diff --git a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/codec/TaskProgressFormats.scala b/internal/util-logging/src/main/contraband-scala/sbt/internal/util/codec/TaskProgressFormats.scala
deleted file mode 100644
index fa79adffc..000000000
--- a/internal/util-logging/src/main/contraband-scala/sbt/internal/util/codec/TaskProgressFormats.scala
+++ /dev/null
@@ -1,29 +0,0 @@
-/**
- * This code is generated using [[http://www.scala-sbt.org/contraband/ sbt-contraband]].
- */
-
-// DO NOT EDIT MANUALLY
-package sbt.internal.util.codec
-import _root_.sjsonnew.{ Unbuilder, Builder, JsonFormat, deserializationError }
-trait TaskProgressFormats { self: sjsonnew.BasicJsonProtocol =>
-implicit lazy val TaskProgressFormat: JsonFormat[sbt.internal.util.TaskProgress] = new JsonFormat[sbt.internal.util.TaskProgress] {
-  override def read[J](jsOpt: Option[J], unbuilder: Unbuilder[J]): sbt.internal.util.TaskProgress = {
-    jsOpt match {
-      case Some(js) =>
-      unbuilder.beginObject(js)
-      val name = unbuilder.readField[String]("name")
-      val elapsedMicros = unbuilder.readField[Option[Long]]("elapsedMicros")
-      unbuilder.endObject()
-      sbt.internal.util.TaskProgress(name, elapsedMicros)
-      case None =>
-      deserializationError("Expected JsObject but found None")
-    }
-  }
-  override def write[J](obj: sbt.internal.util.TaskProgress, builder: Builder[J]): Unit = {
-    builder.beginObject()
-    builder.addField("name", obj.name)
-    builder.addField("elapsedMicros", obj.elapsedMicros)
-    builder.endObject()
-  }
-}
-}