diff --git a/sbt/src/sbt-test/actions/doc-scala-instance/a/A.scala b/sbt/src/sbt-test/actions/doc-scala-instance/a/A.scala
deleted file mode 100644
index e89cff328..000000000
--- a/sbt/src/sbt-test/actions/doc-scala-instance/a/A.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-class A {
-  def x = 3
-}
-class B
-object B {
-	implicit def bToA(b: B): A = new A
-}
diff --git a/sbt/src/sbt-test/actions/doc-scala-instance/build.sbt b/sbt/src/sbt-test/actions/doc-scala-instance/build.sbt
deleted file mode 100644
index 497ab5d39..000000000
--- a/sbt/src/sbt-test/actions/doc-scala-instance/build.sbt
+++ /dev/null
@@ -1,10 +0,0 @@
-lazy val a = project.settings(
-	scalaVersion := "2.12.2",
-	scalaInstance in (Compile, doc) := (scalaInstance in b).value,
-	// 2.10.1-only, so this will only succeed if `doc` recognizes the more specific scalaInstance scoped to `doc`
-	scalacOptions in (Compile, doc) += "-implicits"
-)
-
-lazy val b = project.settings(
-	scalaVersion := "2.12.2"
-)
diff --git a/sbt/src/sbt-test/actions/doc-scala-instance/test b/sbt/src/sbt-test/actions/doc-scala-instance/test
deleted file mode 100644
index 285de2cc4..000000000
--- a/sbt/src/sbt-test/actions/doc-scala-instance/test
+++ /dev/null
@@ -1 +0,0 @@
-> a/doc