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diff --git a/Documentation/devicetree/bindings/sound/rt1015.txt b/Documentation/devicetree/bindings/sound/rt1015.txt
deleted file mode 100644
index e498966d43..0000000000
--- a/Documentation/devicetree/bindings/sound/rt1015.txt
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@@ -1,23 +0,0 @@
-RT1015 Mono Class D Audio Amplifier
-
-This device supports I2C only.
-
-Required properties:
-
-- compatible : "realtek,rt1015".
-
-- reg : The I2C address of the device.
-
-Optional properties:
-
-- realtek,power-up-delay-ms
-  Set a delay time for flush work to be completed,
-  this value is adjustable depending on platform.
-
-Example:
-
-rt1015: codec@28 {
-	compatible = "realtek,rt1015";
-	reg = <0x28>;
-	realtek,power-up-delay-ms = <50>;
-};