1 files changed, 0 insertions, 3 deletions

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 1ead5195fde4..be35332b67e6 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -508,9 +508,6 @@ union i2c_smbus_data {
 #define I2C_FUNCS       0x0705  /* Get the adapter functionality */
 #define I2C_RDWR        0x0707  /* Combined R/W transfer (one stop only)*/
 #define I2C_PEC         0x0708  /* != 0 for SMBus PEC                   */
-#if 0
-#define I2C_ACK_TEST    0x0710  /* See if a slave is at a specific address */
-#endif
 
 #define I2C_SMBUS       0x0720  /* SMBus-level access */