diff --git a/target/linux/magicbox/config-default b/target/linux/magicbox/config-default
index f0c1992b71..1dd406b11a 100644
--- a/target/linux/magicbox/config-default
+++ b/target/linux/magicbox/config-default
@@ -81,7 +81,7 @@ CONFIG_LZO_COMPRESS=m
 CONFIG_LZO_DECOMPRESS=m
 # CONFIG_MACINTOSH_DRIVERS is not set
 CONFIG_MAGICBOX=y
-CONFIG_MATH_EMULATION=y
+# CONFIG_MATH_EMULATION is not set
 # CONFIG_MEDIA_ATTACH is not set
 CONFIG_MTD=y
 # CONFIG_MTD_ABSENT is not set