diff --git a/packages/server/package.json b/packages/server/package.json
index 8aac4f7..fd54035 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -19,7 +19,6 @@
     "fastify": "^5.2.0",
     "js-chess-engine": "^2.4.6",
     "pino": "^9.5.0",
-    "ws": "^8.18.0",
     "zod": "^3.24.0"
   },
   "devDependencies": {
@@ -28,6 +27,7 @@
     "pino-pretty": "^11.3.0",
     "tsx": "^4.19.2",
     "typescript": "^5.6.0",
-    "vitest": "^3.0.0"
+    "vitest": "^3.0.0",
+    "ws": "^8.18.0"
   }
 }
diff --git a/packages/server/src/bot/candidates.ts b/packages/server/src/bot/candidates.ts
index 9e7fe69..1bdac3e 100644
--- a/packages/server/src/bot/candidates.ts
+++ b/packages/server/src/bot/candidates.ts
@@ -27,11 +27,7 @@ function vanillaCandidates(game: Game, color: Color): CandidateMove[] {
   const moves = game.chess.moves({ verbose: true }) as Array<{
     from: Square; to: Square; promotion?: PromotionType;
   }>;
-  const out: CandidateMove[] = [];
-  for (const m of moves) {
-    out.push({ from: m.from, to: m.to, promotion: m.promotion });
-  }
-  return out;
+  return moves.map((m) => ({ from: m.from, to: m.to, promotion: m.promotion }));
 }
 
 function blindCandidates(game: Game, color: Color): CandidateMove[] {
diff --git a/packages/server/src/bot/index.ts b/packages/server/src/bot/index.ts
deleted file mode 100644
index 6b084ca..0000000
--- a/packages/server/src/bot/index.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-export type {
-  Brain, BrainInput, BrainAction, BrainInitArgs,
-  CandidateMove, AttemptHistoryEntry,
-} from './brain.js';
-export { CasualBrain } from './casual-brain.js';
-export { BotDriver } from './driver.js';
-export { legalCandidates } from './candidates.js';
diff --git a/packages/server/src/server.ts b/packages/server/src/server.ts
index f3f8918..d4c2697 100644
--- a/packages/server/src/server.ts
+++ b/packages/server/src/server.ts
@@ -12,7 +12,8 @@ import {
 } from './games.js';
 import { attachSocket } from './ws.js';
 import { createGameSchema } from './validation.js';
-import { CasualBrain, BotDriver } from './bot/index.js';
+import { CasualBrain } from './bot/casual-brain.js';
+import { BotDriver } from './bot/driver.js';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
diff --git a/packages/server/test/integration/ai-game-casual.test.ts b/packages/server/test/integration/ai-game-casual.test.ts
index a7d7671..4279cc9 100644
--- a/packages/server/test/integration/ai-game-casual.test.ts
+++ b/packages/server/test/integration/ai-game-casual.test.ts
@@ -7,7 +7,8 @@ import {
 } from '../../src/games.js';
 import { attachSocket } from '../../src/ws.js';
 import { createGameSchema } from '../../src/validation.js';
-import { CasualBrain, BotDriver } from '../../src/bot/index.js';
+import { CasualBrain } from '../../src/bot/casual-brain.js';
+import { BotDriver } from '../../src/bot/driver.js';
 import type { ServerMessage } from '@blind-chess/shared';
 
 let app: ReturnType<typeof Fastify>;
diff --git a/packages/server/tsconfig.tsbuildinfo b/packages/server/tsconfig.tsbuildinfo
deleted file mode 100644
index 2c4ebff..0000000
--- a/packages/server/tsconfig.tsbuildinfo
+++ /dev/null
@@ -1 +0,0 @@
-{"root":["./src/commit.ts","./src/games.ts","./src/ratelimit.ts","./src/server.ts","./src/state.ts","./src/translator.ts","./src/validation.ts","./src/view.ts","./src/ws.ts"],"version":"5.9.3"}
\ No newline at end of file
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b3c32f6..e3478f5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -63,9 +63,6 @@ importers:
       pino:
         specifier: ^9.5.0
         version: 9.14.0
-      ws:
-        specifier: ^8.18.0
-        version: 8.20.0
       zod:
         specifier: ^3.24.0
         version: 3.25.76
@@ -88,6 +85,9 @@ importers:
       vitest:
         specifier: ^3.0.0
         version: 3.2.4(@types/node@22.19.17)(tsx@4.21.0)
+      ws:
+        specifier: ^8.18.0
+        version: 8.20.0
 
   packages/shared:
     devDependencies: