diff --git a/backend/internal/service/channel.go b/backend/internal/service/channel.go
index 40f3c56530..5ed834eeca 100644
--- a/backend/internal/service/channel.go
+++ b/backend/internal/service/channel.go
@@ -42,7 +42,7 @@ const (
 	// BillingModelSourceResponse bills by a trusted model declaration observed
 	// in the successful upstream response. It is deliberately distinct from
 	// "upstream", which means the model sent to the provider.
-	BillingModelSourceResponse      = "response_model"
+	BillingModelSourceResponse = "response_model"
 )
 
 // Channel 渠道实体
diff --git a/frontend/src/i18n/locales/en/admin/channels.ts b/frontend/src/i18n/locales/en/admin/channels.ts
index 980401316a..6b26e21da9 100644
--- a/frontend/src/i18n/locales/en/admin/channels.ts
+++ b/frontend/src/i18n/locales/en/admin/channels.ts
@@ -144,8 +144,6 @@ export default {
         billingModelSourceRequested: 'Bill by requested model',
         billingModelSourceUpstream: 'Bill by final upstream model',
         billingModelSourceResponse: 'Bill by upstream response model',
-        billingModelSourceResponseWarning:
-          'Pricing follows the model declared by the upstream response. It can only lower the charge, never raise it — only enable this for upstreams you trust.',
         billingModelSourceHint: 'Controls which model name is used for pricing lookup',
         selectedCount: '{count} selected',
         searchGroups: 'Search groups...',
diff --git a/frontend/src/i18n/locales/zh/admin/channels.ts b/frontend/src/i18n/locales/zh/admin/channels.ts
index 2b18151ac0..3da00a3120 100644
--- a/frontend/src/i18n/locales/zh/admin/channels.ts
+++ b/frontend/src/i18n/locales/zh/admin/channels.ts
@@ -144,7 +144,6 @@ export default {
         billingModelSourceRequested: '以请求模型计费',
         billingModelSourceUpstream: '以最终模型计费',
         billingModelSourceResponse: '按上游响应模型计费',
-        billingModelSourceResponseWarning: '计费基准以上游响应自报的模型为准。该模式只会降低费用、不会抬高，但请仅对可信的上游启用。',
         billingModelSourceHint: '控制使用哪个模型名称进行定价查找',
         selectedCount: '已选 {count} 个',
         searchGroups: '搜索分组...',
diff --git a/frontend/src/views/admin/ChannelsView.vue b/frontend/src/views/admin/ChannelsView.vue
index 308b2f05b8..9dceb5362a 100644
--- a/frontend/src/views/admin/ChannelsView.vue
+++ b/frontend/src/views/admin/ChannelsView.vue
@@ -226,9 +226,6 @@
               <p class="mt-1 text-xs text-gray-400">
                 {{ t('admin.channels.form.billingModelSourceHint', 'Controls which model name is used for pricing lookup') }}
               </p>
-              <p v-if="form.billing_model_source === 'response_model'" class="mt-1 text-xs text-amber-500">
-                {{ t('admin.channels.form.billingModelSourceResponseWarning', 'Pricing follows the model declared by the upstream response. It can only lower the charge, never raise it — only enable this for upstreams you trust.') }}
-              </p>
             </div>
 
             <!-- Platform Management -->