diff --git a/target/linux/atheros/config-3.14 b/target/linux/atheros/config-3.14
index 8c6e68d08e..cf64454d2e 100644
--- a/target/linux/atheros/config-3.14
+++ b/target/linux/atheros/config-3.14
@@ -32,7 +32,6 @@ CONFIG_CPU_SUPPORTS_HIGHMEM=y
 CONFIG_CSRC_R4K=y
 CONFIG_DMA_NONCOHERENT=y
 CONFIG_EARLY_PRINTK=y
-# CONFIG_EARLY_PRINTK_8250 is not set
 CONFIG_ETHERNET_PACKET_MANGLE=y
 CONFIG_GENERIC_ATOMIC64=y
 CONFIG_GENERIC_CLOCKEVENTS=y
@@ -96,7 +95,6 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 # CONFIG_MIPS_MACHINE is not set
 CONFIG_MIPS_MT_DISABLED=y
 # CONFIG_MIPS_O32_FP64_SUPPORT is not set
-# CONFIG_MLX5_CORE is not set
 CONFIG_MODULES_USE_ELF_REL=y
 CONFIG_MTD_AR2315=y
 CONFIG_MTD_CFI_ADV_OPTIONS=y
@@ -110,7 +108,6 @@ CONFIG_MVSWITCH_PHY=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEED_PER_CPU_KM=y
 CONFIG_NET_AR231X=y
-CONFIG_NET_RX_BUSY_POLL=y
 CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_PCI=y
@@ -135,5 +132,4 @@ CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
 CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
 CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_USB_SUPPORT=y
-# CONFIG_ZBUD is not set
 CONFIG_ZONE_DMA_FLAG=0