diff --git a/src/runtime/components/Button.vue b/src/runtime/components/Button.vue
index 93f69ca03c..d797bbc3de 100644
--- a/src/runtime/components/Button.vue
+++ b/src/runtime/components/Button.vue
@@ -50,7 +50,7 @@ import { useAppConfig } from '#imports'
 import { useComponentIcons } from '../composables/useComponentIcons'
 import { useButtonGroup } from '../composables/useButtonGroup'
 import { formLoadingInjectionKey } from '../composables/useFormField'
-import { omit } from '../utils'
+import { omit, mergeClasses } from '../utils'
 import { tv } from '../utils/tv'
 import { pickLinkProps } from '../utils/link'
 import UIcon from './Icon.vue'
@@ -58,11 +58,7 @@ import UAvatar from './Avatar.vue'
 import ULink from './Link.vue'
 import ULinkBase from './LinkBase.vue'
 
-const props = withDefaults(defineProps<ButtonProps>(), {
-  active: undefined,
-  activeClass: '',
-  inactiveClass: ''
-})
+const props = defineProps<ButtonProps>()
 const slots = defineSlots<ButtonSlots>()
 
 const appConfig = useAppConfig() as Button['AppConfig']
@@ -97,10 +93,10 @@ const ui = computed(() => tv({
     variants: {
       active: {
         true: {
-          base: props.activeClass
+          base: mergeClasses(appConfig.ui?.button?.variants?.active?.true?.base, props.activeClass)
         },
         false: {
-          base: props.inactiveClass
+          base: mergeClasses(appConfig.ui?.button?.variants?.active?.false?.base, props.inactiveClass)
         }
       }
     }
diff --git a/src/runtime/components/Link.vue b/src/runtime/components/Link.vue
index 4dcaa994f9..a177d33eaa 100644
--- a/src/runtime/components/Link.vue
+++ b/src/runtime/components/Link.vue
@@ -88,11 +88,12 @@ export interface LinkSlots {
 
 <script setup lang="ts">
 import { computed } from 'vue'
-import { defu } from 'defu'
 import { isEqual } from 'ohash/utils'
 import { useForwardProps } from 'reka-ui'
+import { defu } from 'defu'
 import { reactiveOmit } from '@vueuse/core'
 import { useRoute, useAppConfig } from '#imports'
+import { mergeClasses } from '../utils'
 import { tv } from '../utils/tv'
 import { isPartiallyEqual } from '../utils/link'
 import ULinkBase from './LinkBase.vue'
@@ -103,9 +104,7 @@ const props = withDefaults(defineProps<LinkProps>(), {
   as: 'button',
   type: 'button',
   ariaCurrentValue: 'page',
-  active: undefined,
-  activeClass: '',
-  inactiveClass: ''
+  active: undefined
 })
 defineSlots<LinkSlots>()
 
@@ -119,8 +118,8 @@ const ui = computed(() => tv({
   ...defu({
     variants: {
       active: {
-        true: props.activeClass,
-        false: props.inactiveClass
+        true: mergeClasses(appConfig.ui?.link?.variants?.active?.true, props.activeClass),
+        false: mergeClasses(appConfig.ui?.link?.variants?.active?.false, props.inactiveClass)
       }
     }
   }, appConfig.ui?.link || {})
diff --git a/src/runtime/utils/index.ts b/src/runtime/utils/index.ts
index b38eb579a6..0e7ebca893 100644
--- a/src/runtime/utils/index.ts
+++ b/src/runtime/utils/index.ts
@@ -85,3 +85,14 @@ export function compare<T>(value?: T, currentValue?: T, comparator?: string | ((
 export function isArrayOfArray<A>(item: A[] | A[][]): item is A[][] {
   return Array.isArray(item[0])
 }
+
+export function mergeClasses(appConfigClass?: string | string[], propClass?: string) {
+  if (!appConfigClass && !propClass) {
+    return ''
+  }
+
+  return [
+    ...(Array.isArray(appConfigClass) ? appConfigClass : [appConfigClass]),
+    propClass
+  ].filter(Boolean)
+}