diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index f2c305cfdfc3..af3a19045363 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -12,12 +12,10 @@
 #include <linux/sysfs.h>
 #include <linux/i2c.h>
 #include <linux/regulator/consumer.h>
-#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/err.h>
 #include <linux/delay.h>
 #include <linux/module.h>
-#include <asm/div64.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>