GOROOT should not be defined here either

config/benchmark_profile

@@ -14,7 +14,6 @@ export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-amd64
 export RESIN_HOME=${IROOT}/resin-4.0.41
 export GRAILS_HOME=${IROOT}/grails-2.4.2
 export VERTX_HOME=${IROOT}/vert.x-2.1.1
-export GOROOT=${IROOT}/go
 export TOMCAT_HOME=${IROOT}/apache-tomcat-7.0.35
 export NODE_HOME=${IROOT}/node-v0.10.8-linux-x64
 export PLAY_HOME=${IROOT}/play-2.2.0