From 946a166791e5a1a10778e15ca4a9f5f10c961134 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 21 Jun 2017 01:37:15 +0200
Subject: [PATCH] Revert #3851 (#3878)

---
 app/javascript/mastodon/components/status.js              | 8 --------
 .../features/ui/util/intersection_observer_wrapper.js     | 7 -------
 2 files changed, 15 deletions(-)

diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index e77d1eb91..325aceb5b 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -91,14 +91,6 @@ class Status extends ImmutablePureComponent {
   }
 
   componentWillUnmount () {
-    if (!this.props.intersectionObserverWrapper) {
-      // TODO: enable IntersectionObserver optimization for notification statuses.
-      // These are managed in notifications/index.js rather than status_list.js
-      return;
-    }
-
-    this.props.intersectionObserverWrapper.unobserve(this.props.id, this.node);
-
     this.componentMounted = false;
   }
 
diff --git a/app/javascript/mastodon/features/ui/util/intersection_observer_wrapper.js b/app/javascript/mastodon/features/ui/util/intersection_observer_wrapper.js
index b15f8b9ef..0e959f9ae 100644
--- a/app/javascript/mastodon/features/ui/util/intersection_observer_wrapper.js
+++ b/app/javascript/mastodon/features/ui/util/intersection_observer_wrapper.js
@@ -37,13 +37,6 @@ class IntersectionObserverWrapper {
     }
   }
 
-  unobserve (id, node) {
-    if (this.observer) {
-      delete this.callbacks[id];
-      this.observer.unobserve(node);
-    }
-  }
-
   disconnect () {
     if (this.observer) {
       this.observer.disconnect();