diff --git a/NG-RO/osm_ng_ro/monitor.py b/NG-RO/osm_ng_ro/monitor.py
index b9a590857b1c4feafe13132a99e5ba760a0d55af..529ce0e1a55e885d3a514937b4d0c631ba2c9534 100644
--- a/NG-RO/osm_ng_ro/monitor.py
+++ b/NG-RO/osm_ng_ro/monitor.py
@@ -419,7 +419,6 @@ class MonitorVms:
             {
                 "vim_status": "DELETED",
                 "vim_message": "Deleted externally",
-                "vim_details": None,
                 "vim_id": None,
                 "vim_name": None,
                 "interfaces": None,
diff --git a/NG-RO/osm_ng_ro/tests/sample_data.py b/NG-RO/osm_ng_ro/tests/sample_data.py
index b631d8c474fd1019e9304e3ff1895d4e98264e14..e85ce35e24b53ed7ecaf8492ea05e63f59e3d042 100644
--- a/NG-RO/osm_ng_ro/tests/sample_data.py
+++ b/NG-RO/osm_ng_ro/tests/sample_data.py
@@ -46,7 +46,6 @@ server_other_info = {
 deleted_externally = {
     "vim_status": "DELETED",
     "vim_message": "Deleted externally",
-    "vim_details": None,
     "vim_id": None,
     "vim_name": None,
     "interfaces": None,
diff --git a/NG-RO/osm_ng_ro/tests/test_monitor.py b/NG-RO/osm_ng_ro/tests/test_monitor.py
index cb61621ae14e0212d6aa623f5e8ef14a82621dd0..23e6d5238fdec4fb2306570c00acc9a87e17adba 100644
--- a/NG-RO/osm_ng_ro/tests/test_monitor.py
+++ b/NG-RO/osm_ng_ro/tests/test_monitor.py
@@ -1153,7 +1153,6 @@ class TestMonitorVms(unittest.TestCase):
         vdur_vim_info_update = {
             "vim_status": "ACTIVE",
             "vim_message": None,
-            "vim_details": None,
             "vim_id": vm1_id,
             "vim_name": "test7-vnf-hackfest_basic-VM-000000",
         }
diff --git a/releasenotes/notes/keep_vim_details-266dc59a30b62519.yaml b/releasenotes/notes/keep_vim_details-266dc59a30b62519.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..0f88597ddf303c7881af5457876a551f69810ec1
--- /dev/null
+++ b/releasenotes/notes/keep_vim_details-266dc59a30b62519.yaml
@@ -0,0 +1,21 @@
+#######################################################################################
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#######################################################################################
+---
+fixes:
+  - |
+     vim_details was set to None while reporting VM deletion by mistake. vim_details are kept by this fix.
+