diff -r 9f509bc10a63 -r 508a673c87ac src/Pure/Tools/dump.scala
--- a/src/Pure/Tools/dump.scala	Tue Feb 11 23:31:12 2025 +0100
+++ b/src/Pure/Tools/dump.scala	Wed Feb 12 00:40:57 2025 +0100
@@ -6,8 +6,6 @@
 
 package isabelle
 
-import java.io.{BufferedWriter, FileOutputStream, OutputStreamWriter}
-
 
 object Dump {
   /* aspects */