diff --git a/sharing/proto/analytics/nearby_sharing_log.proto b/sharing/proto/analytics/nearby_sharing_log.proto
index 336f2b2a..147d9e5c 100644
--- a/sharing/proto/analytics/nearby_sharing_log.proto
+++ b/sharing/proto/analytics/nearby_sharing_log.proto
@@ -407,7 +407,6 @@ message SharingLog {
     // not designed to be joined with other sessions/events of the same user to
     // reconstruct particular user's activity pattern.
     optional int64 session_id = 6 /* type = ST_SESSION_ID */;
-    optional int32 vendor_id = 7 [(datapol.semantic_type) = ST_PARTNER_ID];
   }
 
   // TODO(fdi): may consider adding a field about decipherability later.