diff --git a/TODO b/TODO
index aa041b3..ba556f9 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,3 @@
-find out why mutt's message size calc is confused.
-
 f{,data}sync() usage could be optimized by batching the calls.
 
 add some marker about message being already [remotely] trashed.