diff --git a/sbt/src/sbt-test/compiler-project/inc-ant-style/build.sbt b/sbt/src/sbt-test/compiler-project/inc-ant-style/build.sbt
deleted file mode 100644
index c00ed3d45..000000000
--- a/sbt/src/sbt-test/compiler-project/inc-ant-style/build.sbt
+++ /dev/null
@@ -1,30 +0,0 @@
-logLevel := Level.Debug
-
-incOptions := incOptions.value.withNameHashing(false).withAntStyle(true)
-
-/* Performs checks related to compilations:
- *  a) checks in which compilation given set of files was recompiled
- *  b) checks overall number of compilations performed
- */
-TaskKey[Unit]("check-compilations") := {
-  val analysis = (compile in Compile).value match { case analysis: Analysis => analysis }
-  val srcDir = (scalaSource in Compile).value
-  def relative(f: java.io.File): java.io.File =  f.relativeTo(srcDir) getOrElse f
-  val allCompilations = analysis.compilations.allCompilations
-  val recompiledFiles: Seq[Set[java.io.File]] = allCompilations map { c =>
-    val recompiledFiles = analysis.apis.internal.collect {
-      case (file, api) if api.compilation.startTime == c.startTime => relative(file)
-    }
-    recompiledFiles.toSet
-  }
-  def recompiledFilesInIteration(iteration: Int, fileNames: Set[String]) = {
-    val files = fileNames.map(new java.io.File(_))
-    assert(recompiledFiles(iteration) == files, "%s != %s".format(recompiledFiles(iteration), files))
-  }
-  assert(allCompilations.size == 2)
-  // B.scala and C.scala are compiled at the beginning, in the Ant-style incremental compilation
-  // they are not rebuild when A.scala.
-  recompiledFilesInIteration(0, Set("B.scala", "C.scala"))
-  // A.scala is changed and recompiled
-  recompiledFilesInIteration(1, Set("A.scala"))
-}
diff --git a/sbt/src/sbt-test/compiler-project/inc-ant-style/changes/A1.scala b/sbt/src/sbt-test/compiler-project/inc-ant-style/changes/A1.scala
deleted file mode 100644
index e86bab42e..000000000
--- a/sbt/src/sbt-test/compiler-project/inc-ant-style/changes/A1.scala
+++ /dev/null
@@ -1,3 +0,0 @@
-package test3
-
-trait A
\ No newline at end of file
diff --git a/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/A.scala b/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/A.scala
deleted file mode 100644
index 4ab580616..000000000
--- a/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/A.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-package test3
-
-trait A {
-  def foo = 1
-}
diff --git a/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/B.scala b/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/B.scala
deleted file mode 100644
index 572e3c764..000000000
--- a/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/B.scala
+++ /dev/null
@@ -1,3 +0,0 @@
-package test3
-
-trait B extends A
diff --git a/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/C.scala b/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/C.scala
deleted file mode 100644
index c8b935590..000000000
--- a/sbt/src/sbt-test/compiler-project/inc-ant-style/src/main/scala/C.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-package test3
-
-trait C {
-  def abc(a: A): Int = a.foo
-}
diff --git a/sbt/src/sbt-test/compiler-project/inc-ant-style/test b/sbt/src/sbt-test/compiler-project/inc-ant-style/test
deleted file mode 100644
index f6d94fc14..000000000
--- a/sbt/src/sbt-test/compiler-project/inc-ant-style/test
+++ /dev/null
@@ -1,8 +0,0 @@
-# introduces first compile iteration
-> compile
-# remove A.foo method
-$ copy-file changes/A1.scala src/main/scala/A.scala
-# recompiles just A.scala in Ant mode so it introduces one more iteration
-> compile
-# check if there are only two compile iterations performed
-> check-compilations