diff --git a/nova/conf/network.py b/nova/conf/network.py
index 9b2410e1fc6f..fa0c9d1c74a0 100644
--- a/nova/conf/network.py
+++ b/nova/conf/network.py
@@ -1142,6 +1142,11 @@ Related options:
 """),
     cfg.BoolOpt('allow_same_net_traffic',
         default=True,
+        deprecated_for_removal=True,
+        deprecated_since='16.0.0',
+        deprecated_reason="""
+nova-network is deprecated, as are any related configuration options.
+""",
         help="""
 Determine whether to allow network traffic from same network.
 
diff --git a/releasenotes/notes/deprecate-more-nova-network-opts-a9f87c79f7d26438.yaml b/releasenotes/notes/deprecate-more-nova-network-opts-a9f87c79f7d26438.yaml
index c0bddf7007eb..f28b4aafb9a2 100644
--- a/releasenotes/notes/deprecate-more-nova-network-opts-a9f87c79f7d26438.yaml
+++ b/releasenotes/notes/deprecate-more-nova-network-opts-a9f87c79f7d26438.yaml
@@ -43,3 +43,4 @@ deprecations:
     - ``public_interface``
     - ``routing_source_ip``
     - ``use_ipv6``
+    - ``allow_same_net_traffic``