diff --git a/spec/weak-ref.html b/spec/weak-ref.html
index faa910e..1d83b50 100644
--- a/spec/weak-ref.html
+++ b/spec/weak-ref.html
@@ -164,13 +164,6 @@ <h1>Modifications to collection type definitions</h1>
       to explain their observable effects on garbage collection, rather than
       specifying operationally that non-live keys or members are deleted.
     </p>
-
-    <p>
-      Open questions remain under discussion about the relationship between when
-      elements are collected in WeakMaps, WeakSets and WeakRefs, e.g.,
-      what guarantees are made about timing, c.f.
-      <a href="https://github.com/tc39/proposal-weakrefs/pull/121#issuecomment-497142235">#121 (comment)</a>.
-    </p>
   </emu-note>
 
   <emu-clause id="sec-weakmap">