diff --git a/arch/arm/configs/rx51_defconfig b/arch/arm/configs/rx51_defconfig
index 45135ffadc57d4532ca8985911566174b5ff8c02..cc6a32a80c94cb1ba1af91ec127eeee8aed94d8d 100644
--- a/arch/arm/configs/rx51_defconfig
+++ b/arch/arm/configs/rx51_defconfig
@@ -480,7 +480,6 @@ CONFIG_BT_HIDP=m
 # CONFIG_BT_HCIBFUSB is not set
 # CONFIG_BT_HCIVHCI is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
 CONFIG_WIRELESS=y
 CONFIG_CFG80211=y
 # CONFIG_CFG80211_REG_DEBUG is not set