diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index f58943cb1341..71ea658f4bd3 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -115,8 +115,6 @@
 #define CNDS_I2C_PM_TIMEOUT		1000	/* ms */
 
 #define CDNS_I2C_FIFO_DEPTH		16
-/* FIFO depth at which the DATA interrupt occurs */
-#define CDNS_I2C_DATA_INTR_DEPTH	(CDNS_I2C_FIFO_DEPTH - 2)
 #define CDNS_I2C_MAX_TRANSFER_SIZE	255
 /* Transfer size in multiples of data interrupt depth */
 #define CDNS_I2C_TRANSFER_SIZE	(CDNS_I2C_MAX_TRANSFER_SIZE - 3)