diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index 917a3a0380a1..8131f1d90072 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -309,7 +309,6 @@ struct ad7768_state {
 	unsigned int vcm_output_sel;
 	struct clk *mclk;
 	unsigned int mclk_freq;
-	unsigned int mclk_div;
 	unsigned int oversampling_ratio;
 	enum ad7768_filter_type filter_type;
 	unsigned int samp_freq;