diff --git a/arch b/arch
index 6e62a82efb..fab7376e23 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 6e62a82efb16b69c704888c98a4c44442c69b803
+Subproject commit fab7376e230534ef45d55f4a575da24f86b01360
diff --git a/include/nuttx/i2c/i2c_master.h b/include/nuttx/i2c/i2c_master.h
index 9ff3357a30..1c5ddb0d93 100644
--- a/include/nuttx/i2c/i2c_master.h
+++ b/include/nuttx/i2c/i2c_master.h
@@ -153,10 +153,6 @@ struct i2c_ops_s
 {
   uint32_t (*setfrequency)(FAR struct i2c_master_s *dev, uint32_t frequency);
   int      (*setaddress)(FAR struct i2c_master_s *dev, int addr, int nbits);
-  int      (*write)(FAR struct i2c_master_s *dev, FAR const uint8_t *buffer,
-             int buflen);
-  int      (*read)(FAR struct i2c_master_s *dev, FAR uint8_t *buffer,
-             int buflen);
   int      (*transfer)(FAR struct i2c_master_s *dev, FAR struct i2c_msg_s *msgs,
              int count);
 };