diff --git a/tests/dockerfile/binder-dir/binder/Dockerfile b/tests/dockerfile/binder-dir/binder/Dockerfile
index 7bdfa564..4b721de4 100644
--- a/tests/dockerfile/binder-dir/binder/Dockerfile
+++ b/tests/dockerfile/binder-dir/binder/Dockerfile
@@ -1,8 +1,5 @@
 FROM python:3.5
 
-ARG JUPYTERHUB_VERSION
-RUN pip3 install jupyterhub==$JUPYTERHUB_VERSION
-
 ENTRYPOINT "/bin/sh"
 
 ADD sayhi.sh /usr/local/bin/sayhi.sh
diff --git a/tests/dockerfile/jupyter-stack/Dockerfile b/tests/dockerfile/jupyter-stack/Dockerfile
index 5155eaf7..a25b0cdb 100644
--- a/tests/dockerfile/jupyter-stack/Dockerfile
+++ b/tests/dockerfile/jupyter-stack/Dockerfile
@@ -1,7 +1,4 @@
 FROM jupyter/base-notebook:b4dd11e16ae4
 
-ARG JUPYTERHUB_VERSION
-RUN pip install jupyterhub==$JUPYTERHUB_VERSION
-
 RUN pip install there
 ADD verify verify
diff --git a/tests/dockerfile/simple/Dockerfile b/tests/dockerfile/simple/Dockerfile
index 7bdfa564..4b721de4 100644
--- a/tests/dockerfile/simple/Dockerfile
+++ b/tests/dockerfile/simple/Dockerfile
@@ -1,8 +1,5 @@
 FROM python:3.5
 
-ARG JUPYTERHUB_VERSION
-RUN pip3 install jupyterhub==$JUPYTERHUB_VERSION
-
 ENTRYPOINT "/bin/sh"
 
 ADD sayhi.sh /usr/local/bin/sayhi.sh