diff --git a/meta-yocto/recipes-kernel/linux/linux-yocto_3.0.bbappend b/meta-yocto/recipes-kernel/linux/linux-yocto_3.0.bbappend
index 2313034b54..d0608bc0fe 100644
--- a/meta-yocto/recipes-kernel/linux/linux-yocto_3.0.bbappend
+++ b/meta-yocto/recipes-kernel/linux/linux-yocto_3.0.bbappend
@@ -3,9 +3,6 @@ KBRANCH_routerstationpro = "yocto/standard/routerstationpro"
 KBRANCH_mpc8315e-rdb = "yocto/standard/fsl-mpc8315e-rdb"
 KBRANCH_beagleboard = "yocto/standard/beagleboard"
 
-# temporary until 3.0 tree is updated to have machine mapping
-KMACHINE_mpc8315e-rdb = "fsl-mpc8315e-rdb"
-
 SRCREV_machine_atom-pc ?= "45d64709c00fce6e9b76a638c4ca6f30a8e9d25a"
 SRCREV_machine_routerstationpro ?= "21bd4a0a3b0f061e4640dd1011ebc94d122b5e40"
 SRCREV_machine_mpc8315e-rdb ?= "0c781e306559d5e9816e202a60aa2543f4eea39e"
diff --git a/meta-yocto/recipes-kernel/linux/linux-yocto_3.2.bbappend b/meta-yocto/recipes-kernel/linux/linux-yocto_3.2.bbappend
index 815650aec9..dfb019ba2c 100644
--- a/meta-yocto/recipes-kernel/linux/linux-yocto_3.2.bbappend
+++ b/meta-yocto/recipes-kernel/linux/linux-yocto_3.2.bbappend
@@ -1,8 +1,3 @@
-KMACHINE_atom-pc  = "atom-pc"
-KMACHINE_routerstationpro = "routerstationpro"
-KMACHINE_mpc8315e-rdb = "fsl-mpc8315e-rdb"
-KMACHINE_beagleboard = "beagleboard"
-
 KBRANCH_atom-pc  = "standard/default/common-pc/atom-pc"
 KBRANCH_routerstationpro = "standard/default/routerstationpro"
 KBRANCH_mpc8315e-rdb = "standard/default/fsl-mpc8315e-rdb"