diff --git a/src/costrict/review/agent/builtin.ts b/src/costrict/review/agent/builtin.ts
deleted file mode 100644
index 993719a6a..000000000
--- a/src/costrict/review/agent/builtin.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-// This file is auto-generated by scripts/generate-review-builtin.ts
-// Do not edit manually
-// Agents are downloaded from zgsm-ai/costrict-review repository
-
-import type { BuiltInAgentDefinition } from '@claude-code-best/builtin-tools/tools/AgentTool/loadAgentsDir.js'
-
-export const REVIEW_AGENTS: BuiltInAgentDefinition[] = []
-
-export const PRIMARY_REVIEW_AGENT = ''
-export const SUB_REVIEW_AGENT = ''
diff --git a/src/costrict/review/skill/builtin.ts b/src/costrict/review/skill/builtin.ts
deleted file mode 100644
index adc1c5f72..000000000
--- a/src/costrict/review/skill/builtin.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-// This file is auto-generated by scripts/generate-review-builtin.ts
-// Do not edit manually
-
-export const SKILL_FILES: Record<string, Record<string, Record<string, string>>> = {}
-
-export const SKILL_VERSIONS: Record<string, string> = {}
-
-export function listBuiltinSkills(): string[] {
-  return []
-}
-
-export function getBuiltinSkillVersion(skillName: string): string | undefined {
-  return SKILL_VERSIONS[skillName]
-}
-
-export function listSkillFiles(skillName: string, locale: string): string[] {
-  return Object.keys(SKILL_FILES[locale]?.[skillName] || {})
-}
-
-export async function extractBundledSkill(skillName: string, targetDir: string, locale: string): Promise<void> {
-  throw new Error(`Skill not found: ${skillName}`)
-}