diff --git a/scripts/lib/install-node b/scripts/lib/install-node
index 167224dc96..81614b705c 100755
--- a/scripts/lib/install-node
+++ b/scripts/lib/install-node
@@ -2,7 +2,6 @@
 set -e
 
 ZULIP_PATH=$(dirname "$0")
-ZULIP_ROOT=$(realpath "$ZULIP_PATH/../..")
 node_version=6.6.0
 npm_version=3.10.3