diff --git a/apps/web/src/pages/generate/GeneratePage.tsx b/apps/web/src/pages/generate/GeneratePage.tsx
index f03f84d7a..db681da43 100644
--- a/apps/web/src/pages/generate/GeneratePage.tsx
+++ b/apps/web/src/pages/generate/GeneratePage.tsx
@@ -16,10 +16,6 @@ import { useQuery } from "@tanstack/react-query"
 import { useCloneProgress } from "@/hooks/useCloneProgress"
 import CloneModal from "@/components/voice/CloneModal"
 import GenerateHeader from "./components/GenerateHeader"
-import {
-  calculateTotalVideoDuration,
-  estimateTotalVideoDuration,
-} from "./utils/calculateTotalVideoDuration"
 import FrontendPreviewPlayer from "./components/FrontendPreviewPlayer"
 import GenerateStepsBar from "./components/GenerateStepsBar"
 import GenerateStepContent from "./components/GenerateStepContent"
@@ -128,7 +124,6 @@ const GeneratePage: React.FC = () => {
       cancelled = true
       controller.abort()
     }
-    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [selectedVoice, selectedClonedVoice, titleSettings.title, voiceMaterials])
 
   /* ── 克隆声音 ── */
@@ -174,13 +169,6 @@ const GeneratePage: React.FC = () => {
     [previewAssetsReady, currentTemplate],
   )
 
-  /* ── 视频总时长计算 ── */
-  const totalVideoDuration = useMemo(() => {
-    const exact = calculateTotalVideoDuration(previewAssets, currentTemplate ?? undefined)
-    if (exact > 0) return exact
-    return estimateTotalVideoDuration(currentTemplate ?? undefined)
-  }, [previewAssets, currentTemplate])
-
   /* ── 视频生成核心逻辑 ── */
   const {
     generating,
@@ -291,7 +279,6 @@ const GeneratePage: React.FC = () => {
             onCoverSettingsChange={setCoverSettings}
             selectedVoice={selectedVoice}
             onSelectedVoiceChange={setSelectedVoice}
-            totalVideoDuration={totalVideoDuration}
             onServerClipsChange={setServerClips}
             voiceMode={voiceMode}
             onVoiceModeChange={setVoiceMode}
diff --git a/apps/web/src/pages/generate/components/GenerateStepContent.tsx b/apps/web/src/pages/generate/components/GenerateStepContent.tsx
index b4799ee33..1b160b5ec 100644
--- a/apps/web/src/pages/generate/components/GenerateStepContent.tsx
+++ b/apps/web/src/pages/generate/components/GenerateStepContent.tsx
@@ -49,7 +49,6 @@ export interface GenerateStepContentProps {
   /* 配音 */
   selectedVoice: string
   onSelectedVoiceChange: (id: string) => void
-  totalVideoDuration?: number
   onServerClipsChange: (clips: EditPlanClip[]) => void
   voiceMode: "preset" | "custom" | "clone"
   onVoiceModeChange: (mode: "preset" | "custom" | "clone") => void
@@ -104,7 +103,6 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
     onCoverSettingsChange,
     selectedVoice,
     onSelectedVoiceChange,
-    totalVideoDuration,
     onServerClipsChange,
     voiceMode,
     selectedClonedVoice,
@@ -151,7 +149,6 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
         <Step3VoiceSelect
           selectedVoice={selectedVoice}
           onSelectedVoiceChange={onSelectedVoiceChange}
-          totalVideoDuration={totalVideoDuration}
         />
       )
     case 4:
diff --git a/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx b/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx
index 0d75eeebd..1fa40857f 100644
--- a/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx
+++ b/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx
@@ -1,7 +1,6 @@
 /**
  * Step 5 配音选择组件
  * 展示用户已上传的配音素材，支持选中、预览播放
- * 根据视频总时长自动过滤时长差异过大的配音（±10%以内）
  */
 import React, { useState, useRef, useCallback } from "react"
 import { useNavigate } from "react-router-dom"
@@ -13,7 +12,6 @@ import type { AssetItem } from "@/api/assets"
 interface Step5VoiceSelectProps {
   selectedVoice: string
   onSelectedVoiceChange: (id: string) => void
-  totalVideoDuration?: number
 }
 
 /** 获取素材实际时长（优先顶层 duration，fallback 到 metadata.duration） */
@@ -45,7 +43,6 @@ const formatFileSize = (bytes?: number): string => {
 const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
   selectedVoice,
   onSelectedVoiceChange,
-  totalVideoDuration = 0,
 }) => {
   const navigate = useNavigate()
   const [playingId, setPlayingId] = useState<string | null>(null)
@@ -57,19 +54,6 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
     queryFn: () => getAssetsByKind("voice", { limit: 50 }),
   })
 
-  // 根据视频总时长过滤配音：只保留时长在 ±10% 以内的素材，AI 音色始终展示
-  const filteredMaterials = React.useMemo(() => {
-    if (totalVideoDuration <= 0) return materials
-    return materials.filter((item) => {
-      // AI 音色没有固定时长，始终保留
-      if (isAiVoice(item)) return true
-      const duration = getDuration(item)
-      if (duration <= 0) return true
-      const ratio = duration / totalVideoDuration
-      return ratio >= 0.9 && ratio <= 1.1
-    })
-  }, [materials, totalVideoDuration])
-
   /** 切换播放/暂停 */
   const togglePlay = useCallback(
     (material: AssetItem) => {
@@ -175,7 +159,7 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
           gap: 12,
         }}
       >
-        {filteredMaterials.map((item) => {
+        {materials.map((item) => {
           const isSelected = selectedVoice === item.id
           const isPlaying = playingId === item.id
 
@@ -275,11 +259,6 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
           )
         })}
       </div>
-      {totalVideoDuration > 0 && filteredMaterials.length < materials.length && (
-        <p style={{ color: "#999", fontSize: 12, marginTop: 8 }}>
-          已根据视频时长（{Math.round(totalVideoDuration)}s）自动过滤时长差异过大的配音
-        </p>
-      )}
     </div>
   )
 }