diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 33050a2a80f7..603fd0efc2ea 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -2049,7 +2049,6 @@ static int __init docg3_probe(struct platform_device *pdev)
 static void docg3_release(struct platform_device *pdev)
 {
 	struct docg3_cascade *cascade = platform_get_drvdata(pdev);
-	struct docg3 *docg3 = cascade->floors[0]->priv;
 	int floor;
 
 	doc_unregister_sysfs(pdev, cascade);
@@ -2057,7 +2056,7 @@ static void docg3_release(struct platform_device *pdev)
 		if (cascade->floors[floor])
 			doc_release_device(cascade->floors[floor]);
 
-	bch_free(docg3->cascade->bch);
+	bch_free(cascade->bch);
 }
 
 #ifdef CONFIG_OF