diff --git a/src/test/scala/util/ImplicitClasses.scala b/src/test/scala/util/ImplicitClasses.scala
deleted file mode 100644
index 66e2380..0000000
--- a/src/test/scala/util/ImplicitClasses.scala
+++ /dev/null
@@ -1,28 +0,0 @@
-package util
-
-object ImplicitClasses {
-
-
-  implicit class ListSyntax[A](l: List[A]) {
-    def intersperse(b: List[A]): List[A] = ListSyntax.intersperse(l, b)
-  }
-
-  object ListSyntax {
-    private def intersperse[A](a: List[A], b: List[A]): List[A] = a match {
-      case first :: rest => first :: intersperse(b, rest)
-      case _ => b
-    }
-  }
-
-  implicit class StreamSyntax[A](s: Stream[A]) {
-    def intersperse(b: Stream[A]): Stream[A] = StreamSyntax.intersperse(s, b)
-  }
-
-  object StreamSyntax {
-    private def intersperse[A](a: Stream[A], b: Stream[A]): Stream[A] = a match {
-      case first #:: rest => first #:: intersperse(b, rest)
-      case _ => b
-    }
-  }
-
-}