diff --git a/dev-db/tidb/tidb-0.5.ebuild b/dev-db/tidb/tidb-0.5.ebuild
deleted file mode 100644
index a0dbc50..0000000
--- a/dev-db/tidb/tidb-0.5.ebuild
+++ /dev/null
@@ -1,51 +0,0 @@
-# Copyright 1999-2016 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Id$
-
-EAPI=6
-
-GOLANG_PKG_IMPORTPATH="github.com/pingcap"
-GOLANG_PKG_VERSION="${PV}-alpha"
-GOLANG_PKG_ARCHIVEPREFIX="v"
-GOLANG_PKG_IS_MULTIPLE=1
-GOLANG_PKG_HAVE_TEST=1
-
-GOLANG_PKG_DEPENDENCIES=(
-	#"github.com/pingcap/go-hbase:7a98d1f"
-	"github.com/pingcap/go-hbase:528dd26"
-	#"github.com/pingcap/go-themis:dbb9966"
-	"github.com/pingcap/go-themis:a143501"
-	"github.com/golang/protobuf:6aaa8d4"
-	"github.com/ngaut/go-zookeeper:9c3719e"
-	"github.com/ngaut/tso:3e62d37"
-	"github.com/ngaut/deadline:fae8f9d"
-	"github.com/ngaut/zkhelper:6738bdc"
-	"github.com/coreos/etcd:bdee27b" #v2.2.4
-	"github.com/coreos/go-etcd:003851b"
-	"github.com/ngaut/pools:6352e00"
-	"github.com/ngaut/sync2:7a24ed7"
-	"github.com/ugorji/go:646ae4a"
-)
-
-inherit golang-single
-
-DESCRIPTION="TiDB is a distributed SQL database compatible with MySQL protocol"
-HOMEPAGE="https://${GOLANG_PKG_IMPORTPATH}/${PN}"
-
-LICENSE="Apache-2.0"
-SLOT="0"
-KEYWORDS="amd64 x86 arm"
-
-DEPEND="sys-apps/coreutils
-	dev-util/goyacc
-	dev-util/golex"
-
-src_prepare() {
-	golang-single_src_prepare
-
-	# generate lexer/parser
-	local TMPFILE="$( mktemp temp.XXXXXX )"
-	goyacc -o /dev/null -xegen ${TMPFILE} parser/parser.y || die
-	goyacc -o parser/parser.go -xe ${TMPFILE} parser/parser.y || die
-	golex -o parser/scanner.go parser/scanner.l || die
-}