diff --git a/target/linux/ramips/rt288x/config-3.18 b/target/linux/ramips/rt288x/config-3.18
index f8ef0b16ca..563e923080 100644
--- a/target/linux/ramips/rt288x/config-3.18
+++ b/target/linux/ramips/rt288x/config-3.18
@@ -128,6 +128,7 @@ CONFIG_PAGEFLAGS_EXTENDED=y
 # CONFIG_PCI is not set
 CONFIG_PERF_USE_VMALLOC=y
 CONFIG_PHYLIB=y
+# CONFIG_PHY_RALINK_USB is not set
 # CONFIG_PINCONF is not set
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_RT2880=y