diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 961b206f6ab2..23574c328616 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -813,7 +813,6 @@ struct regmap *__regmap_init(struct device *dev,
 	if (!bus) {
 		map->reg_read  = config->reg_read;
 		map->reg_write = config->reg_write;
-		map->reg_update_bits = config->reg_update_bits;
 
 		map->defer_caching = false;
 		goto skip_format_initialization;
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 29661bbd137d..dfe493ac692d 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -295,11 +295,6 @@ typedef void (*regmap_unlock)(void *);
  *		  read operation on a bus such as SPI, I2C, etc. Most of the
  *		  devices do not need this.
  * @reg_write:	  Same as above for writing.
- * @reg_update_bits: Optional callback that if filled will be used to perform
- *		     all the update_bits(rmw) operation. Should only be provided
- *		     if the function require special handling with lock and reg
- *		     handling and the operation cannot be represented as a simple
- *		     update_bits operation on a bus such as SPI, I2C, etc.
  * @fast_io:	  Register IO is fast. Use a spinlock instead of a mutex
  *	     	  to perform locking. This field is ignored if custom lock/unlock
  *	     	  functions are used (see fields lock/unlock of struct regmap_config).
@@ -376,8 +371,6 @@ struct regmap_config {
 
 	int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
 	int (*reg_write)(void *context, unsigned int reg, unsigned int val);
-	int (*reg_update_bits)(void *context, unsigned int reg,
-			       unsigned int mask, unsigned int val);
 
 	bool fast_io;