diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index e05ab11981f5..17830e8c9a59 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -530,10 +530,6 @@
 				};
 			};
 		};
-
-		codec {
-			mic-in-differential;
-		};
 	};
 };