--- a/build.sbt	Thu Dec 14 09:13:30 2017 +0100
+++ b/build.sbt	Thu Dec 14 10:54:52 2017 +0100
@@ -35,7 +35,6 @@
 
   buildInfoKeys := Seq[BuildInfoKey](name, version, scalaVersion, sbtVersion,
     "scalaJSVersion" -> scalaJSVersion,
-    BuildInfoKey.action("buildTime") { System.currentTimeMillis },
     BuildInfoKey.action("hgId") { "hg id -i".!!.trim },
     BuildInfoKey.action("hgTags") { "hg id -t".!!.trim }
   ),