diff --git a/cesnet-central/deployments/fullhub.yaml b/cesnet-central/deployments/fullhub.yaml
index 5e0e969710d1232185bbbda95ab8ab0f855760c0..056ea6fde85de001a846553cece991e865692c67 100644
--- a/cesnet-central/deployments/fullhub.yaml
+++ b/cesnet-central/deployments/fullhub.yaml
@@ -104,9 +104,27 @@ singleuser:
 
         exec jupyterhub-singleuser \
           --FileCheckpoints.checkpoint_dir='/home/jovyan/.notebookCheckpoints' \
-          --LabApp.news_url=None \
           --NotebookNotary.db_file=':memory:' \
           "$@"
+    disable-labnews:
+      mode: 0644
+      mountPath: /opt/conda/share/jupyter/lab/settings/overrides.json
+      stringData: |-
+        {
+          "@jupyterlab/apputils-extension:notification": {
+            "checkForUpdates": "false",
+            "fetchNews": "false"
+          },
+          "@jupyterlab/application-extension:context-menu": {
+            "contextMenu": [
+              {
+                "command": "filebrowser:share-main",
+                "selector": ".jp-DirListing-item[data-isdir]",
+                "disabled": true
+              }
+            ]
+          }
+        }
 
 hub:
   services:
diff --git a/common/deployments/hub-staging.yaml b/common/deployments/hub-staging.yaml
index 29ec602f460b02135d1719a80e78d5cd02a46672..d56488df4c7ae713cd8e9894421d7ab7107e3a9c 100644
--- a/common/deployments/hub-staging.yaml
+++ b/common/deployments/hub-staging.yaml
@@ -122,7 +122,6 @@ singleuser:
 
         exec jupyterhub-singleuser \
           --FileCheckpoints.checkpoint_dir='/home/jovyan/.notebookCheckpoints' \
-          --LabApp.news_url=None \
           --NotebookNotary.db_file=':memory:' \
           "$@"
     disable-labnews:
diff --git a/testing/deployments/hub.yaml b/testing/deployments/hub.yaml
index 611c6332b9c9b1c14d182f0a109906365b6985b7..76934d368b8fcb603def62c56b68f52a7924acb8 100644
--- a/testing/deployments/hub.yaml
+++ b/testing/deployments/hub.yaml
@@ -123,9 +123,27 @@ singleuser:
 
         exec jupyterhub-singleuser \
           --FileCheckpoints.checkpoint_dir='/home/jovyan/.notebookCheckpoints' \
-          --LabApp.news_url=None \
           --NotebookNotary.db_file=':memory:' \
           "$@"
+    disable-labnews:
+      mode: 0644
+      mountPath: /opt/conda/share/jupyter/lab/settings/overrides.json
+      stringData: |-
+        {
+          "@jupyterlab/apputils-extension:notification": {
+            "checkForUpdates": "false",
+            "fetchNews": "false"
+          },
+          "@jupyterlab/application-extension:context-menu": {
+            "contextMenu": [
+              {
+                "command": "filebrowser:share-main",
+                "selector": ".jp-DirListing-item[data-isdir]",
+                "disabled": true
+              }
+            ]
+          }
+        }
 
 hub:
   services: