diff --git a/eclass/mysql.eclass b/eclass/mysql.eclass
index 9a8c52d..3042bd2 100644
--- a/eclass/mysql.eclass
+++ b/eclass/mysql.eclass
@@ -387,13 +387,7 @@ configure_51() {
 		elog "http://dev.mysql.com/doc/refman/5.1/en/federated-limitations.html"
 	fi
 
-	# Upstream specifically requests that InnoDB always be built.
-	 if use xtradb ; then
-		[[ -d storage/xtradb ]] && plugins="${plugins},innobase"
-		[[ ! -d storage/xtradb ]] && eerror "use xtradb but no Percona xtradb plugin"
-	else
-		plugins="${plugins},innobase"
-	fi
+	plugins="${plugins},innobase"
 
 	# like configuration=max-no-ndb
 	if use cluster ; then