diff --git a/package.json b/package.json
index e8a19dd..fe48eb9 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "scripts": {
     "build": "bun run ./scripts/build.ts",
     "build:dev": "bun run ./scripts/build.ts --dev",
-    "build:dev:full": "bun run ./scripts/build.ts --dev --feature=QUICK_SEARCH --feature=HISTORY_PICKER --feature=TOKEN_BUDGET --feature=VOICE_MODE --feature=ULTRAPLAN --feature=CACHED_MICROCOMPACT --feature=PROMPT_CACHE_BREAK_DETECTION",
+    "build:dev:full": "bun run ./scripts/build.ts --dev --feature=QUICK_SEARCH --feature=HISTORY_PICKER --feature=TOKEN_BUDGET --feature=ULTRAPLAN --feature=CACHED_MICROCOMPACT --feature=PROMPT_CACHE_BREAK_DETECTION",
     "compile": "bun run ./scripts/build.ts --compile",
     "dev": "bun run ./src/entrypoints/cli.tsx"
   },
diff --git a/scripts/build.ts b/scripts/build.ts
index 2e5e030..231b303 100644
--- a/scripts/build.ts
+++ b/scripts/build.ts
@@ -40,18 +40,20 @@ function getVersionChangelog(): string {
   )
 }
 
-const features: string[] = []
+const defaultFeatures = ['VOICE_MODE']
+const featureSet = new Set(defaultFeatures)
 for (let i = 0; i < args.length; i += 1) {
   const arg = args[i]
   if (arg === '--feature' && args[i + 1]) {
-    features.push(args[i + 1]!)
+    featureSet.add(args[i + 1]!)
     i += 1
     continue
   }
   if (arg.startsWith('--feature=')) {
-    features.push(arg.slice('--feature='.length))
+    featureSet.add(arg.slice('--feature='.length))
   }
 }
+const features = [...featureSet]
 
 const outfile = compile
   ? dev