diff --git a/target/linux/ramips/mt76x8/config-4.14 b/target/linux/ramips/mt76x8/config-4.14
index eb74043007..287ceec871 100644
--- a/target/linux/ramips/mt76x8/config-4.14
+++ b/target/linux/ramips/mt76x8/config-4.14
@@ -121,6 +121,7 @@ CONFIG_HW_HAS_PCI=y
 CONFIG_HZ_PERIODIC=y
 CONFIG_ICPLUS_PHY=y
 CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_IR_PWM_TX is not set
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_FORCED_THREADING=y