diff --git a/lib/rules/require-valid-default-prop.js b/lib/rules/require-valid-default-prop.js
index 2b711b56c..ab0355206 100644
--- a/lib/rules/require-valid-default-prop.js
+++ b/lib/rules/require-valid-default-prop.js
@@ -427,7 +427,7 @@ module.exports = {
             }
           }
         },
-        onDefinePropsExit(node) {
+        onDefinePropsExit() {
           scriptSetupPropsContexts.pop()
         }
       })
diff --git a/typings/eslint-plugin-vue/util-types/ast/es-ast.ts b/typings/eslint-plugin-vue/util-types/ast/es-ast.ts
index 26c433a2e..ba320a979 100644
--- a/typings/eslint-plugin-vue/util-types/ast/es-ast.ts
+++ b/typings/eslint-plugin-vue/util-types/ast/es-ast.ts
@@ -441,12 +441,21 @@ export type BinaryOperator =
   | 'in'
   | 'instanceof'
   | '**'
-export interface BinaryExpression extends HasParentNode {
+interface BinaryExpressionWithoutIn extends HasParentNode {
   type: 'BinaryExpression'
-  operator: BinaryOperator
+  operator: Exclude<BinaryOperator, 'in'>
   left: Expression
   right: Expression
 }
+interface BinaryExpressionWithIn extends HasParentNode {
+  type: 'BinaryExpression'
+  operator: 'in'
+  left: Expression | PrivateIdentifier
+  right: Expression
+}
+export type BinaryExpression =
+  | BinaryExpressionWithoutIn
+  | BinaryExpressionWithIn
 export type AssignmentOperator =
   | '='
   | '+='