diff --git a/target/linux/ixp4xx/config-2.6.30 b/target/linux/ixp4xx/config-2.6.30
index b569faa5eb..982e9b7d2c 100644
--- a/target/linux/ixp4xx/config-2.6.30
+++ b/target/linux/ixp4xx/config-2.6.30
@@ -82,6 +82,7 @@ CONFIG_I2C_GPIO=y
 # CONFIG_I2C_IOP3XX is not set
 CONFIG_I2C=y
 CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_INPUT_IXP4XX_BEEPER is not set
 CONFIG_IP_MROUTE=y
 CONFIG_IP_PIMSM_V1=y
 CONFIG_IP_PIMSM_V2=y