diff --git a/extra/project-euler/010/010.factor b/extra/project-euler/010/010.factor
index 7518eb2f6f..055e902776 100644
--- a/extra/project-euler/010/010.factor
+++ b/extra/project-euler/010/010.factor
@@ -22,9 +22,6 @@ IN: project-euler.010
 : euler010 ( -- answer )
     0 1000000 lerato [ + ] leach ;
 
-! TODO: solution is still too slow for 1000000, probably due to seq-diff
-! calling member? for each number that we want to remove
-
 ! [ euler010 ] time
 ! 765 ms run / 7 ms GC time