From 8d95163da4964441f7cb61169e3fd488f95f9307 Mon Sep 17 00:00:00 2001
From: timedout <git@nexy7574.co.uk>
Date: Fri, 21 Aug 2026 05:48:14 +0100
Subject: [PATCH] perf: Remove unnecessary retain

The remove() at the start of the function already does this
---
 src/service/rooms/timeline/append.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/service/rooms/timeline/append.rs b/src/service/rooms/timeline/append.rs
index 8a207cf23..37e1ffa78 100644
--- a/src/service/rooms/timeline/append.rs
+++ b/src/service/rooms/timeline/append.rs
@@ -239,7 +239,6 @@ impl super::Service {
 					once(ancestor_id.as_ref()),
 				);
 			}
-			new_extremities.retain(|extremity| !outlier_prevs.contains(extremity));
 			ancestors_todo.extend(outlier_prevs);
 		}