diff --git a/meta/classes-recipe/kernel-arch.bbclass b/meta/classes-recipe/kernel-arch.bbclass
index fd6bce11460..bc90e2e840b 100644
--- a/meta/classes-recipe/kernel-arch.bbclass
+++ b/meta/classes-recipe/kernel-arch.bbclass
@@ -8,7 +8,7 @@
 # modules). return value must match one of the architecture directories
 # in the kernel source "arch" directory
 export ARCH = "${@oe.kernel.map_kernel_arch(d)}"
-export UBOOT_ARCH = "${@oe.kernel.map_uboot_arch(d)}"
+UBOOT_ARCH = "${@oe.kernel.map_uboot_arch(d)}"
 
 # Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
 # specific options necessary for building the kernel and modules.