diff --git a/packages/runtime-core/src/apiDefineComponent.ts b/packages/runtime-core/src/apiDefineComponent.ts
index 24a483358b6..0a58954526c 100644
--- a/packages/runtime-core/src/apiDefineComponent.ts
+++ b/packages/runtime-core/src/apiDefineComponent.ts
@@ -210,7 +210,8 @@ export function defineComponent<
         : ExtractPropTypes<RuntimePropsOptions>
       : { [key in RuntimePropsKeys]?: any }
     : TypeProps,
-  ResolvedProps = Readonly<InferredProps & EmitsToProps<ResolvedEmits>>,
+  ResolvedProps = Readonly<InferredProps> &
+    Readonly<EmitsToProps<ResolvedEmits>>,
   TypeRefs extends Record<string, unknown> = {},
 >(
   options: {
diff --git a/packages/runtime-core/src/componentOptions.ts b/packages/runtime-core/src/componentOptions.ts
index 2a39f45b685..f864f39e419 100644
--- a/packages/runtime-core/src/componentOptions.ts
+++ b/packages/runtime-core/src/componentOptions.ts
@@ -1279,7 +1279,9 @@ export type ComponentOptionsWithObjectProps<
   Directives extends Record<string, Directive> = {},
   Exposed extends string = string,
   Provide extends ComponentProvideOptions = ComponentProvideOptions,
-  Props = Prettify<Readonly<ExtractPropTypes<PropsOptions> & EmitsToProps<E>>>,
+  Props = Prettify<
+    Readonly<ExtractPropTypes<PropsOptions>> & Readonly<EmitsToProps<E>>
+  >,
   Defaults = ExtractDefaultPropTypes<PropsOptions>,
 > = ComponentOptionsBase<
   Props,