diff --git a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
index 64abc65..64f097d 100644
--- a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
@@ -125,9 +125,6 @@
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_SLAVE_EEPROM=y
-CONFIG_I2C_DEBUG_CORE=y
-CONFIG_I2C_DEBUG_ALGO=y
-CONFIG_I2C_DEBUG_BUS=y
 CONFIG_SPI=y
 CONFIG_DEBUG_PINCTRL=y
 CONFIG_GPIO_ASPEED=y