diff --git a/CHANGES b/CHANGES
index e424e17..2605557 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,7 @@ i2c-tools CHANGES
 -----------------
 
 SVN
+  i2c-dev.h: Drop I2C_FUNC_SMBUS_*I2C_BLOCK_2 defines
   decode-dimms: Add support for little-endian word hexdumps
   decode-vaio: Remove history
   i2cdetect: Support i2c bus passed by name
diff --git a/include/linux/i2c-dev.h b/include/linux/i2c-dev.h
index 0e1291b..15db8b0 100644
--- a/include/linux/i2c-dev.h
+++ b/include/linux/i2c-dev.h
@@ -67,8 +67,6 @@ struct i2c_msg {
 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 
 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK	0x04000000 /* I2C-like block xfer  */
 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK	0x08000000 /* w/ 1-byte reg. addr. */
-#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2	 0x10000000 /* I2C-like block xfer  */
-#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
 
 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
                              I2C_FUNC_SMBUS_WRITE_BYTE)
@@ -80,8 +78,6 @@ struct i2c_msg {
                                    I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
                                   I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
-#define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
-                                    I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
 
 /* Old name, for compatibility */
 #define I2C_FUNC_SMBUS_HWPEC_CALC	I2C_FUNC_SMBUS_PEC