diff --git a/TODO.rst b/TODO.rst
index 4204b3ff..af33fe30 100644
--- a/TODO.rst
+++ b/TODO.rst
@@ -32,6 +32,8 @@ Chores:
 
 * recompute PXAR_ header types from strings: avoid using numbers from casync
 
+* remove pbs-* systemd timers and services on package purge
+
 
 Suggestions
 ===========