diff --git a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
index 0821ba0e84a3..872a8471ef65 100644
--- a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
@@ -18,12 +18,7 @@ allOf:
 
 properties:
   compatible:
-    oneOf:
-      - items:
-          - enum:
-              - kontron,sa67mcu-wdt
-          - const: kontron,sl28cpld-wdt
-      - const: kontron,sl28cpld-wdt
+    const: kontron,sl28cpld-wdt
 
   reg:
     maxItems: 1