diff --git a/nix/module-eval.nix b/nix/module-eval.nix
index 05c3b2ba..a1a27059 100644
--- a/nix/module-eval.nix
+++ b/nix/module-eval.nix
@@ -108,6 +108,9 @@ let
   baoTwoAddresses = hive {
     deploy.bao.enable = true;
     deploy.bao.extraListenAddresses = [ "10.0.0.1" ];
+    # Pinned, not incidental: the case counting these listeners is about the
+    # declared addresses, and a collector on this host would add one of its own.
+    deploy.swarm-otel.enable = false;
   };
   # The store with and without a collector on the same host. `scrapeTargets`
   # is only ever read by a local collector, so the metrics endpoint is a