diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.yaml b/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
index 593f7693bace..03e5dca7e933 100644
--- a/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
@@ -27,13 +27,11 @@ properties:
 
   xlnx,num-ss-bits:
     description: Number of chip selects used.
-    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 1
     maximum: 32
 
   xlnx,num-transfer-bits:
     description: Number of bits per transfer. This will be 8 if not specified.
-    $ref: /schemas/types.yaml#/definitions/uint32
     enum: [8, 16, 32]
     default: 8