diff --git a/libwvdrmengine/src/wv_metrics.cpp b/libwvdrmengine/src/wv_metrics.cpp
index 73f7f0bd..0216ad8b 100644
--- a/libwvdrmengine/src/wv_metrics.cpp
+++ b/libwvdrmengine/src/wv_metrics.cpp
@@ -586,7 +586,6 @@ void FormatSessionMetricsItem(const WvCdmMetrics_SessionMetrics& metrics,
     os << " null  # [" << item_index << "]\n";
   }
 
-  FORMAT_OPTIONAL_VALUE(session_id, indent);
   FORMAT_OPTIONAL_CRYPTO_METRICS(crypto_metrics, indent);
   FORMAT_OPTIONAL_VALUE(cdm_session_life_span_ms, indent);
   FORMAT_REPEATED_DISTRIBUTION(cdm_session_renew_key_time_us, indent);