A partial is clearer than a helper here

app/helpers/notifications_helper.rb

@@ -1,8 +1,4 @@
 module NotificationsHelper
-  def notification_tray
-    notification_stream_tag + notification_tray_tag
-  end
-
   def notification_tag(notification, &)
     link_to notification.resource, id: dom_id(notification), class: "notification",
       data: {
@@ -11,15 +7,4 @@ module NotificationsHelper
         notifications__readings_url_param: notification_readings_url(notification)
       }, &
   end
-
-  private
-    def notification_stream_tag
-      turbo_stream_from Current.user, :notifications
-    end
-
-    def notification_tray_tag
-      tag.div id: "notification-tray", class: "notification-tray", data: { turbo_permanent: true, controller: "notifications--readings" } do
-        turbo_frame_tag("notifications", src: notifications_path)
-      end
-    end
 end

app/views/bubbles/index.html.erb

@@ -51,4 +51,4 @@
   </ul>
 </section>
 
-<%= notification_tray %>
+<%= render "notifications/tray" %>

app/views/bubbles/show.html.erb

@@ -77,4 +77,4 @@
   <%= turbo_frame_tag dom_id(@bubble, :stage_picker), src: new_bucket_bubble_stage_picker_path(@bubble.bucket, @bubble) %>
 </div>
 
-<%= notification_tray %>
+<%= render "notifications/tray" %>

app/views/buckets/index.html.erb

@@ -21,4 +21,4 @@
   <%= render @filters %>
 </div>
 
-<%= notification_tray %>
+<%= render "notifications/tray" %>

app/views/notifications/_tray.html.erb

@@ -0,0 +1,5 @@
+<%= turbo_stream_from Current.user, :notifications %>
+
+<%= tag.div id: "notification-tray", class: "notification-tray", data: { turbo_permanent: true, controller: "notifications--readings" } do %>
+  <%=  turbo_frame_tag("notifications", src: notifications_path) %>
+<% end %>