diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 60518ee5a86e..fd3dca08460b 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3827,14 +3827,6 @@ static const struct dmi_system_id dmi_platform_data[] = {
 		},
 		.driver_data = (void *)&ecs_ef20_platform_data,
 	},
-	{
-		.ident = "EF20EA",
-		.callback = cht_rt5645_ef20_quirk_cb,
-		.matches = {
-			DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"),
-		},
-		.driver_data = (void *)&ecs_ef20_platform_data,
-	},
 	{ }
 };