync-alt",
     "sync",
diff --git a/spec/components/post_destroyer_spec.rb b/spec/components/post_destroyer_spec.rb
index c6ac8e5dd7..be1f3aa9c2 100644
--- a/spec/components/post_destroyer_spec.rb
+++ b/spec/components/post_destroyer_spec.rb
@@ -961,4 +961,27 @@ describe PostDestroyer do
       expect(user.user_profile.reload.featured_topic).to eq(nil)
     end
   end
+
+  describe "permanent destroy" do
+    fab!(:private_message_topic) { Fabricate(:private_message_topic) }
+    fab!(:private_post) { Fabricate(:private_message_post, topic: private_message_topic) }
+    fab!(:reply) { Fabricate(:private_message_post, topic: private_message_topic) }
+    it "destroys the post and topic if deleting first post" do
+      PostDestroyer.new(reply.user, reply, permanent: true).destroy
+      expect { reply.reload }.to raise_error(ActiveRecord::RecordNotFound)
+      expect(private_message_topic.reload.persisted?).to be true
+
+      PostDestroyer.new(private_post.user, private_post, permanent: true).destroy
+      expect { private_post.reload }.to raise_error(ActiveRecord::RecordNotFound)
+      expect { private_message_topic.reload }.to raise_error(ActiveRecord::RecordNotFound)
+    end
+
+    it 'soft delete if not creator of post or not private message' do
+      PostDestroyer.new(moderator, reply, permanent: true).destroy
+      expect(reply.deleted_at).not_to eq(nil)
+
+      PostDestroyer.new(post.user, post, permanent: true).destroy
+      expect(post.user_deleted).to be true
+    end
+  end
 end