diff --git a/charts/jupyter-hub-customizations/Chart.yaml b/charts/jupyter-hub-customizations/Chart.yaml
index 2b18fd6c344cd6dc6b0cb58149ceb155e7db7524..6f79c1fd5520360c386e16988119ad397f09c03b 100644
--- a/charts/jupyter-hub-customizations/Chart.yaml
+++ b/charts/jupyter-hub-customizations/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.16.5
+version: 0.16.6
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
diff --git a/charts/jupyter-hub-customizations/templates/configmap_custom.yaml b/charts/jupyter-hub-customizations/templates/configmap_custom.yaml
index 107932ab1d4c597988adcc16ea655d5b3d216abc..0a68b5a8a62ca694a81f7c15d7f68d75c6f4e0ce 100644
--- a/charts/jupyter-hub-customizations/templates/configmap_custom.yaml
+++ b/charts/jupyter-hub-customizations/templates/configmap_custom.yaml
@@ -965,10 +965,6 @@ data:
       {}
       {{- end }}
     hostname: {{ .Values.global.hostname }}
-    announcement:
-      show: {{ .Values.customConfig.announcement.show }}
-      title: {{ .Values.customConfig.announcement.title }}
-      body: {{ .Values.customConfig.announcement.body }}
     {{- if or
       .Values.customConfig.binderRepos.repos
       .Values.customConfig.binderRepos.notebookTypes
diff --git a/charts/jupyter-hub-customizations/values.yaml b/charts/jupyter-hub-customizations/values.yaml
index 8fd7c441a74e253c037ea68eb3629755eddfcd81..1ba9b44d2d05aa744a4a6bd1158f8e4ccd72b609 100644
--- a/charts/jupyter-hub-customizations/values.yaml
+++ b/charts/jupyter-hub-customizations/values.yaml
@@ -338,7 +338,6 @@ customConfig:
     - services
     - userModules
     - backendServices
-    - announcement
     - groups
     - systems
     - incidentCheck
@@ -457,10 +456,6 @@ customConfig:
             - LocalDummy
             - Dummy
     additionalServices: {}
-  announcement:
-    show: false
-    title: "Maintenance 19.10.2023 - 20.10.2023"
-    body: "Scheduled maintenance on the network-backbone of the JSC datacenter. We will be back online friday morning-noon."
   binderRepos:
     repos:
       - GitHub