diff --git a/Dockerfile b/Dockerfile
index e644cb9..7d81979 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,9 +5,7 @@ ARG NB_GID="100"
 FROM ${LAB_IMAGE}
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 USER root
-RUN apt-get update --yes && \
-    apt-get install --yes --no-install-recommends \
-    git-lfs 
+RUN apt-get update --yes 
 USER ${NB_UID}
 RUN echo "install custom extensions"
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-sandbox-theme==0.1.4