diff --git a/build.sh b/build.sh
index 1d84922..4904b8c 100755
--- a/build.sh
+++ b/build.sh
@@ -3,7 +3,6 @@
 source vars
 
 DOCKERFILE="${1:-Dockerfile}"
-SUFFIX=`echo $1 | cut -d. -f2`
 
 docker build -t "${REPO_NAME}/${APP_NAME}:${TAG}" -f ${DOCKERFILE} .