diff --git a/manila/common/config.py b/manila/common/config.py
index a69cdcddbe..30825b4308 100644
--- a/manila/common/config.py
+++ b/manila/common/config.py
@@ -44,8 +44,6 @@ core_opts = [
     cfg.StrOpt('state_path',
                default='/var/lib/manila',
                help="Top-level directory for maintaining manila's state."),
-    cfg.StrOpt('os_region_name',
-               help='Region name of this node.'),
 ]
 
 debug_opts = [
diff --git a/releasenotes/notes/remove-os-region-name-82e3cd4c7fb05ff4.yaml b/releasenotes/notes/remove-os-region-name-82e3cd4c7fb05ff4.yaml
new file mode 100644
index 0000000000..bdc1932a08
--- /dev/null
+++ b/releasenotes/notes/remove-os-region-name-82e3cd4c7fb05ff4.yaml
@@ -0,0 +1,5 @@
+---
+other:
+  - |
+    The configuration option "os_region_name" from the [DEFAULT] group got
+    removed. It was not used anywhere.