diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 5220af26419e..749c31d29b09 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -640,7 +640,8 @@ static const struct i2c_device_id wm8994_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, wm8994_i2c_id);
 
-UNIVERSAL_DEV_PM_OPS(wm8994_pm_ops, wm8994_suspend, wm8994_resume, NULL);
+static UNIVERSAL_DEV_PM_OPS(wm8994_pm_ops, wm8994_suspend, wm8994_resume,
+			    NULL);
 
 static struct i2c_driver wm8994_i2c_driver = {
 	.driver = {