diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index 8af6081b4ab4..28fa3bd2c096 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -1316,8 +1316,7 @@ static int w83791d_detect_subclients(struct i2c_client *client)
 /* Undo inits in case of errors */
 
 error_sc_1:
-	if (data->lm75[0] != NULL)
-		i2c_unregister_device(data->lm75[0]);
+	i2c_unregister_device(data->lm75[0]);
 error_sc_0:
 	return err;
 }
@@ -1434,10 +1433,8 @@ error5:
 error4:
 	sysfs_remove_group(&client->dev.kobj, &w83791d_group);
 error3:
-	if (data->lm75[0] != NULL)
-		i2c_unregister_device(data->lm75[0]);
-	if (data->lm75[1] != NULL)
-		i2c_unregister_device(data->lm75[1]);
+	i2c_unregister_device(data->lm75[0]);
+	i2c_unregister_device(data->lm75[1]);
 	return err;
 }
 
@@ -1448,10 +1445,8 @@ static int w83791d_remove(struct i2c_client *client)
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &w83791d_group);
 
-	if (data->lm75[0] != NULL)
-		i2c_unregister_device(data->lm75[0]);
-	if (data->lm75[1] != NULL)
-		i2c_unregister_device(data->lm75[1]);
+	i2c_unregister_device(data->lm75[0]);
+	i2c_unregister_device(data->lm75[1]);
 
 	return 0;
 }