diff --git a/reference/emerging-technology-and-inactive-projects.rst b/reference/emerging-technology-and-inactive-projects.rst
index 36fd68133..426a883e7 100644
--- a/reference/emerging-technology-and-inactive-projects.rst
+++ b/reference/emerging-technology-and-inactive-projects.rst
@@ -125,15 +125,11 @@ No emerging projects at this moment
 
 Current Inactive Projects
 -------------------------
-* Monasca
 
-  * Inactive since 2024.1 cycle
-  * Extension in 2024.2 cycle
-  * Extension in 2025.1 cycle
-  * Extension in 2025.2 cycle
 * Venus
 
   * Inactive since 2026.1 cycle
 * Vitrage
 
   * Inactive since 2026.1 cycle
+
diff --git a/reference/legacy.yaml b/reference/legacy.yaml
index 4b039bfdc..2cfb2f1a0 100644
--- a/reference/legacy.yaml
+++ b/reference/legacy.yaml
@@ -579,15 +579,96 @@ MagnetoDB:
         - type:library
 
 monasca:
-  partial: yes
   irc-channel: openstack-monasca
   service: Monitoring
+  mission: >
+    To provide a multi-tenant, highly scalable, performant, fault-tolerant
+    monitoring-as-a-service solution for metrics, complex event processing
+    and logging. To build an extensible platform for advanced monitoring
+    services that can be used by both operators and tenants to gain
+    operational insight and visibility, ensuring availability and stability.
   url: https://wiki.openstack.org/wiki/Monasca
+  retired-on: 2025-08-11
   deliverables:
     monasca-analytics:
       retired-on: 2020-10-22
       repos:
         - openstack/monasca-analytics
+    monasca-api:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-api
+    monasca-log-api:
+      deprecated: ussuri
+      release-management: deprecated
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-log-api
+    monasca-events-api:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-events-api
+    monasca-specs:
+      release-management: none
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-specs
+    monasca-notification:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-notification
+    monasca-persister:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-persister
+    monasca-tempest-plugin:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-tempest-plugin
+    monasca-thresh:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-thresh
+    monasca-common:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-common
+    monasca-ui:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-ui
+    python-monascaclient:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/python-monascaclient
+    monasca-agent:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-agent
+    monasca-statsd:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-statsd
+    monasca-ceilometer:
+      deprecated: ussuri
+      release-management: deprecated
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-ceilometer
+    monasca-transform:
+      deprecated: victoria
+      release-management: deprecated
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-transform
+    monasca-grafana-datasource:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-grafana-datasource
+    monasca-kibana-plugin:
+      retired-on: 2025-08-11
+      repos:
+        - openstack/monasca-kibana-plugin
 
 murano:
   irc-channel: murano
diff --git a/reference/projects.yaml b/reference/projects.yaml
index b9bf48c26..2fb4c2f68 100644
--- a/reference/projects.yaml
+++ b/reference/projects.yaml
@@ -774,85 +774,7 @@ mistral:
     mistral-extra:
       repos:
         - openstack/mistral-extra
-monasca:
-  ptl:
-    name: APPOINTMENT NEEDED
-    irc: No nick supplied
-    email: example@example.org
-  appointed:
-    - xena
-    - yoga
-    - zed
-    - '2023.2'
-  irc-channel: openstack-monasca
-  service: Monitoring
-  mission: >
-    To provide a multi-tenant, highly scalable, performant, fault-tolerant
-    monitoring-as-a-service solution for metrics, complex event processing
-    and logging. To build an extensible platform for advanced monitoring
-    services that can be used by both operators and tenants to gain
-    operational insight and visibility, ensuring availability and stability.
-  url: https://wiki.openstack.org/wiki/Monasca
-  status: inactive
-  deliverables:
-    monasca-api:
-      repos:
-        - openstack/monasca-api
-    monasca-log-api:
-      deprecated: ussuri
-      release-management: deprecated
-      repos:
-        - openstack/monasca-log-api
-    monasca-events-api:
-      repos:
-        - openstack/monasca-events-api
-    monasca-specs:
-      release-management: none
-      repos:
-        - openstack/monasca-specs
-    monasca-notification:
-      repos:
-        - openstack/monasca-notification
-    monasca-persister:
-      repos:
-        - openstack/monasca-persister
-    monasca-tempest-plugin:
-      repos:
-        - openstack/monasca-tempest-plugin
-    monasca-thresh:
-      repos:
-        - openstack/monasca-thresh
-    monasca-common:
-      repos:
-        - openstack/monasca-common
-    monasca-ui:
-      repos:
-        - openstack/monasca-ui
-    python-monascaclient:
-      repos:
-        - openstack/python-monascaclient
-    monasca-agent:
-      repos:
-        - openstack/monasca-agent
-    monasca-statsd:
-      repos:
-        - openstack/monasca-statsd
-    monasca-ceilometer:
-      deprecated: ussuri
-      release-management: deprecated
-      repos:
-        - openstack/monasca-ceilometer
-    monasca-transform:
-      deprecated: victoria
-      release-management: deprecated
-      repos:
-        - openstack/monasca-transform
-    monasca-grafana-datasource:
-      repos:
-        - openstack/monasca-grafana-datasource
-    monasca-kibana-plugin:
-      repos:
-        - openstack/monasca-kibana-plugin
+
 neutron:
   ptl:
     name: Brian Haley