diff -r e028331c578b -r 7e7ed27fe625 lib/Tools/java_monitor
--- a/lib/Tools/java_monitor	Mon Dec 21 22:55:57 2020 +0100
+++ b/lib/Tools/java_monitor	Mon Dec 21 23:22:14 2020 +0100
@@ -4,6 +4,4 @@
 #
 # DESCRIPTION: monitor another Java process
 
-isabelle_admin_build jars || exit $?
-
 isabelle java isabelle.Java_Monitor "$@"