diff --git a/build.sh b/build.sh
index 4e55df72b402e7b95c1792a38f3db623836b7f0f..fb396566a9f5a5fac62e044373d59e07c19fa8fc 100644
--- a/build.sh
+++ b/build.sh
@@ -15,9 +15,6 @@
 
 set -e
 
-BASEPATH=$(cd "$(dirname $0)"; pwd)
-OUTPUT_PATH="${BASEPATH}/output"
-PYTHON=$(which python3)
 
 mk_new_dir() {
     local create_dir="$1"  # the target to make