diff --git a/project/Build.scala b/project/Build.scala
index a2004a4..6b9cba4 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -18,7 +18,7 @@ sealed trait Basics {
   final val buildScalaVersion     = "2.11.8"
   final val extraScalaVersions    = Seq.empty
   final val minimumJavaVersion    = "1.8"
-  lazy  val defaultOptimize       = true
+  lazy  val defaultOptimize       = false
   final val projectMainClass      = None
 
   lazy  val parallelBuild         = false