diff --git a/include/configs/colibri_imx6.h b/include/configs/colibri_imx6.h
index cbc7501..4cdd3c5 100644
--- a/include/configs/colibri_imx6.h
+++ b/include/configs/colibri_imx6.h
@@ -134,8 +134,6 @@
 #define MEM_LAYOUT_ENV_SETTINGS \
 	"bootm_size=0x10000000\0" \
 	"fdt_addr_r=0x12100000\0" \
-	"fdt_high=0xffffffff\0" \
-	"initrd_high=0xffffffff\0" \
 	"kernel_addr_r=0x11000000\0" \
 	"pxefile_addr_r=0x17100000\0" \
 	"ramdisk_addr_r=0x12200000\0" \