diff --git a/source/threads.tex b/source/threads.tex
index 9be4571b79..7d10d27adf 100644
--- a/source/threads.tex
+++ b/source/threads.tex
@@ -3135,11 +3135,6 @@
 communicate atomically.
 \end{footnote}
 The implementation of these operations should not depend on any per-process state.
-\begin{note}
-This restriction enables communication by memory that is
-mapped into a process more than once and by memory that is shared between two
-processes.
-\end{note}
 
 \rSec2[atomics.wait]{Waiting and notifying}