diff -r 71b7a5775342 -r ad60214bef09 src/Pure/ROOT.ML
--- a/src/Pure/ROOT.ML	Sat Feb 20 21:38:23 2021 +0100
+++ b/src/Pure/ROOT.ML	Sat Feb 20 22:09:16 2021 +0100
@@ -294,7 +294,6 @@
 (*Isabelle system*)
 ML_file "PIDE/protocol_command.ML";
 ML_file "System/scala.ML";
-ML_file "System/kill.ML";
 ML_file "System/bash.ML";
 ML_file "System/isabelle_system.ML";