diff --git a/drivers/regulator/qcom-refgen-regulator.c b/drivers/regulator/qcom-refgen-regulator.c
index cfa72ce85bc8..299ac3c8c3bc 100644
--- a/drivers/regulator/qcom-refgen-regulator.c
+++ b/drivers/regulator/qcom-refgen-regulator.c
@@ -94,7 +94,6 @@ static const struct regmap_config qcom_refgen_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.fast_io = true,
 };
 
 static int qcom_refgen_probe(struct platform_device *pdev)