diff --git a/src/features/boulder-state/index.ts b/src/features/boulder-state/index.ts
index a174e1a57..17618996b 100644
--- a/src/features/boulder-state/index.ts
+++ b/src/features/boulder-state/index.ts
@@ -2,4 +2,3 @@ export * from "./types"
 export * from "./constants"
 export * from "./storage"
 export * from "./top-level-task"
-export * from "./worktree-sync"
diff --git a/src/features/boulder-state/worktree-sync.test.ts b/src/features/boulder-state/worktree-sync.test.ts
deleted file mode 100644
index 60f3e240d..000000000
--- a/src/features/boulder-state/worktree-sync.test.ts
+++ /dev/null
@@ -1,88 +0,0 @@
-import { describe, expect, test, beforeEach, afterEach } from "bun:test"
-import { existsSync, mkdirSync, rmSync, writeFileSync, readFileSync } from "node:fs"
-import { join } from "node:path"
-import { tmpdir } from "node:os"
-import { syncSisyphusStateFromWorktree } from "./worktree-sync"
-
-describe("syncSisyphusStateFromWorktree", () => {
-  const BASE = join(tmpdir(), "worktree-sync-test-" + Date.now())
-  const WORKTREE = join(BASE, "worktree")
-  const MAIN_REPO = join(BASE, "main")
-
-  beforeEach(() => {
-    mkdirSync(WORKTREE, { recursive: true })
-    mkdirSync(MAIN_REPO, { recursive: true })
-  })
-
-  afterEach(() => {
-    if (existsSync(BASE)) {
-      rmSync(BASE, { recursive: true, force: true })
-    }
-  })
-
-  test("#given no .sisyphus in worktree #when syncing #then returns true without error", () => {
-    const result = syncSisyphusStateFromWorktree(WORKTREE, MAIN_REPO)
-
-    expect(result).toBe(true)
-    expect(existsSync(join(MAIN_REPO, ".sisyphus"))).toBe(false)
-  })
-
-  test("#given .sisyphus with boulder.json in worktree #when syncing #then copies to main repo", () => {
-    const worktreeSisyphus = join(WORKTREE, ".sisyphus")
-    mkdirSync(worktreeSisyphus, { recursive: true })
-    writeFileSync(join(worktreeSisyphus, "boulder.json"), '{"active_plan":"/plan.md","plan_name":"test"}')
-
-    const result = syncSisyphusStateFromWorktree(WORKTREE, MAIN_REPO)
-
-    expect(result).toBe(true)
-    const copied = readFileSync(join(MAIN_REPO, ".sisyphus", "boulder.json"), "utf-8")
-    expect(JSON.parse(copied).plan_name).toBe("test")
-  })
-
-  test("#given nested .sisyphus dirs in worktree #when syncing #then copies full tree recursively", () => {
-    const worktreePlans = join(WORKTREE, ".sisyphus", "plans")
-    const worktreeNotepads = join(WORKTREE, ".sisyphus", "notepads", "my-plan")
-    mkdirSync(worktreePlans, { recursive: true })
-    mkdirSync(worktreeNotepads, { recursive: true })
-    writeFileSync(join(worktreePlans, "my-plan.md"), "- [x] Task 1\n- [ ] Task 2")
-    writeFileSync(join(worktreeNotepads, "learnings.md"), "learned something")
-
-    const result = syncSisyphusStateFromWorktree(WORKTREE, MAIN_REPO)
-
-    expect(result).toBe(true)
-    expect(readFileSync(join(MAIN_REPO, ".sisyphus", "plans", "my-plan.md"), "utf-8")).toContain("Task 1")
-    expect(readFileSync(join(MAIN_REPO, ".sisyphus", "notepads", "my-plan", "learnings.md"), "utf-8")).toBe("learned something")
-  })
-
-  test("#given existing .sisyphus in main repo #when syncing #then worktree state overwrites stale state", () => {
-    const mainSisyphus = join(MAIN_REPO, ".sisyphus")
-    mkdirSync(mainSisyphus, { recursive: true })
-    writeFileSync(join(mainSisyphus, "boulder.json"), '{"plan_name":"old"}')
-
-    const worktreeSisyphus = join(WORKTREE, ".sisyphus")
-    mkdirSync(worktreeSisyphus, { recursive: true })
-    writeFileSync(join(worktreeSisyphus, "boulder.json"), '{"plan_name":"updated"}')
-
-    const result = syncSisyphusStateFromWorktree(WORKTREE, MAIN_REPO)
-
-    expect(result).toBe(true)
-    const content = readFileSync(join(mainSisyphus, "boulder.json"), "utf-8")
-    expect(JSON.parse(content).plan_name).toBe("updated")
-  })
-
-  test("#given pre-existing files in main .sisyphus #when syncing #then preserves files not in worktree", () => {
-    const mainSisyphus = join(MAIN_REPO, ".sisyphus", "rules")
-    mkdirSync(mainSisyphus, { recursive: true })
-    writeFileSync(join(mainSisyphus, "my-rule.md"), "existing rule")
-
-    const worktreeSisyphus = join(WORKTREE, ".sisyphus")
-    mkdirSync(worktreeSisyphus, { recursive: true })
-    writeFileSync(join(worktreeSisyphus, "boulder.json"), '{"plan_name":"new"}')
-
-    const result = syncSisyphusStateFromWorktree(WORKTREE, MAIN_REPO)
-
-    expect(result).toBe(true)
-    expect(readFileSync(join(MAIN_REPO, ".sisyphus", "rules", "my-rule.md"), "utf-8")).toBe("existing rule")
-    expect(existsSync(join(MAIN_REPO, ".sisyphus", "boulder.json"))).toBe(true)
-  })
-})
diff --git a/src/features/boulder-state/worktree-sync.ts b/src/features/boulder-state/worktree-sync.ts
deleted file mode 100644
index 98a7bdb9f..000000000
--- a/src/features/boulder-state/worktree-sync.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-import { existsSync, cpSync, mkdirSync } from "node:fs"
-import { join } from "node:path"
-import { BOULDER_DIR } from "./constants"
-import { log } from "../../shared/logger"
-
-export function syncSisyphusStateFromWorktree(worktreePath: string, mainRepoPath: string): boolean {
-  const srcDir = join(worktreePath, BOULDER_DIR)
-  const destDir = join(mainRepoPath, BOULDER_DIR)
-
-  if (!existsSync(srcDir)) {
-    log("[worktree-sync] No .sisyphus directory in worktree, nothing to sync", { worktreePath })
-    return true
-  }
-
-  try {
-    if (!existsSync(destDir)) {
-      mkdirSync(destDir, { recursive: true })
-    }
-
-    cpSync(srcDir, destDir, { recursive: true, force: true })
-    log("[worktree-sync] Synced .sisyphus state from worktree to main repo", {
-      worktreePath,
-      mainRepoPath,
-    })
-    return true
-  } catch (err) {
-    log("[worktree-sync] Failed to sync .sisyphus state", {
-      worktreePath,
-      mainRepoPath,
-      error: String(err),
-    })
-    return false
-  }
-}