diff --git a/.travis.yml b/.travis.yml
index f6112b67..1cf55b3f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: scala
 sudo: required
 scala:
-  - 2.11.7
+  - 2.11.8
 jdk:
   - oraclejdk8
 cache:
diff --git a/build.sbt b/build.sbt
index c55c65b3..3369f0f5 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,11 +3,13 @@ val http4sVersion = "0.14.1"
 val circeVersion = "0.4.1"
 
 lazy val evaluator = (project in file("."))
+  .enablePlugins(JavaAppPackaging)
   .settings(
     name := "evaluator",
     scalaVersion := "2.11.8",
     resolvers += Resolver.sonatypeRepo("snapshots"),
     libraryDependencies ++= Seq(
+      "org.scala-exercises" %% "evaluator-types" % version.value,
       "org.scala-lang" % "scala-compiler" % scalaVersion.value,
       "io.monix" %% "monix" % "2.0-RC8",
       "org.http4s" %% "http4s-dsl" % http4sVersion,
@@ -27,8 +29,6 @@ lazy val evaluator = (project in file("."))
     )
   )
 
-enablePlugins(JavaAppPackaging)
-
 addCompilerPlugin(
   "org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full
 )
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index 0ee0ddcc..d9ae5d89 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -1,5 +1,4 @@
 eval.auth {
   secretKey = "secretKey"	  
   secretKey = ${?EVAL_SECRET_KEY}
-}
-
+}
\ No newline at end of file
diff --git a/src/main/scala/types.scala b/src/main/scala/types.scala
deleted file mode 100644
index 390f3afb..00000000
--- a/src/main/scala/types.scala
+++ /dev/null
@@ -1,74 +0,0 @@
-package org.scalaexercises.evaluator
-
-import scala.concurrent.duration._
-import io.circe._, io.circe.generic.auto._
-
-final case class RangePosition(
-  start: Int,
-  point: Int,
-  end: Int)
-
-final case class CompilationInfo(
-  message: String,
-  pos: Option[RangePosition])
-
-final case class RuntimeError(
-  val error: Throwable,
-  position: Option[Int])
-
-sealed trait EvalResult[+A]
-
-object EvalResult {
-  type CI = Map[String, List[CompilationInfo]]
-}
-
-import EvalResult._
-
-final case class EvalSuccess[A](
-  complilationInfos: CI,
-  result: A,
-  consoleOutput: String) extends EvalResult[A]
-
-final case class Timeout[A](duration: FiniteDuration) extends EvalResult[A]
-
-final case class UnresolvedDependency[A](explanation: String) extends EvalResult[A]
-
-final case class EvalRuntimeError[A](
-  complilationInfos: CI,
-  runtimeError: Option[RuntimeError]) extends EvalResult[A]
-
-final case class CompilationError[A](complilationInfos: CI) extends EvalResult[A]
-
-final case class GeneralError[A](stack: Throwable) extends EvalResult[A]
-
-final case class Dependency(
-  groupId: String,
-  artifactId: String,
-  version: String)
-
-final case class EvalRequest(
-  resolvers: List[String] = Nil,
-  dependencies: List[Dependency] = Nil,
-  code: String)
-
-final case class EvalResponse(
-  msg: String,
-  value: Option[String] = None,
-  valueType: Option[String] = None,
-  compilationInfos: CI = Map.empty)
-
-object EvalResponse {
-
-  object messages {
-
-    val `ok` = "Ok"
-    val `Timeout Exceded` = "Timeout"
-    val `Unresolved Dependency` = "Unresolved Dependency"
-    val `Runtime Error` = "Runtime Error"
-    val `Compilation Error` = "Compilation Error"
-    val `Unforeseen Exception` = "Unforeseen Exception"
-
-  }
-
-}
-
diff --git a/version.sbt b/version.sbt
new file mode 100644
index 00000000..19138f19
--- /dev/null
+++ b/version.sbt
@@ -0,0 +1 @@
+version in ThisBuild := "0.1-SNAPSHOT"
\ No newline at end of file