diff --git a/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml b/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml
index cd2aac66fca2..be258c1f36b1 100644
--- a/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/axiado,ax3000-spi.yaml
@@ -37,7 +37,6 @@ properties:
   num-cs:
     description: |
       Number of chip selects used.
-    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 1
     maximum: 4
     default: 4