diff --git a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/virtual/perf-1 b/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/virtual/perf-1
deleted file mode 100644
index 66609276fa..0000000000
--- a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/virtual/perf-1
+++ /dev/null
@@ -1,10 +0,0 @@
-DEFINED_PHASES=-
-DESCRIPTION=Chrome OS perf virtual package
-EAPI=0
-HOMEPAGE=http://src.chromium.org
-IUSE=kernel_next
-KEYWORDS=amd64 arm x86
-LICENSE=GPL-2
-RDEPEND=kernel_next? ( dev-util/perf-next ) !kernel_next? ( dev-util/perf )
-SLOT=0
-_md5_=678a887394e8e23f738e2af33743d6c5
diff --git a/sdk_container/src/third_party/coreos-overlay/virtual/perf/metadata.xml b/sdk_container/src/third_party/coreos-overlay/virtual/perf/metadata.xml
deleted file mode 100644
index 097975e3ad..0000000000
--- a/sdk_container/src/third_party/coreos-overlay/virtual/perf/metadata.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
-</pkgmetadata>
diff --git a/sdk_container/src/third_party/coreos-overlay/virtual/perf/perf-1.ebuild b/sdk_container/src/third_party/coreos-overlay/virtual/perf/perf-1.ebuild
deleted file mode 100644
index 5e02c3faa7..0000000000
--- a/sdk_container/src/third_party/coreos-overlay/virtual/perf/perf-1.ebuild
+++ /dev/null
@@ -1,15 +0,0 @@
-# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
-# Distributed under the terms of the GNU General Public License v2
-
-DESCRIPTION="Chrome OS perf virtual package"
-HOMEPAGE="http://src.chromium.org"
-
-LICENSE="GPL-2"
-SLOT="0"
-KEYWORDS="amd64 arm x86"
-IUSE="kernel_next"
-
-RDEPEND="
-	kernel_next? ( dev-util/perf-next )
-	!kernel_next? ( dev-util/perf )
-"