diff --git a/scripts/build.sh b/scripts/build.sh
index 5533cf939..19ed1ad09 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -15,10 +15,6 @@ DIR="$( cd -P "$( dirname "$SOURCE" )/.." && pwd )"
 # Change into that directory
 cd $DIR
 
-# Determine the arch/os combos we're building for
-XC_ARCH=${XC_ARCH:-"386 amd64 arm arm64 ppc64le"}
-XC_OS=${XC_OS:-linux darwin windows freebsd openbsd solaris}
-
 # Delete the old dir
 echo "==> Removing old directory..."
 rm -f bin/*