diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
index 22dd91591a09..6a47e08e0e97 100644
--- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
@@ -76,7 +76,6 @@ properties:
     description:
       Adjust TX de-emphasis attenuation in dB at nominal
       3.5dB point as per USB specification
-    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 0
     maximum: 36