diff --git a/drivers/crypto/mediatek/mtk-platform.c b/drivers/crypto/mediatek/mtk-platform.c
index 286296fbf15d0846c25fc03c8d626a588620d07d..a9c713d4c7339649e4b8fbb3d94da0061293bace 100644
--- a/drivers/crypto/mediatek/mtk-platform.c
+++ b/drivers/crypto/mediatek/mtk-platform.c
@@ -582,7 +582,7 @@ static int mtk_crypto_remove(struct platform_device *pdev)
 	return 0;
 }
 
-const struct of_device_id of_crypto_id[] = {
+static const struct of_device_id of_crypto_id[] = {
 	{ .compatible = "mediatek,eip97-crypto" },
 	{},
 };