diff --git a/drivers/staging/greybus/i2c.c b/drivers/staging/greybus/i2c.c
index ab06fc3b9e7e..c48fa1de89b0 100644
--- a/drivers/staging/greybus/i2c.c
+++ b/drivers/staging/greybus/i2c.c
@@ -215,20 +215,6 @@ static int gb_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
 	return gb_i2c_transfer_operation(gb_i2c_dev, msgs, msg_count);
 }
 
-#if 0
-/* Later */
-static int gb_i2c_smbus_xfer(struct i2c_adapter *adap,
-			     u16 addr, unsigned short flags, char read_write,
-			     u8 command, int size, union i2c_smbus_data *data)
-{
-	struct gb_i2c_device *gb_i2c_dev;
-
-	gb_i2c_dev = i2c_get_adapdata(adap);
-
-	return 0;
-}
-#endif
-
 static u32 gb_i2c_functionality(struct i2c_adapter *adap)
 {
 	struct gb_i2c_device *gb_i2c_dev = i2c_get_adapdata(adap);