diff --git a/sys-kernel/backbone-sources/Manifest b/sys-kernel/backbone-sources/Manifest
index 3a69c7b6..96611be1 100644
--- a/sys-kernel/backbone-sources/Manifest
+++ b/sys-kernel/backbone-sources/Manifest
@@ -5,4 +5,3 @@ DIST linux-backbone-3.13.11-r4.tar.gz 118222132 SHA256 bcdb5f8f7874950cb3619492f
 DIST linux-backbone-3.14.25.tar.gz 121603205 SHA256 0fa72099ab7378aad3484980063969adf861185bbdb419d9f63956a4151a6643 SHA512 f65d19b5a5894c073557a587c2958926195771295b11e1e43474356b2c4885756c3971a1ab40d486966a32bc57f6aa3422de4e420e27f00025d5e7a7a009f1a4 WHIRLPOOL e2709fb9afddfaf9ed8f49187beceede7140300f55a15027fe46ebb4196fbd3f532797075bbe3437cd9a305dcd0c5d2ea63b5829fb6ce3bf50b535b8126bb5cc
 DIST linux-backbone-3.15.10-r2.tar.gz 110473216 SHA256 fc5630c26342ef1347b9cfc4be5e8eae189c724f085def249b676d3c4897ca2e SHA512 3df67ada2adc2779005161f998cf0c8ee4c1a42b1c22cc777bc6dc28c44df02a2f3493419d00aa4727e1cde3223e6af83b910057541fa6cc7cd77f92e01589ac WHIRLPOOL 25d44d926d863f515382b9aa1d3076044bd3d8d624a8509faa1c54ea59442b6ccb949ccf32d9c4bb96355dbb783dc9367bf935b9e535023614ee73ede781647d
 DIST linux-backbone-3.16.7-r1.tar.gz 123538562 SHA256 49b9ef251ad3387e4f564040cb21570c13affcfa99b3d2800c5edb8f0ad6f67e SHA512 fafb8a162dcc1a15b8843d31cec2a54f3509cf24dca06ba466cbfcaa0ad8da31ef3aa752ae9eb40839bbe619d3a50552c453f8758a2e6b29cc1c74b92f888a4d WHIRLPOOL 0ee5e76c62b7f232f55ba040365584ea52745d7d313e30b82f468191033a8d3ec824a4f365207552f276feed156f9874b9e4123cac7ce237578a68a73a4511e9
-DIST linux-backbone-3.17.4.tar.gz 123167817 SHA256 ebf4ae043c9a87ab77d680f846be60fc9776476baac2612ca494d64a79ed6abb SHA512 539d19f847afc6ad282aed90f4368d5513a346bbd5845a65c70ae77877d3d3da0af1bfb1d4bbaa7ce12c1e6273affb15ad8516e2cfc8930cdc23c5e4abb5178a WHIRLPOOL 092afc81b1951c0481b6bf0883a04ae90dd30904bbdb8b386bbb8479f20a2020b864a7ec27c259d4deaa2bcb87713178805fc09997b06622a880ee3d67cf9aa4
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.17.4.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.17.4.ebuild
deleted file mode 100644
index b714ca8b..00000000
--- a/sys-kernel/backbone-sources/backbone-sources-3.17.4.ebuild
+++ /dev/null
@@ -1,33 +0,0 @@
-# Copyright 1999-2013 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: $
-
-EAPI="5"
-ETYPE="sources"
-inherit kernel-2
-detect_version
-detect_arch
-
-KEYWORDS="-* ~amd64 ~x86"
-HOMEPAGE="https://git.backbone.ws/linux/backbone-sources"
-SLOT="3.17.4"
-PROVIDE="virtual/linux-sources"
-
-DESCRIPTION="Full kernel sources including Zen, TuxOnIce, Gcc, BLD, cjktty for ${KV_MAJOR}.${KV_MINOR} kernel tree"
-SRC_URI="https://git.backbone.ws/linux/backbone-sources/archive-tarball/v${PVR}.tgz -> linux-backbone-${PVR}.tar.gz"
-
-src_unpack() {
-	tar -xf ${DISTDIR}/linux-backbone-${PVR}.tar.gz
-	if [[ ${PR} != "r0" ]]; then REV="-${PR}"; fi
-	mv ${WORKDIR}/linux-backbone-sources ${WORKDIR}/linux-${PV}-backbone${REV}
-}
-
-pkg_postinst() {
-	kernel-2_pkg_postinst
-	einfo "For more info on this patchset, and how to report problems, see:"
-	einfo "${HOMEPAGE}"
-}
-
-pkg_postrm() {
-	kernel-2_pkg_postrm
-}