diff --git a/inputfiles/patches/payment-request.kdl b/inputfiles/patches/payment-request.kdl
index bfef73927..991930a90 100644
--- a/inputfiles/patches/payment-request.kdl
+++ b/inputfiles/patches/payment-request.kdl
@@ -9,3 +9,9 @@ interface PaymentRequest {
 interface PaymentResponse {
   property shippingAddress type=PaymentAddress
 }
+
+removals {
+  dictionary PaymentDetailsUpdate {
+    member payerErrors // Webkit only as of 2025-12
+  }
+}
diff --git a/inputfiles/removedTypes.jsonc b/inputfiles/removedTypes.jsonc
index 0f4b75ede..7204056d9 100644
--- a/inputfiles/removedTypes.jsonc
+++ b/inputfiles/removedTypes.jsonc
@@ -192,13 +192,6 @@
                     }
                 }
             },
-            "PaymentDetailsUpdate": {
-                "members": {
-                    "member": {
-                        "payerErrors": null // WebKit only as of 2024-08
-                    }
-                }
-            },
             "PaymentOptions": {
                 "members": {
                     "member": {