diff --git a/docker/Dockerfile.tbtamr-0.9.9 b/docker/Dockerfile.tbtamr-0.9.9
index 5297153..d967016 100644
--- a/docker/Dockerfile.tbtamr-0.9.9
+++ b/docker/Dockerfile.tbtamr-0.9.9
@@ -1,8 +1,6 @@
 FROM ubuntu:jammy
 
-
 WORKDIR /
-ENV TMPDIR="/data"
 
 # LABEL instructions tag the image with metadata that might be important to the user
 LABEL base.image="ubuntu:jammy"