diff --git a/test-workspace/.gitignore b/test-workspace/.gitignore
deleted file mode 100644
index 1d74e21965c..00000000000
--- a/test-workspace/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-.vscode/
diff --git a/test-workspace/.jvmopts b/test-workspace/.jvmopts
deleted file mode 100644
index 5674e043bc5..00000000000
--- a/test-workspace/.jvmopts
+++ /dev/null
@@ -1,7 +0,0 @@
--Xss4m
--Xms1G
--Xmx4G
--XX:ReservedCodeCacheSize=1024m
--XX:+TieredCompilation
--XX:+CMSClassUnloadingEnabled
--Dfile.encoding=UTF-8
diff --git a/test-workspace/.scalafix.conf b/test-workspace/.scalafix.conf
deleted file mode 100644
index ee21a999f5e..00000000000
--- a/test-workspace/.scalafix.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-rules = [
-  NoInfer
-]
diff --git a/test-workspace/.scalafmt.conf b/test-workspace/.scalafmt.conf
deleted file mode 100644
index 4ef5fd138fa..00000000000
--- a/test-workspace/.scalafmt.conf
+++ /dev/null
@@ -1 +0,0 @@
-version = "2.0.0-RC4"
diff --git a/test-workspace/build.sbt b/test-workspace/build.sbt
deleted file mode 100644
index e34f221019d..00000000000
--- a/test-workspace/build.sbt
+++ /dev/null
@@ -1,5 +0,0 @@
-inThisBuild(
-  Vector(
-    scalaVersion := "2.12.11"
-  )
-)
diff --git a/test-workspace/cross/src/main/scala/cross/Cross.scala b/test-workspace/cross/src/main/scala/cross/Cross.scala
deleted file mode 100644
index e0d961eb787..00000000000
--- a/test-workspace/cross/src/main/scala/cross/Cross.scala
+++ /dev/null
@@ -1,6 +0,0 @@
-package cross
-
-object Main {
-    val x: Int = 2
-}
-
diff --git a/test-workspace/project/build.properties b/test-workspace/project/build.properties
deleted file mode 100644
index 0cd8b07982e..00000000000
--- a/test-workspace/project/build.properties
+++ /dev/null
@@ -1 +0,0 @@
-sbt.version=1.2.3
diff --git a/test-workspace/project/plugins.sbt b/test-workspace/project/plugins.sbt
deleted file mode 100644
index f1ca0ec453b..00000000000
--- a/test-workspace/project/plugins.sbt
+++ /dev/null
@@ -1,3 +0,0 @@
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "0.6.0")
-
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.25")
diff --git a/test-workspace/src/main/scala/example/User.scala b/test-workspace/src/main/scala/example/User.scala
deleted file mode 100644
index 033d7663fba..00000000000
--- a/test-workspace/src/main/scala/example/User.scala
+++ /dev/null
@@ -1,21 +0,0 @@
-package example
-
-import java.util.concurrent.CompletableFuture
-import java.nio.file.SimpleFileVisitor
-import java.nio.file.Path
-import java.nio.file.FileVisitResult
-import java.nio.file.attribute.BasicFileAttributes
-
-object Main extends CompletableFuture[Int] {
-  println(Option(1).map(_.toString()))
-  import java.nio.file.Files
-  import java.nio.file.Paths
-  List(1).map(identity _)
-  System.out.println(identity(), identity(), identity())
-  Files.readAllBytes(Paths.get(""))
-  new SimpleFileVisitor[Path] {
-    override def visitFile(file: Path, attrs: BasicFileAttributes): FileVisitResult = {
-      FileVisitResult.CONTINUE
-    }
-  }
-}
diff --git a/test-workspace/src/test/scala/example/UserTest.scala b/test-workspace/src/test/scala/example/UserTest.scala
deleted file mode 100644
index e22012abdd5..00000000000
--- a/test-workspace/src/test/scala/example/UserTest.scala
+++ /dev/null
@@ -1,20 +0,0 @@
-object Main {
-  def chain = Seq(1).map(
-    x =>
-    x + 1
-     + 1
-     + 1
-     + 1
-     + 1
-     + 1
-     + 1
-  ).map(
-    x => x + 1
-    + 1
-    + 1
-    + 1
-    + 1
-    + 1
-  )
-
-}