--- a/src/HOL/ROOT Wed Mar 23 14:22:56 2022 +0000 +++ b/src/HOL/ROOT Wed Mar 23 14:36:11 2022 +0000 @@ -689,7 +689,6 @@ Peano_Axioms Perm_Fragments PresburgerEx - Primrec Pythagoras Quicksort Radix_Sort