diff --git a/src/main/git/remove-worktree.test.ts b/src/main/git/remove-worktree.test.ts
index 74f052b3160..991cd382d75 100644
--- a/src/main/git/remove-worktree.test.ts
+++ b/src/main/git/remove-worktree.test.ts
@@ -272,6 +272,14 @@ branch refs/heads/main
     expect(getGitCalls()).toContain('git worktree remove --force /repo-feature')
   })
 
+  it('rejects lock override without dirty-file force before invoking Git', async () => {
+    await expect(
+      removeWorktree('/repo', '/repo-feature', false, { overrideLock: true })
+    ).rejects.toThrow('Worktree lock override requires force deletion permission.')
+
+    expect(getGitCalls()).toEqual([])
+  })
+
   it('passes double --force only for explicit lock override', async () => {
     mockGitCommands({
       'git worktree list --porcelain': {
diff --git a/src/main/git/worktree.ts b/src/main/git/worktree.ts
index fc5d61b0fd1..e6194b05109 100644
--- a/src/main/git/worktree.ts
+++ b/src/main/git/worktree.ts
@@ -13,7 +13,10 @@ import type {
   LocalBaseRefUpdateSuggestion,
   RemoveWorktreeResult
 } from '../../shared/types'
-import { assertWorktreeUnlockedForRemoval } from '../../shared/worktree-removal'
+import {
+  assertWorktreeRemovalForcePermissions,
+  assertWorktreeUnlockedForRemoval
+} from '../../shared/worktree-removal'
 import { decodeGitCQuotedPath } from '../../shared/git-cquoted-path'
 import { parseGitRevListAheadBehindCounts } from '../../shared/git-rev-list-output'
 import { parseWslUncPath } from '../../shared/wsl-paths'
@@ -1077,6 +1080,7 @@ async function performRemoveWorktree(
   force = false,
   options: RemoveWorktreeOptions = {}
 ): Promise<RemoveWorktreeResult> {
+  assertWorktreeRemovalForcePermissions(force, options.overrideLock)
   const removedWorktree =
     options.knownRemovedWorktree ??
     (await listWorktrees(repoPath, options)).find((worktree) =>
diff --git a/src/main/ipc/worktrees.test.ts b/src/main/ipc/worktrees.test.ts
index 2f75e72a196..e6447cca047 100644
--- a/src/main/ipc/worktrees.test.ts
+++ b/src/main/ipc/worktrees.test.ts
@@ -7798,6 +7798,19 @@ describe('registerWorktreeHandlers', () => {
     expect(removeWorktreeMock).not.toHaveBeenCalled()
   })
 
+  it('rejects lock override without dirty-file force before any removal work', async () => {
+    await expect(
+      handlers['worktrees:remove'](null, {
+        worktreeId: 'repo-1::/workspace/feature-wt',
+        overrideLock: true
+      })
+    ).rejects.toThrow('Worktree lock override requires force deletion permission.')
+
+    expect(listWorktreesMock).not.toHaveBeenCalled()
+    expect(runHookMock).not.toHaveBeenCalled()
+    expect(removeWorktreeMock).not.toHaveBeenCalled()
+  })
+
   it('fails locked dirty-force deletes before hooks, link cleanup, or PTY teardown', async () => {
     listWorktreesMock.mockResolvedValue([
       {
diff --git a/src/main/ipc/worktrees.ts b/src/main/ipc/worktrees.ts
index 469a06a615f..8735948a59e 100644
--- a/src/main/ipc/worktrees.ts
+++ b/src/main/ipc/worktrees.ts
@@ -29,7 +29,10 @@ import type {
   Worktree,
   WorktreeMeta
 } from '../../shared/types'
-import { assertWorktreeUnlockedForRemoval } from '../../shared/worktree-removal'
+import {
+  assertWorktreeRemovalForcePermissions,
+  assertWorktreeUnlockedForRemoval
+} from '../../shared/worktree-removal'
 import {
   buildKnownOrcaWorkspaceLayouts,
   isLegacyRepoForExternalWorktreeVisibility,
@@ -1360,6 +1363,7 @@ export function registerWorktreeHandlers(
         skipArchive?: boolean
       }
     ) => {
+      assertWorktreeRemovalForcePermissions(args.force === true, args.overrideLock === true)
       const optionsKey = getWorktreeRemovalOptionsKey(args)
       const inFlightRemoval = worktreeRemovalsInFlight.get(args.worktreeId)
       if (inFlightRemoval) {
diff --git a/src/main/runtime/orca-runtime.test.ts b/src/main/runtime/orca-runtime.test.ts
index abdb5e8b3e3..e8e4a3d0a95 100644
--- a/src/main/runtime/orca-runtime.test.ts
+++ b/src/main/runtime/orca-runtime.test.ts
@@ -26762,6 +26762,21 @@ describe('OrcaRuntimeService', () => {
     expect(removeWorktree).not.toHaveBeenCalled()
   })
 
+  it('rejects lock override without dirty-file force before any removal work', async () => {
+    const runtime = new OrcaRuntimeService(store)
+    const listCallCount = vi.mocked(listWorktreesStrict).mock.calls.length
+    const hookCallCount = vi.mocked(runHook).mock.calls.length
+    const removeCallCount = vi.mocked(removeWorktree).mock.calls.length
+
+    await expect(
+      runtime.removeManagedWorktree(TEST_WORKTREE_ID, false, false, true)
+    ).rejects.toThrow('Worktree lock override requires force deletion permission.')
+
+    expect(vi.mocked(listWorktreesStrict).mock.calls).toHaveLength(listCallCount)
+    expect(vi.mocked(runHook).mock.calls).toHaveLength(hookCallCount)
+    expect(vi.mocked(removeWorktree).mock.calls).toHaveLength(removeCallCount)
+  })
+
   it('fails locked dirty-force deletes before hooks, link cleanup, or PTY teardown', async () => {
     const repo = { ...store.getRepos()[0], symlinkPaths: ['node_modules'] }
     const runtimeStore = {
diff --git a/src/main/runtime/orca-runtime.ts b/src/main/runtime/orca-runtime.ts
index 44c0e707dc8..36f8d047c23 100644
--- a/src/main/runtime/orca-runtime.ts
+++ b/src/main/runtime/orca-runtime.ts
@@ -127,7 +127,10 @@ import type {
   WorkspaceSessionState,
   DirEntry
 } from '../../shared/types'
-import { assertWorktreeUnlockedForRemoval } from '../../shared/worktree-removal'
+import {
+  assertWorktreeRemovalForcePermissions,
+  assertWorktreeUnlockedForRemoval
+} from '../../shared/worktree-removal'
 import {
   getRepoExecutionHostId,
   parseExecutionHostId,
@@ -15537,6 +15540,7 @@ export class OrcaRuntimeService {
     if (!this.store) {
       throw new Error('runtime_unavailable')
     }
+    assertWorktreeRemovalForcePermissions(force, overrideLock)
     const store = this.store
     const removalTarget = await this.resolveWorktreeRemovalTarget(worktreeSelector)
     const optionsKey = getRuntimeWorktreeRemovalOptionsKey(force, runHooks, overrideLock)
diff --git a/src/relay/git-handler-worktree-ops.test.ts b/src/relay/git-handler-worktree-ops.test.ts
index bd12d067bcb..d8ea6d51811 100644
--- a/src/relay/git-handler-worktree-ops.test.ts
+++ b/src/relay/git-handler-worktree-ops.test.ts
@@ -287,6 +287,16 @@ describe('removeWorktreeOp', () => {
     )
   })
 
+  it('rejects SSH lock override without dirty-file force before invoking Git', async () => {
+    const git = vi.fn<GitExec>()
+
+    await expect(
+      removeWorktreeOp(git, { worktreePath: '/repo-feature', overrideLock: true })
+    ).rejects.toThrow('Worktree lock override requires force deletion permission.')
+
+    expect(git).not.toHaveBeenCalled()
+  })
+
   it('skips branch deletion entirely when deleteBranch is false', async () => {
     const calls: string[] = []
     const git = vi.fn<GitExec>(async (args, cwd) => {
diff --git a/src/relay/git-handler-worktree-remove.ts b/src/relay/git-handler-worktree-remove.ts
index 552eb54cf19..fcbf2608168 100644
--- a/src/relay/git-handler-worktree-remove.ts
+++ b/src/relay/git-handler-worktree-remove.ts
@@ -1,6 +1,9 @@
 import * as path from 'node:path'
 import type { RemoveWorktreeResult } from '../shared/types'
-import { assertWorktreeUnlockedForRemoval } from '../shared/worktree-removal'
+import {
+  assertWorktreeRemovalForcePermissions,
+  assertWorktreeUnlockedForRemoval
+} from '../shared/worktree-removal'
 import { deleteAlreadyMergedRelayBranchAfterSafeDeleteFailure } from './git-handler-branch-cleanup'
 import type { GitExec } from './git-handler-ops'
 import { isUnsupportedWorktreeListZError, parseWorktreeList } from './git-handler-utils'
@@ -160,6 +163,7 @@ export async function removeWorktreeOp(
   const overrideLock = params.overrideLock === true
   const deleteBranch = params.deleteBranch !== false
   const forceBranchDelete = params.forceBranchDelete === true
+  assertWorktreeRemovalForcePermissions(force === true, overrideLock)
 
   let repoPath = worktreePath
   try {
diff --git a/src/renderer/src/components/sidebar/delete-worktree-dirty-change-counts.ts b/src/renderer/src/components/sidebar/delete-worktree-dirty-change-counts.ts
index 30271b337e8..3a0f709caae 100644
--- a/src/renderer/src/components/sidebar/delete-worktree-dirty-change-counts.ts
+++ b/src/renderer/src/components/sidebar/delete-worktree-dirty-change-counts.ts
@@ -23,6 +23,8 @@ export function getDeleteWorktreeDirtyChangeCounts({
     if ((changeCount ?? 0) > 0) {
       result.set(item.id, changeCount ?? 0)
     } else if (forceDeleteReason === 'dirty') {
+      // Why: Git proved the worktree dirty even when renderer status has not
+      // loaded; keep the warning visible without inventing a file count.
       result.set(item.id, 0)
     }
   }
diff --git a/src/shared/worktree-removal.ts b/src/shared/worktree-removal.ts
index c3b3d597c2b..5505ff9b7b8 100644
--- a/src/shared/worktree-removal.ts
+++ b/src/shared/worktree-removal.ts
@@ -1,6 +1,8 @@
 import type { GitWorktreeInfo } from './types'
 
 export const LOCKED_WORKTREE_REMOVAL_PREFIX = 'Worktree is locked by Git.'
+export const LOCK_OVERRIDE_REQUIRES_FORCE_MESSAGE =
+  'Worktree lock override requires force deletion permission.'
 
 export type WorktreeForceDeleteReason =
   | 'dirty'
@@ -26,6 +28,14 @@ export function assertWorktreeUnlockedForRemoval(
   }
 }
 
+export function assertWorktreeRemovalForcePermissions(force = false, overrideLock = false): void {
+  if (overrideLock && !force) {
+    // Why: Git's second force also discards dirty files, so lock override must
+    // never grant a permission the caller did not explicitly provide.
+    throw new Error(LOCK_OVERRIDE_REQUIRES_FORCE_MESSAGE)
+  }
+}
+
 export function getLockedWorktreeRemovalReason(error: string): string | null {
   const prefixIndex = error.indexOf(`${LOCKED_WORKTREE_REMOVAL_PREFIX} Lock reason: `)
   if (prefixIndex === -1) {