diff --git a/meta-yocto/conf/distro/include/distro_alias.inc b/meta-yocto/conf/distro/include/distro_alias.inc
index 4c838c8b63..a115d9bfbb 100644
--- a/meta-yocto/conf/distro/include/distro_alias.inc
+++ b/meta-yocto/conf/distro/include/distro_alias.inc
@@ -109,9 +109,6 @@ DISTRO_PN_ALIAS_pn-eglinfo-x11 = "OE-Core"
 DISTRO_PN_ALIAS_pn-emgd-driver-bin = "Intel"
 DISTRO_PN_ALIAS_pn-encodings = "Ubuntu=xfonts-encodings Mandriva=x11-font-encodings Debian=xfonts-encodings"
 DISTRO_PN_ALIAS_pn-evieext = "Meego=xorg-x11-proto-evieext Debian=x11proto-evie"
-DISTRO_PN_ALIAS_pn-external-csl-toolchain = "OE-Core"
-DISTRO_PN_ALIAS_pn-external-poky-toolchain = "OE-Core"
-DISTRO_PN_ALIAS_pn-external-python-tarball = "OE-Core"
 DISTRO_PN_ALIAS_pn-fixesproto = "Meego=xorg-x11-proto-fixesproto"
 DISTRO_PN_ALIAS_pn-font-alias = "Fedora=xorg-x11-fonts-base Mandriva=x11-font-alias Meego=xorg-x11-fonts"
 DISTRO_PN_ALIAS_pn-fontcacheproto = "Meego=xorg-x11-proto-fontcacheproto"