diff --git a/docker/telemetry/xrpld-telemetry.cfg b/docker/telemetry/xrpld-telemetry.cfg
index b362465b7a..325e195b95 100644
--- a/docker/telemetry/xrpld-telemetry.cfg
+++ b/docker/telemetry/xrpld-telemetry.cfg
@@ -108,15 +108,13 @@ data/logs/devnet/debug.log
 
 # --- Insight (native OTel metrics via beast::insight) -----------------------
 
+# server is the only key that changes behaviour here. No prefix: formatName()
+# ignores it, so names stay bare (jobq_job_count). service_instance_id is read
+# and discarded (OTelCollector.cpp `(void)instanceId`); the label Prometheus
+# shows comes from [telemetry] service_instance_id below.
 [insight]
 server=otel
 endpoint=http://localhost:4318/v1/metrics
-prefix=xrpld
-# Sets the OTel service.instance.id resource attribute, which Prometheus
-# exposes as the `service_instance_id` label. Dashboards filter on it via the
-# $node template variable, so without this every insight-backed panel is
-# empty. Matches [telemetry] service_instance_id for a single node identity.
-service_instance_id=xrpld-devnet
 
 # --- OpenTelemetry tracing --------------------------------------------------