diff -r 26685edee372 -r a509730e424b src/HOL/UNITY/ROOT.ML
--- a/src/HOL/UNITY/ROOT.ML	Tue Aug 17 22:14:02 1999 +0200
+++ b/src/HOL/UNITY/ROOT.ML	Tue Aug 17 22:14:08 1999 +0200
@@ -9,7 +9,6 @@
 writeln"Root file for HOL/UNITY";
 
 set proof_timing;
-set HOL_quantifiers;
 
 time_use_thy "UNITY";
 time_use_thy "Deadlock";