diff --git a/freebsd.eclass b/freebsd.eclass
index f293e4b..2788600 100644
--- a/freebsd.eclass
+++ b/freebsd.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2011 Gentoo Foundation
+# Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/eclass/freebsd.eclass,v 1.35 2013/08/28 15:56:11 aballier Exp $
 #
@@ -129,6 +129,11 @@ freebsd_rename_libraries() {
 freebsd_src_unpack() {
 	if [[ ${MY_PV} == *9999* ]]; then
 		S="${WORKDIR}" subversion_src_unpack
+
+		# When share/mk exists in ${WORKDIR}, it is used on FreeBSD 10.0.
+		if [[ ${PN} != freebsd-mk-defs ]] ; then
+			[[ -e "${WORKDIR}"/share/mk ]] && rm -rf "${WORKDIR}"/share/mk/*.mk
+		fi
 	else
 		unpack ${A}
 	fi