diff --git a/deployments/stat159/config/common.yaml b/deployments/stat159/config/common.yaml
index 6f88d5121..b1309a054 100644
--- a/deployments/stat159/config/common.yaml
+++ b/deployments/stat159/config/common.yaml
@@ -39,10 +39,6 @@ jupyterhub:
       # Tell code where to display GUIs
       # The VNC /desktop link must be opened already for this to work
       DISPLAY: ":1.0"
-    # Enable RTC and jupyterlab-link-share
-    cmd:
-    - jupyterhub-singleuser
-    - --LabApp.collaborative=true
     extraFiles:
       lab-config:
         data: