diff --git a/src/main/scala-sbt-0.13/com/lightbend/sbt/javaagent/Dependencies.scala b/src/main/scala-sbt-0.13/com/lightbend/sbt/javaagent/Dependencies.scala
deleted file mode 100644
index bc40459..0000000
--- a/src/main/scala-sbt-0.13/com/lightbend/sbt/javaagent/Dependencies.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * Copyright © 2016-2023 Lightbend, Inc. <http://www.lightbend.com>
- */
-
-package com.lightbend.sbt.javaagent
-
-object Dependencies {
-  // no bash script plugin dependency for sbt 0.13
-  val BashStartScriptPlugin = "sbt.plugins.JvmPlugin"
-}
diff --git a/src/main/scala-sbt-0.13/com/lightbend/sbt/javaagent/Modules.scala b/src/main/scala-sbt-0.13/com/lightbend/sbt/javaagent/Modules.scala
deleted file mode 100644
index 5e74074..0000000
--- a/src/main/scala-sbt-0.13/com/lightbend/sbt/javaagent/Modules.scala
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright © 2016-2017 Lightbend, Inc. <http://www.lightbend.com>
- */
-
-package com.lightbend.sbt.javaagent
-
-import sbt.{ ModuleFilter, ModuleID }
-
-object Modules {
-  def withConfigurations(module: ModuleID, configurations: Option[String]): ModuleID =
-    module.copy(configurations = configurations)
-
-  def exactFilter(module: ModuleID) = new ModuleFilter {
-    def apply(m: ModuleID) = {
-      m.organization == module.organization &&
-      m.name         == module.name &&
-      m.revision     == module.revision
-    }
-  }
-}