diff --git a/drivers/iio/light/si1133.c b/drivers/iio/light/si1133.c
index bf7bf0f1631d..ed9b3e0a12d6 100644
--- a/drivers/iio/light/si1133.c
+++ b/drivers/iio/light/si1133.c
@@ -86,13 +86,9 @@
 #define SI1133_CMD_MINSLEEP_US_LOW	5000
 #define SI1133_CMD_MINSLEEP_US_HIGH	7500
 #define SI1133_CMD_TIMEOUT_MS		25
-#define SI1133_CMD_LUX_TIMEOUT_MS	5000
-#define SI1133_CMD_TIMEOUT_US		SI1133_CMD_TIMEOUT_MS * 1000
 
 #define SI1133_REG_HOSTOUT(x)		(x) + 0x13
 
-#define SI1133_MEASUREMENT_FREQUENCY 1250
-
 #define SI1133_X_ORDER_MASK            0x0070
 #define SI1133_Y_ORDER_MASK            0x0007
 #define si1133_get_x_order(m)          ((m) & SI1133_X_ORDER_MASK) >> 4