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diff --git a/Documentation/devicetree/bindings/sound/cs42888.txt b/Documentation/devicetree/bindings/sound/cs42888.txt
deleted file mode 100644
index e669ef3972ca..000000000000
--- a/Documentation/devicetree/bindings/sound/cs42888.txt
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-CS42888 audio CODEC
-
-This device supports I2C only.
-
-Required properties:
-
-  - compatible: "cirrus,cs42888"
-  - reg: the I2C address of the device.
-  - clocks: Phandle to the clock node.
-  - clock-names: Contains name for each entry in clocks.
-		"codec_osc" : the external oscillator.
-		"esai" : the hckt clock from esai.
-  - <name>-supply: Phandle to the regulator <name>.
-
-Note: cs42888 needs a regulators node and a clocks node.
-
-Example:
-In this case, the clock is external oscillator.
-
-codec: cs42888@48 {
-	compatible = "cirrus,cs42888";
-	reg = <0x048>;
-	clocks = <&codec_osc 0>;
-	clock-names = "codec_osc";
-	VA-supply = <&reg_audio>;
-	VD-supply = <&reg_audio>;
-	VLS-supply = <&reg_audio>;
-	VLC-supply = <&reg_audio>;
-};