User equipment that executes carrier aggregation includes a controller that executes timer control for deactivating a cell used for the carrier aggregation, based on expiration of a timer; and a receiver that receives, from the base station, setting information including a timer value of the timer used in the controller, wherein, when the setting information including a common timer value that is common for multiple cells used for the carrier aggregation and an individual timer value that is specified for each cell is received, the controller executes the timer control by applying the individual timer value to the specified cell, and when another cell is used for which no individual timer value is specified, the timer control is executed by applying the common timer value.