diff --git a/packages/components/button/src/button.ts b/packages/components/button/src/button.ts
index acb69a9a77..331d544f60 100644
--- a/packages/components/button/src/button.ts
+++ b/packages/components/button/src/button.ts
@@ -13,7 +13,6 @@ export const buttonType = [
   'text',
   '',
 ] as const
-export const buttonSize = ['', 'large', 'default', 'small'] as const
 export const buttonNativeType = ['button', 'submit', 'reset'] as const
 
 export const buttonProps = buildProps({
diff --git a/packages/hooks/use-common-props/index.ts b/packages/hooks/use-common-props/index.ts
index 01a30f24e9..5ea531ef76 100644
--- a/packages/hooks/use-common-props/index.ts
+++ b/packages/hooks/use-common-props/index.ts
@@ -8,8 +8,8 @@ import type { MaybeRef } from '@vueuse/core'
 
 export const useSizeProp = buildProp({
   type: String,
-  values: ['', ...componentSize],
-  default: '',
+  values: componentSize,
+  required: false,
 } as const)
 
 export const useSize = (