diff --git a/target/linux/ar71xx/config-default b/target/linux/ar71xx/config-default
index 93caf0b93d..c714c48068 100644
--- a/target/linux/ar71xx/config-default
+++ b/target/linux/ar71xx/config-default
@@ -159,7 +159,6 @@ CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-2
 CONFIG_MTD_REDBOOT_PARTS=y
 CONFIG_MTD_REDBOOT_PARTS_READONLY=y
-CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_NATSEMI is not set