diff --git a/Documentation/devicetree/bindings/arm/altera.yaml b/Documentation/devicetree/bindings/arm/altera.yaml
index 227665d0016f..db61537b7115 100644
--- a/Documentation/devicetree/bindings/arm/altera.yaml
+++ b/Documentation/devicetree/bindings/arm/altera.yaml
@@ -34,7 +34,6 @@ properties:
               - enclustra,mercury-aa1-pe1
               - enclustra,mercury-aa1-pe3
               - enclustra,mercury-aa1-st1
-              - enclustra,mercury-pe1
               - google,chameleon-v3
           - const: enclustra,mercury-aa1
           - const: altr,socfpga-arria10