diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index 5786fa67e..dacf1ffe0 100644
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -4750,6 +4750,13 @@ trait BuildExtra extends BuildCommon with DefExtra {
     Seq(compose(onLoad, add), compose(onUnload, remove))
   }
 
+  /**
+   * Adds dependency tree plugin.
+   */
+  @deprecated("dependencyTree is built into sbt 2.x; this is now a no-op", "2.0.0")
+  def addDependencyTreePlugin: Setting[Seq[ModuleID]] =
+    libraryDependencies ++= Nil
+
   /**
    * Adds Maven resolver plugin.
    */
diff --git a/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/build.sbt b/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/build.sbt
new file mode 100644
index 000000000..5ed743ee7
--- /dev/null
+++ b/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/build.sbt
@@ -0,0 +1,5 @@
+import sbtassembly.AssemblyPlugin.autoImport._
+
+assembly / assemblyJarName := "plugin-survived.jar"
+
+TaskKey[Unit]("check") := ()
diff --git a/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/project/plugins.sbt b/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/project/plugins.sbt
new file mode 100644
index 000000000..70e5a6638
--- /dev/null
+++ b/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/project/plugins.sbt
@@ -0,0 +1,2 @@
+addDependencyTreePlugin
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.1")
diff --git a/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/test b/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/test
new file mode 100644
index 000000000..15675b169
--- /dev/null
+++ b/sbt-app/src/sbt-test/project/add-dependency-tree-plugin-shim/test
@@ -0,0 +1 @@
+> check