diff --git a/aws_pcluster_slurm_spawner/aws_pcluster_slurm_spawner.py b/aws_pcluster_slurm_spawner/aws_pcluster_slurm_spawner.py
index eb0428e..d44d6d0 100644
--- a/aws_pcluster_slurm_spawner/aws_pcluster_slurm_spawner.py
+++ b/aws_pcluster_slurm_spawner/aws_pcluster_slurm_spawner.py
@@ -43,12 +43,6 @@ class PClusterSlurmSpawner(batchspawner.SlurmSpawner):
 
 {{prologue}}
 
-# Custom R
-{% if req_custom_r    %}export PATH="{{req_custom_r}}:$PATH"{% endif %}
-
-# Custom Env
-{% if req_custom_env    %}{{req_custom_env}}{% endif %}
-
 which jupyterhub-singleuser
 {% if srun %}{{srun}} {% endif %}{{cmd}}
 echo "jupyterhub-singleuser ended gracefully"
@@ -398,18 +392,6 @@ def _options_form_default(self):
     <label for="options">Options (additional options such as -N 4 for multiple nodes)</label>
     <input type="text" class="form-control" value="{{req_options}}" placeholder="{req_options}" id="options" name="req_options"/>
 </div>
-
-<div class="form-group">
-    <label for="custom_env">Custom Env (spack load my-env). You should only need this option for custom R environments!</label>
-    <textarea id="custom_env" name="req_custom_env" rows="4" cols="50">
-    {{req_custom_env}}
-    </textarea>
-</div>
-
-<div class="form-group">
-    <label for="custom_r_path">Custom R Path (Run source activate my-r-env; which R)</label>
-    <input type="text" class="form-control" value="{{req_custom_r}}" placeholder="" id="custom_r" name="req_custom_r"/>
-</div>
     """
         rtemplate = Environment(loader=BaseLoader).from_string(form_options)
         return rtemplate.render(**defaults)
diff --git a/requirements.txt b/requirements.txt
index 607c136..54b5793 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 batchspawner
-jupyter-rsession-proxy
 datasize
 humanize
 boto3