diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index a5578324b9..3dfc5c87af 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -2762,7 +2762,6 @@ virDomainNetDefFree(virDomainNetDef *def)
     g_free(def->backend.tap);
     g_free(def->backend.vhost);
     g_free(def->backend.logFile);
-    g_free(def->backend.upstream);
     virDomainNetTeamingInfoFree(def->teaming);
     g_free(def->virtPortProfile);
     g_free(def->script);
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 62f80d653d..7d58efb011 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1061,7 +1061,6 @@ struct _virDomainNetBackend {
     char *vhost;
     /* The following are currently only valid/used when backend type='passt' */
     char *logFile;  /* path to logfile used by passt process */
-    char *upstream; /* host interface to use for traffic egress */
 };
 
 struct _virDomainNetPortForwardRange {