diff --git a/manila/share/drivers/service_instance.py b/manila/share/drivers/service_instance.py
index 1c129a2f74..27b671d66c 100644
--- a/manila/share/drivers/service_instance.py
+++ b/manila/share/drivers/service_instance.py
@@ -101,6 +101,14 @@ share_servers_handling_mode_opts = [
         help="Attach share server directly to share network. "
              "Used only with Neutron and "
              "if driver_handles_share_servers=True."),
+    cfg.StrOpt(
+        "service_instance_network_helper_type",
+        default=NEUTRON_NAME,
+        deprecated_for_removal=True,
+        deprecated_reason="This option isn't used any longer because "
+                          "nova networking is no longer supported.",
+        help="Used to select between neutron and nova helpers when "
+             "driver_handles_share_servers=True. Obsolete."),
     cfg.StrOpt(
         "admin_network_id",
         help="ID of neutron network used to communicate with admin network,"
diff --git a/releasenotes/notes/deprecate-service-instance-network-helper-option-82ff62a038f2bfa3.yaml b/releasenotes/notes/deprecate-service-instance-network-helper-option-82ff62a038f2bfa3.yaml
new file mode 100644
index 0000000000..4b951ddcaa
--- /dev/null
+++ b/releasenotes/notes/deprecate-service-instance-network-helper-option-82ff62a038f2bfa3.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - Deprecated the ``service_instance_network_helper_type`` option
+    for removal.  This option is no longer used for anything since
+    nova networking is no longer supported.