diff --git a/tools/xenstore/xenstored_domain.c b/tools/xenstore/xenstored_domain.c
index 5858185211..06359503f0 100644
--- a/tools/xenstore/xenstored_domain.c
+++ b/tools/xenstore/xenstored_domain.c
@@ -55,10 +55,6 @@ struct domain
 	   repeated domain introductions. */
 	evtchn_port_t remote_port;
 
-	/* The mfn associated with the event channel, used only to validate
-	   repeated domain introductions. */
-	unsigned long mfn;
-
 	/* Domain path in store. */
 	char *path;
 
@@ -363,13 +359,12 @@ static void domain_conn_reset(struct domain *domain)
 	domain->interface->rsp_cons = domain->interface->rsp_prod = 0;
 }
 
-/* domid, mfn, evtchn, path */
+/* domid, gfn, evtchn, path */
 int do_introduce(struct connection *conn, struct buffered_data *in)
 {
 	struct domain *domain;
 	char *vec[3];
 	unsigned int domid;
-	unsigned long mfn;
 	evtchn_port_t port;
 	int rc;
 	struct xenstore_domain_interface *interface;
@@ -381,7 +376,7 @@ int do_introduce(struct connection *conn, struct buffered_data *in)
 		return EACCES;
 
 	domid = atoi(vec[0]);
-	mfn = atol(vec[1]);
+	/* Ignore the gfn, we don't need it. */
 	port = atoi(vec[2]);
 
 	/* Sanity check args. */
@@ -402,21 +397,19 @@ int do_introduce(struct connection *conn, struct buffered_data *in)
 			return rc;
 		}
 		domain->interface = interface;
-		domain->mfn = mfn;
 
 		/* Now domain belongs to its connection. */
 		talloc_steal(domain->conn, domain);
 
 		fire_watches(NULL, in, "@introduceDomain", false);
-	} else if ((domain->mfn == mfn) && (domain->conn != conn)) {
+	} else {
 		/* Use XS_INTRODUCE for recreating the xenbus event-channel. */
 		if (domain->port)
 			xenevtchn_unbind(xce_handle, domain->port);
 		rc = xenevtchn_bind_interdomain(xce_handle, domid, port);
 		domain->port = (rc == -1) ? 0 : rc;
 		domain->remote_port = port;
-	} else
-		return EINVAL;
+	}
 
 	domain_conn_reset(domain);