imx_ocotp_nvmem_config.dev = dev;
        imx_ocotp_nvmem_config.priv = priv;
        priv->config = &imx_ocotp_nvmem_config;
-       nvmem = nvmem_register(&imx_ocotp_nvmem_config);
+       nvmem = devm_nvmem_register(dev, &imx_ocotp_nvmem_config);
 
-       if (IS_ERR(nvmem))
-               return PTR_ERR(nvmem);
 
-       platform_set_drvdata(pdev, nvmem);
-
-       return 0;
-}
-
-static int imx_ocotp_remove(struct platform_device *pdev)
-{
-       struct nvmem_device *nvmem = platform_get_drvdata(pdev);
-
-       return nvmem_unregister(nvmem);
+       return PTR_ERR_OR_ZERO(nvmem);
 }
 
 static struct platform_driver imx_ocotp_driver = {
        .probe  = imx_ocotp_probe,
-       .remove = imx_ocotp_remove,
        .driver = {
                .name   = "imx_ocotp",
                .of_match_table = imx_ocotp_dt_ids,