diff --git a/docker-compose/monitor/docker-compose.yml b/docker-compose/monitor/docker-compose.yml
index 90f925caaba..d0ed0c98419 100644
--- a/docker-compose/monitor/docker-compose.yml
+++ b/docker-compose/monitor/docker-compose.yml
@@ -9,7 +9,6 @@ services:
     environment:
       - METRICS_STORAGE_TYPE=prometheus
       - PROMETHEUS_SERVER_URL=http://prometheus:9090
-      - PROMETHEUS_QUERY_SUPPORT_SPANMETRICS_CONNECTOR=${PROMETHEUS_QUERY_SUPPORT_SPANMETRICS_CONNECTOR:-true}
       - PROMETHEUS_QUERY_DURATION_UNIT=${PROMETHEUS_QUERY_DURATION_UNIT:-}
       - PROMETHEUS_QUERY_NORMALIZE_CALLS=true
       - PROMETHEUS_QUERY_NORMALIZE_DURATION=true
diff --git a/plugin/metrics/prometheus/options.go b/plugin/metrics/prometheus/options.go
index 69bd2f155af..ad259a0b196 100644
--- a/plugin/metrics/prometheus/options.go
+++ b/plugin/metrics/prometheus/options.go
@@ -32,7 +32,6 @@ const (
 	defaultConnectTimeout = 30 * time.Second
 	defaultTokenFilePath  = ""
 
-	defaultSupportSpanmetricsConnector = true
 	// the default configuration here matches the default namespace in the span metrics connector
 	defaultMetricNamespace   = "traces_span_metrics"
 	defaultLatencyUnit       = "ms"