diff --git a/assets/js/boorujs.js b/assets/js/boorujs.js
index 9d8a71c6..86d9901b 100644
--- a/assets/js/boorujs.js
+++ b/assets/js/boorujs.js
@@ -52,6 +52,13 @@ const actions = {
     addTag(document.querySelector(data.el.closest('[data-target]').dataset.target), data.el.dataset.tagName);
   },
 
+  hideParent(data) {
+    const base = data.el.closest(data.value);
+    if (base) {
+      base.classList.add('hidden');
+    }
+  },
+
   tab(data) {
     const block = data.el.parentNode.parentNode,
           newTab = $(`.block__tab[data-tab="${data.value}"]`),
diff --git a/lib/philomena/channels.ex b/lib/philomena/channels.ex
index 2ffd4ce4..efa6d47c 100644
--- a/lib/philomena/channels.ex
+++ b/lib/philomena/channels.ex
@@ -12,6 +12,7 @@ defmodule Philomena.Channels do
   alias Philomena.Tags
 
   use Philomena.Subscriptions,
+    on_delete: :clear_channel_notification,
     id_name: :channel_id
 
   @doc """
diff --git a/lib/philomena/comments.ex b/lib/philomena/comments.ex
index d6a73806..33c7c9a7 100644
--- a/lib/philomena/comments.ex
+++ b/lib/philomena/comments.ex
@@ -74,14 +74,12 @@ defmodule Philomena.Comments do
   end
 
   def perform_notify(comment_id) do
-    comment = get_comment!(comment_id)
-
-    image =
-      comment
-      |> Repo.preload(:image)
-      |> Map.fetch!(:image)
+    comment =
+      comment_id
+      |> get_comment!()
+      |> Repo.preload([:user, :image])
 
-    Notifications.create_image_comment_notification(image, comment)
+    Notifications.create_image_comment_notification(comment.user, comment.image, comment)
   end
 
   @doc """
diff --git a/lib/philomena/galleries.ex b/lib/philomena/galleries.ex
index 4c76df35..c553ad3e 100644
--- a/lib/philomena/galleries.ex
+++ b/lib/philomena/galleries.ex
@@ -19,6 +19,7 @@ defmodule Philomena.Galleries do
   alias Philomena.Images
 
   use Philomena.Subscriptions,
+    on_delete: :clear_gallery_notification,
     id_name: :gallery_id
 
   @doc """
diff --git a/lib/philomena/images.ex b/lib/philomena/images.ex
index 43c769c2..c21d2685 100644
--- a/lib/philomena/images.ex
+++ b/lib/philomena/images.ex
@@ -40,6 +40,7 @@ defmodule Philomena.Images do
   alias Philomena.Games.{Player, Team}
 
   use Philomena.Subscriptions,
+    on_delete: :clear_image_notification,
     id_name: :image_id
 
   @doc """
diff --git a/lib/philomena/notifications.ex b/lib/philomena/notifications.ex
index cbed7413..baf2f8be 100644
--- a/lib/philomena/notifications.ex
+++ b/lib/philomena/notifications.ex
@@ -78,7 +78,13 @@ defmodule Philomena.Notifications do
 
   """
   def create_channel_live_notification(channel) do
-    Creator.create_single(ChannelSubscription, ChannelLiveNotification, :channel_id, channel)
+    Creator.create_single(
+      where(ChannelSubscription, channel_id: ^channel.id),
+      ChannelLiveNotification,
+      nil,
+      :channel_id,
+      channel
+    )
   end
 
   @doc """
@@ -86,14 +92,15 @@ defmodule Philomena.Notifications do
 
   ## Examples
 
-      iex> create_forum_post_notification(topic, post)
+      iex> create_forum_post_notification(user, topic, post)
       {:ok, 2}
 
   """
-  def create_forum_post_notification(topic, post) do
+  def create_forum_post_notification(user, topic, post) do
     Creator.create_double(
-      TopicSubscription,
+      where(TopicSubscription, topic_id: ^topic.id),
       ForumPostNotification,
+      user,
       :topic_id,
       topic,
       :post_id,
@@ -106,12 +113,18 @@ defmodule Philomena.Notifications do
 
   ## Examples
 
-      iex> create_forum_topic_notification(topic)
+      iex> create_forum_topic_notification(user, topic)
       {:ok, 2}
 
   """
-  def create_forum_topic_notification(topic) do
-    Creator.create_single(ForumSubscription, ForumTopicNotification, :topic_id, topic)
+  def create_forum_topic_notification(user, topic) do
+    Creator.create_single(
+      where(ForumSubscription, forum_id: ^topic.forum_id),
+      ForumTopicNotification,
+      user,
+      :topic_id,
+      topic
+    )
   end
 
   @doc """
@@ -124,7 +137,13 @@ defmodule Philomena.Notifications do
 
   """
   def create_gallery_image_notification(gallery) do
-    Creator.create_single(GallerySubscription, GalleryImageNotification, :gallery_id, gallery)
+    Creator.create_single(
+      where(GallerySubscription, gallery_id: ^gallery.id),
+      GalleryImageNotification,
+      nil,
+      :gallery_id,
+      gallery
+    )
   end
 
   @doc """
@@ -132,14 +151,15 @@ defmodule Philomena.Notifications do
 
   ## Examples
 
-      iex> create_image_comment_notification(image, comment)
+      iex> create_image_comment_notification(user, image, comment)
       {:ok, 2}
 
   """
-  def create_image_comment_notification(image, comment) do
+  def create_image_comment_notification(user, image, comment) do
     Creator.create_double(
-      ImageSubscription,
+      where(ImageSubscription, image_id: ^image.id),
       ImageCommentNotification,
+      user,
       :image_id,
       image,
       :comment_id,
@@ -158,8 +178,9 @@ defmodule Philomena.Notifications do
   """
   def create_image_merge_notification(target, source) do
     Creator.create_double(
-      ImageSubscription,
+      where(ImageSubscription, image_id: ^target.id),
       ImageMergeNotification,
+      nil,
       :target_id,
       target,
       :source_id,
diff --git a/lib/philomena/notifications/creator.ex b/lib/philomena/notifications/creator.ex
index 5a04b724..ee4fec6a 100644
--- a/lib/philomena/notifications/creator.ex
+++ b/lib/philomena/notifications/creator.ex
@@ -22,13 +22,19 @@ defmodule Philomena.Notifications.Creator do
 
   ## Example
 
-      iex> create_single(GallerySubscription, GalleryImageNotification, :gallery_id, gallery)
+      iex> create_single(
+      ...>   where(GallerySubscription, gallery_id: ^gallery.id),
+      ...>   GalleryImageNotification,
+      ...>   nil,
+      ...>   :gallery_id,
+      ...>   gallery
+      ...> )
       {:ok, 2}
 
   """
-  def create_single(subscription, notification, name, object) do
+  def create_single(subscription, notification, user, name, object) do
     subscription
-    |> create_notification_query(name, object)
+    |> create_notification_query(user, name, object)
     |> create_notification(notification, name)
   end
 
@@ -43,8 +49,9 @@ defmodule Philomena.Notifications.Creator do
   ## Example
 
       iex> create_double(
-      ...>   ImageSubscription,
+      ...>   where(ImageSubscription, image_id: ^image.id),
       ...>   ImageCommentNotification,
+      ...>   user,
       ...>   :image_id,
       ...>   image,
       ...>   :comment_id,
@@ -53,9 +60,9 @@ defmodule Philomena.Notifications.Creator do
       {:ok, 2}
 
   """
-  def create_double(subscription, notification, name1, object1, name2, object2) do
+  def create_double(subscription, notification, user, name1, object1, name2, object2) do
     subscription
-    |> create_notification_query(name1, object1, name2, object2)
+    |> create_notification_query(user, name1, object1, name2, object2)
     |> create_notification(notification, name1)
   end
 
@@ -80,11 +87,10 @@ defmodule Philomena.Notifications.Creator do
   # TODO: the following cannot be accomplished with a single query expression
   # due to this Ecto bug: https://github.com/elixir-ecto/ecto/issues/4430
 
-  defp create_notification_query(subscription, name, object) do
+  defp create_notification_query(subscription, user, name, object) do
     now = DateTime.utc_now(:second)
 
-    from s in subscription,
-      where: field(s, ^name) == ^object.id,
+    from s in subscription_query(subscription, user),
       select: %{
         ^name => type(^object.id, :integer),
         user_id: s.user_id,
@@ -94,11 +100,10 @@ defmodule Philomena.Notifications.Creator do
       }
   end
 
-  defp create_notification_query(subscription, name1, object1, name2, object2) do
+  defp create_notification_query(subscription, user, name1, object1, name2, object2) do
     now = DateTime.utc_now(:second)
 
-    from s in subscription,
-      where: field(s, ^name1) == ^object1.id,
+    from s in subscription_query(subscription, user),
       select: %{
         ^name1 => type(^object1.id, :integer),
         ^name2 => type(^object2.id, :integer),
@@ -109,6 +114,19 @@ defmodule Philomena.Notifications.Creator do
       }
   end
 
+  defp subscription_query(subscription, user) do
+    case user do
+      %{id: user_id} ->
+        # Avoid sending notifications to the user which performed the action.
+        from s in subscription,
+          where: s.user_id != ^user_id
+
+      _ ->
+        # When not created by a user, send notifications to all subscribers.
+        subscription
+    end
+  end
+
   defp create_notification(query, notification, name) do
     {count, nil} =
       Repo.insert_all(
diff --git a/lib/philomena/posts.ex b/lib/philomena/posts.ex
index 645d3f68..17ed9485 100644
--- a/lib/philomena/posts.ex
+++ b/lib/philomena/posts.ex
@@ -123,14 +123,12 @@ defmodule Philomena.Posts do
   end
 
   def perform_notify(post_id) do
-    post = get_post!(post_id)
+    post =
+      post_id
+      |> get_post!()
+      |> Repo.preload([:user, :topic])
 
-    topic =
-      post
-      |> Repo.preload(:topic)
-      |> Map.fetch!(:topic)
-
-    Notifications.create_forum_post_notification(topic, post)
+    Notifications.create_forum_post_notification(post.user, post.topic, post)
   end
 
   @doc """
diff --git a/lib/philomena/subscriptions.ex b/lib/philomena/subscriptions.ex
index 8e67183f..d0688107 100644
--- a/lib/philomena/subscriptions.ex
+++ b/lib/philomena/subscriptions.ex
@@ -25,6 +25,18 @@ defmodule Philomena.Subscriptions do
     # For Philomena.Images, this yields :image_id
     field_name = Keyword.fetch!(opts, :id_name)
 
+    # Deletion callback
+    on_delete =
+      case Keyword.get(opts, :on_delete) do
+        nil ->
+          []
+
+        callback when is_atom(callback) ->
+          quote do
+            apply(__MODULE__, unquote(callback), [object, user])
+          end
+      end
+
     # For Philomena.Images, this yields Philomena.Images.Subscription
     subscription_module = Module.concat(__CALLER__.module, Subscription)
 
@@ -100,6 +112,8 @@ defmodule Philomena.Subscriptions do
 
       """
       def delete_subscription(object, user) do
+        unquote(on_delete)
+
         Philomena.Subscriptions.delete_subscription(
           unquote(subscription_module),
           unquote(field_name),
diff --git a/lib/philomena/topics.ex b/lib/philomena/topics.ex
index 3ff4aba5..e1e5af29 100644
--- a/lib/philomena/topics.ex
+++ b/lib/philomena/topics.ex
@@ -14,6 +14,7 @@ defmodule Philomena.Topics do
   alias Philomena.NotificationWorker
 
   use Philomena.Subscriptions,
+    on_delete: :clear_topic_notification,
     id_name: :topic_id
 
   @doc """
@@ -91,9 +92,12 @@ defmodule Philomena.Topics do
   end
 
   def perform_notify([topic_id, _post_id]) do
-    topic = get_topic!(topic_id)
+    topic =
+      topic_id
+      |> get_topic!()
+      |> Repo.preload(:user)
 
-    Notifications.create_forum_topic_notification(topic)
+    Notifications.create_forum_topic_notification(topic.user, topic)
   end
 
   @doc """
diff --git a/lib/philomena_web/templates/notification/_channel.html.slime b/lib/philomena_web/templates/notification/_channel.html.slime
index 0c4c5b73..c22299db 100644
--- a/lib/philomena_web/templates/notification/_channel.html.slime
+++ b/lib/philomena_web/templates/notification/_channel.html.slime
@@ -7,8 +7,8 @@
     => pretty_time @notification.updated_at
 
 .flex.flex--centered.flex--no-wrap
-  a.button.button--separate-right title="Delete" href=~p"/channels/#{@notification.channel}/read" data-method="post" data-remote="true"
+  a.button.button--separate-right title="Delete" href=~p"/channels/#{@notification.channel}/read" data-method="post" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-trash
 
-  a.button title="Unsubscribe" href=~p"/channels/#{@notification.channel}/subscription" data-method="delete" data-remote="true"
+  a.button title="Unsubscribe" href=~p"/channels/#{@notification.channel}/subscription" data-method="delete" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-bell-slash
diff --git a/lib/philomena_web/templates/notification/_comment.html.slime b/lib/philomena_web/templates/notification/_comment.html.slime
index 4e9efeb6..076ccb34 100644
--- a/lib/philomena_web/templates/notification/_comment.html.slime
+++ b/lib/philomena_web/templates/notification/_comment.html.slime
@@ -15,8 +15,8 @@
     => pretty_time @notification.updated_at
 
 .flex.flex--centered.flex--no-wrap
-  a.button.button--separate-right title="Delete" href=~p"/images/#{image}/read" data-method="post" data-remote="true"
+  a.button.button--separate-right title="Delete" href=~p"/images/#{image}/read" data-method="post" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-trash
 
-  a.button title="Unsubscribe" href=~p"/images/#{image}/subscription" data-method="delete" data-remote="true"
+  a.button title="Unsubscribe" href=~p"/images/#{image}/subscription" data-method="delete" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-bell-slash
diff --git a/lib/philomena_web/templates/notification/_gallery.html.slime b/lib/philomena_web/templates/notification/_gallery.html.slime
index 0192b449..8ef024d0 100644
--- a/lib/philomena_web/templates/notification/_gallery.html.slime
+++ b/lib/philomena_web/templates/notification/_gallery.html.slime
@@ -11,8 +11,8 @@
     => pretty_time @notification.updated_at
 
 .flex.flex--centered.flex--no-wrap
-  a.button.button--separate-right title="Delete" href=~p"/galleries/#{gallery}/read" data-method="post" data-remote="true"
+  a.button.button--separate-right title="Delete" href=~p"/galleries/#{gallery}/read" data-method="post" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-trash
 
-  a.button title="Unsubscribe" href=~p"/galleries/#{gallery}/subscription" data-method="delete" data-remote="true"
+  a.button title="Unsubscribe" href=~p"/galleries/#{gallery}/subscription" data-method="delete" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-bell-slash
diff --git a/lib/philomena_web/templates/notification/_image.html.slime b/lib/philomena_web/templates/notification/_image.html.slime
index 01f72dd9..dcfad4eb 100644
--- a/lib/philomena_web/templates/notification/_image.html.slime
+++ b/lib/philomena_web/templates/notification/_image.html.slime
@@ -17,8 +17,8 @@
     => pretty_time @notification.updated_at
 
 .flex.flex--centered.flex--no-wrap
-  a.button.button--separate-right title="Delete" href=~p"/images/#{target}/read" data-method="post" data-remote="true"
+  a.button.button--separate-right title="Delete" href=~p"/images/#{target}/read" data-method="post" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-trash
 
-  a.button title="Unsubscribe" href=~p"/images/#{target}/subscription" data-method="delete" data-remote="true"
+  a.button title="Unsubscribe" href=~p"/images/#{target}/subscription" data-method="delete" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-bell-slash
diff --git a/lib/philomena_web/templates/notification/_post.html.slime b/lib/philomena_web/templates/notification/_post.html.slime
index bac4acb9..f0dc0b66 100644
--- a/lib/philomena_web/templates/notification/_post.html.slime
+++ b/lib/philomena_web/templates/notification/_post.html.slime
@@ -12,8 +12,8 @@
     => pretty_time @notification.updated_at
 
 .flex.flex--centered.flex--no-wrap
-  a.button.button--separate-right title="Delete" href=~p"/forums/#{topic.forum}/topics/#{topic}/read" data-method="post" data-remote="true"
+  a.button.button--separate-right title="Delete" href=~p"/forums/#{topic.forum}/topics/#{topic}/read" data-method="post" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-trash
 
-  a.button title="Unsubscribe" href=~p"/forums/#{topic.forum}/topics/#{topic}/subscription" data-method="delete" data-remote="true"
+  a.button title="Unsubscribe" href=~p"/forums/#{topic.forum}/topics/#{topic}/subscription" data-method="delete" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-bell-slash
diff --git a/lib/philomena_web/templates/notification/_topic.html.slime b/lib/philomena_web/templates/notification/_topic.html.slime
index cf2bd5df..37f6786d 100644
--- a/lib/philomena_web/templates/notification/_topic.html.slime
+++ b/lib/philomena_web/templates/notification/_topic.html.slime
@@ -16,8 +16,5 @@
     => pretty_time @notification.updated_at
 
 .flex.flex--centered.flex--no-wrap
-  a.button.button--separate-right title="Delete" href=~p"/forums/#{forum}/topics/#{topic}/read" data-method="post" data-remote="true"
+  a.button.button--separate-right title="Delete" href=~p"/forums/#{forum}/topics/#{topic}/read" data-method="post" data-remote="true" data-click-hideparent=".notification"
     i.fa.fa-trash
-
-  a.button title="Unsubscribe" href=~p"/forums/#{forum}/subscription" data-method="delete" data-remote="true"
-    i.fa.fa-bell-slash