diff --git a/Documentation/devicetree/bindings/serial/8250_omap.yaml b/Documentation/devicetree/bindings/serial/8250_omap.yaml
index 53dc1212ad2e3..7db8e5477b032 100644
--- a/Documentation/devicetree/bindings/serial/8250_omap.yaml
+++ b/Documentation/devicetree/bindings/serial/8250_omap.yaml
@@ -70,11 +70,6 @@ properties:
   dsr-gpios: true
   rng-gpios: true
   dcd-gpios: true
-  rs485-rts-delay: true
-  rs485-rts-active-low: true
-  rs485-rx-during-tx: true
-  rs485-rts-active-high: true
-  linux,rs485-enabled-at-boot-time: true
   rts-gpio: true
   power-domains: true
   clock-frequency: true