--- a/src/Pure/PIDE/headless.scala Tue Feb 11 23:31:12 2025 +0100
+++ b/src/Pure/PIDE/headless.scala Wed Feb 12 00:40:57 2025 +0100
@@ -10,7 +10,6 @@
import java.io.{File => JFile}
import scala.annotation.tailrec
-import scala.collection.mutable
object Headless {