diff --git a/meta-yocto/conf/toasterconf.json b/meta-yocto/conf/toasterconf.json
index 3df1703068..3f79f426cd 100644
--- a/meta-yocto/conf/toasterconf.json
+++ b/meta-yocto/conf/toasterconf.json
@@ -4,8 +4,7 @@
         "DISTRO"       : "poky",
         "IMAGE_FSTYPES": "ext3 jffs2 tar.bz2",
         "IMAGE_INSTALL_append": "",
-        "PACKAGE_CLASSES": "package_rpm",
-        "SDKMACHINE"   : "x86_64"
+        "PACKAGE_CLASSES": "package_rpm"
     },
     "layersources": [
         {