diff --git a/gc.c b/gc.c
index fa3ca57b..5053589a 100644
--- a/gc.c
+++ b/gc.c
@@ -635,7 +635,6 @@ void gc_handshake(gc_status_type s)
 void gc_post_handshake(gc_status_type s)
 {
   int status = ATOMIC_GET(&gc_status_col);
-  TODO: use atomic to change value of gc_status_col
   while (!ATOMIC_SET_IF_EQ(&gc_status_col, status, s)){}
 }