diff --git a/src/components/PromptInput/Notifications.tsx b/src/components/PromptInput/Notifications.tsx
index 836c122e9..65464dcf9 100644
--- a/src/components/PromptInput/Notifications.tsx
+++ b/src/components/PromptInput/Notifications.tsx
@@ -24,7 +24,6 @@ import { setEnvHookNotifier } from '../../utils/hooks/fileChangedWatcher.js';
 import { toIDEDisplayName } from '../../utils/ide.js';
 import { getMessagesAfterCompactBoundary } from '../../utils/messages.js';
 import { tokenCountFromLastAPIResponse } from '../../utils/tokens.js';
-import { AutoUpdaterWrapper } from '../AutoUpdaterWrapper.js';
 import { ConfigurableShortcutHint } from '../ConfigurableShortcutHint.js';
 import { IdeStatusIndicator } from '../IdeStatusIndicator.js';
 import { MemoryUsageIndicator } from '../MemoryUsageIndicator.js';
@@ -57,13 +56,13 @@ type Props = {
 
 export function Notifications({
   apiKeyStatus,
-  autoUpdaterResult,
+  autoUpdaterResult: _autoUpdaterResult,
   debug,
-  isAutoUpdating,
+  isAutoUpdating: _isAutoUpdating,
   verbose,
   messages,
-  onAutoUpdaterResult,
-  onChangeIsUpdating,
+  onAutoUpdaterResult: _onAutoUpdaterResult,
+  onChangeIsUpdating: _onChangeIsUpdating,
   ideSelection,
   mcpClients,
   isInputWrapped = false,
@@ -102,9 +101,6 @@ export function Notifications({
   const shouldShowIdeSelection =
     ideStatus === 'connected' && (ideSelection?.filePath || (ideSelection?.text && ideSelection.lineCount > 0));
 
-  // Hide update installed message when showing IDE selection
-  const shouldShowAutoUpdater = !shouldShowIdeSelection || isAutoUpdating || autoUpdaterResult?.status !== 'success';
-
   // Check if we're in overage mode for UI indicators
   const isInOverageMode = claudeAiLimits.isUsingOverage;
   const subscriptionType = getSubscriptionType();
@@ -157,12 +153,6 @@ export function Notifications({
           verbose={verbose}
           tokenUsage={tokenUsage}
           mainLoopModel={mainLoopModel}
-          shouldShowAutoUpdater={shouldShowAutoUpdater}
-          autoUpdaterResult={autoUpdaterResult}
-          isAutoUpdating={isAutoUpdating}
-          isShowingCompactMessage={isShowingCompactMessage}
-          onAutoUpdaterResult={onAutoUpdaterResult}
-          onChangeIsUpdating={onChangeIsUpdating}
         />
       </Box>
     </SentryErrorBoundary>
@@ -180,12 +170,6 @@ function NotificationContent({
   verbose,
   tokenUsage,
   mainLoopModel,
-  shouldShowAutoUpdater,
-  autoUpdaterResult,
-  isAutoUpdating,
-  isShowingCompactMessage,
-  onAutoUpdaterResult,
-  onChangeIsUpdating,
 }: {
   ideSelection: IDESelection | undefined;
   mcpClients?: MCPServerConnection[];
@@ -200,12 +184,6 @@ function NotificationContent({
   verbose: boolean;
   tokenUsage: number;
   mainLoopModel: string;
-  shouldShowAutoUpdater: boolean;
-  autoUpdaterResult: AutoUpdaterResult | null;
-  isAutoUpdating: boolean;
-  isShowingCompactMessage: boolean;
-  onAutoUpdaterResult: (result: AutoUpdaterResult) => void;
-  onChangeIsUpdating: (isUpdating: boolean) => void;
 }): ReactNode {
   // Poll apiKeyHelper inflight state to show slow-helper notice.
   // Gated on configuration — most users never set apiKeyHelper, so the
diff --git a/src/utils/attachments.ts b/src/utils/attachments.ts
index 4e20f648c..d53c16382 100644
--- a/src/utils/attachments.ts
+++ b/src/utils/attachments.ts
@@ -69,6 +69,7 @@ import type {
 } from '@anthropic-ai/sdk/resources/messages.mjs'
 import { maybeResizeAndDownsampleImageBlock } from './imageResizer.js'
 import type { PastedContent } from './config.js'
+import { getSettings_DEPRECATED } from './settings/settings.js'
 import {
   getDefaultSonnetModel,
   getDefaultHaikuModel,
diff --git a/src/utils/computerUse/gates.ts b/src/utils/computerUse/gates.ts
index b18af2a4a..64c7f831a 100644
--- a/src/utils/computerUse/gates.ts
+++ b/src/utils/computerUse/gates.ts
@@ -1,7 +1,6 @@
 import type { CoordinateMode, CuSubGates } from '@ant/computer-use-mcp/types'
 
 import { getDynamicConfig_CACHED_MAY_BE_STALE } from '../../services/analytics/growthbook.js'
-import { getSubscriptionType } from '../auth.js'
 import { isEnvTruthy } from '../envUtils.js'
 
 type ChicagoConfig = CuSubGates & {
diff --git a/src/utils/computerUse/win32/inputIndicator.ts b/src/utils/computerUse/win32/inputIndicator.ts
index 0a6f6da0c..42450d2b7 100644
--- a/src/utils/computerUse/win32/inputIndicator.ts
+++ b/src/utils/computerUse/win32/inputIndicator.ts
@@ -22,7 +22,6 @@ const INDICATOR_HEIGHT = 28
 const FADE_AFTER_MS = 2000
 const BG_COLOR = '30, 30, 30' // dark background
 const TEXT_COLOR = '220, 220, 220' // light text
-const ACCENT_COLOR = '80, 200, 80' // green accent for active
 
 let indicatorProc: ReturnType<typeof Bun.spawn> | null = null
 let stopFile: string | null = null
diff --git a/src/utils/computerUse/win32/windowMessage.ts b/src/utils/computerUse/win32/windowMessage.ts
index 5b904e1ba..b3eeff038 100644
--- a/src/utils/computerUse/win32/windowMessage.ts
+++ b/src/utils/computerUse/win32/windowMessage.ts
@@ -12,9 +12,6 @@
 
 import { validateHwnd, runPs, VK_MAP, MODIFIER_KEYS } from './shared.js'
 
-/** Character count above which we switch to clipboard paste */
-const CLIPBOARD_THRESHOLD = 32
-
 /** Cache findEditChild results — window structure doesn't change while bound */
 const editChildCache = new Map<string, string | null>()
 
@@ -275,46 +272,6 @@ function buildWmCharLines(hwnd: string, text: string): string[] {
   return lines
 }
 
-/**
- * Paste text via clipboard into the target window.
- * Uses Clipboard.SetText() + SendMessageW(Ctrl+V).
- * NO global APIs (SendInput/keybd_event/SendKeys) — only window-targeted messages.
- */
-function pasteViaClipboard(hwnd: string, text: string): boolean {
-  // Escape single quotes for PowerShell string literal
-  const escaped = text.replace(/'/g, "''")
-  const hwndExpr = `[IntPtr]::new([long]${hwnd})`
-  const script = `${WINMSG_TYPE}
-Add-Type -AssemblyName System.Windows.Forms
-
-# Save current clipboard
-$saved = $null
-try { $saved = [System.Windows.Forms.Clipboard]::GetText() } catch {}
-
-# Set our text
-[System.Windows.Forms.Clipboard]::SetText('${escaped}')
-
-# Ctrl+V via PostMessage to the target window (NOT global keybd_event)
-# Must use PostMessage + correct lParam (scan code) for Windows Terminal / ConPTY
-[WinMsg]::PostMessage(${hwndExpr}, [WinMsg]::WM_KEYDOWN, [IntPtr]0x11, [WinMsg]::KeyDownLParam(0x11))  # Ctrl down
-[WinMsg]::PostMessage(${hwndExpr}, [WinMsg]::WM_KEYDOWN, [IntPtr]0x56, [WinMsg]::KeyDownLParam(0x56))  # V down
-[WinMsg]::PostMessage(${hwndExpr}, [WinMsg]::WM_KEYUP, [IntPtr]0x56, [WinMsg]::KeyUpLParam(0x56))      # V up
-[WinMsg]::PostMessage(${hwndExpr}, [WinMsg]::WM_KEYUP, [IntPtr]0x11, [WinMsg]::KeyUpLParam(0x11))      # Ctrl up
-
-# Brief wait for paste to complete
-Start-Sleep -Milliseconds 50
-
-# Restore clipboard
-if ($saved -ne $null -and $saved -ne '') {
-    try { [System.Windows.Forms.Clipboard]::SetText($saved) } catch {}
-} else {
-    try { [System.Windows.Forms.Clipboard]::Clear() } catch {}
-}
-Write-Output 'OK'
-`
-  return runPs(script) === 'OK'
-}
-
 /**
  * Send text to a window via WM_CHAR per Unicode codepoint.
  * Always uses the WM_CHAR path — reliable across all window types including
diff --git a/src/utils/lanBeacon.ts b/src/utils/lanBeacon.ts
index b54adab33..e938611cc 100644
--- a/src/utils/lanBeacon.ts
+++ b/src/utils/lanBeacon.ts
@@ -87,7 +87,7 @@ export class LanBeacon extends EventEmitter {
         // Non-fatal — multicast may not be supported on this network
       })
 
-      this.socket.on('message', (buf, rinfo) => {
+      this.socket.on('message', (buf, _rinfo) => {
         try {
           const msg = JSON.parse(buf.toString()) as LanAnnounce
           if (msg.proto !== 'claude-pipe-v1') return
diff --git a/src/utils/messages.ts b/src/utils/messages.ts
index 494d9f464..6d628f895 100644
--- a/src/utils/messages.ts
+++ b/src/utils/messages.ts
@@ -1431,7 +1431,7 @@ export function updateMessageLookupsIncremental(
     const msg = messages[i]!
     if (msg.type === 'assistant') {
       const aMsg = msg as AssistantMessage
-      const id = aMsg.message.id!
+      const _id = aMsg.message.id!
       if (Array.isArray(aMsg.message.content)) {
         const newToolUseIDs: string[] = []
         for (const content of aMsg.message.content) {
diff --git a/src/utils/model/modelOptions.ts b/src/utils/model/modelOptions.ts
index 754963955..7e9bb5f11 100644
--- a/src/utils/model/modelOptions.ts
+++ b/src/utils/model/modelOptions.ts
@@ -158,15 +158,6 @@ function getCustomOpusOption(): ModelOption | undefined {
   }
 }
 
-function getOpus41Option(): ModelOption {
-  return {
-    value: 'opus',
-    label: 'Opus 4.1',
-    description: `Opus 4.1 · Legacy`,
-    descriptionForModel: 'Opus 4.1 - legacy version',
-  }
-}
-
 function getOpus47Option(fastMode = false): ModelOption {
   const is3P = getAPIProvider() !== 'firstParty'
   return {
diff --git a/src/utils/permissions/PermissionMode.ts b/src/utils/permissions/PermissionMode.ts
index ac02d9bbf..4294391eb 100644
--- a/src/utils/permissions/PermissionMode.ts
+++ b/src/utils/permissions/PermissionMode.ts
@@ -1,4 +1,3 @@
-import { feature } from 'bun:bundle'
 import z from 'zod/v4'
 import { PAUSE_ICON } from '../../constants/figures.js'
 // Types extracted to src/types/permissions.ts to break import cycles
diff --git a/src/utils/permissions/bypassPermissionsKillswitch.ts b/src/utils/permissions/bypassPermissionsKillswitch.ts
index 393f0e10a..533e840f2 100644
--- a/src/utils/permissions/bypassPermissionsKillswitch.ts
+++ b/src/utils/permissions/bypassPermissionsKillswitch.ts
@@ -1,6 +1,5 @@
 import { feature } from 'bun:bundle'
 import { useEffect, useRef } from 'react'
-import { useNotifications } from 'src/context/notifications.js'
 import { toError } from '../../utils/errors.js'
 import { logError } from '../../utils/log.js'
 import { getIsRemoteMode } from '../../bootstrap/state.js'
diff --git a/src/utils/permissions/getNextPermissionMode.ts b/src/utils/permissions/getNextPermissionMode.ts
index 67a077d8a..7352edf6c 100644
--- a/src/utils/permissions/getNextPermissionMode.ts
+++ b/src/utils/permissions/getNextPermissionMode.ts
@@ -1,5 +1,4 @@
 import type { ToolPermissionContext } from '../../Tool.js'
-import { logForDebugging } from '../debug.js'
 import type { PermissionMode } from './PermissionMode.js'
 import { transitionPermissionMode } from './permissionSetup.js'
 
diff --git a/src/utils/permissions/permissionSetup.ts b/src/utils/permissions/permissionSetup.ts
index 711107745..4242dfc13 100644
--- a/src/utils/permissions/permissionSetup.ts
+++ b/src/utils/permissions/permissionSetup.ts
@@ -874,7 +874,7 @@ export async function initializeToolPermissionContext({
   disallowedToolsCli,
   baseToolsCli,
   permissionMode,
-  allowDangerouslySkipPermissions,
+  allowDangerouslySkipPermissions: _allowDangerouslySkipPermissions,
   addDirs,
 }: {
   allowedToolsCli: string[]
diff --git a/src/utils/pipeRegistry.ts b/src/utils/pipeRegistry.ts
index 8e5554f8f..da2b07a5f 100644
--- a/src/utils/pipeRegistry.ts
+++ b/src/utils/pipeRegistry.ts
@@ -11,7 +11,6 @@
 import { readFile, writeFile, unlink, mkdir } from 'fs/promises'
 import { join } from 'path'
 import { createHash } from 'crypto'
-import { getClaudeConfigHomeDir } from './envUtils.js'
 import { isPipeAlive, getPipesDir } from './pipeTransport.js'
 import type { TcpEndpoint } from './pipeTransport.js'
 import type { LanAnnounce } from './lanBeacon.js'
diff --git a/src/utils/promptEditor.ts b/src/utils/promptEditor.ts
index fa23b2818..685ddcaff 100644
--- a/src/utils/promptEditor.ts
+++ b/src/utils/promptEditor.ts
@@ -106,7 +106,7 @@ export function editFileInEditor(filePath: string): EditorResult {
  */
 function recollapsePastedContent(
   editedPrompt: string,
-  originalPrompt: string,
+  _originalPrompt: string,
   pastedContents: Record<number, PastedContent>,
 ): string {
   let collapsed = editedPrompt
diff --git a/src/utils/queryHelpers.ts b/src/utils/queryHelpers.ts
index 8f8679778..94dbb7404 100644
--- a/src/utils/queryHelpers.ts
+++ b/src/utils/queryHelpers.ts
@@ -1,5 +1,4 @@
 import type { ToolUseBlock } from '@anthropic-ai/sdk/resources/index.mjs'
-import last from 'lodash-es/last.js'
 import {
   getSessionId,
   isSessionPersistenceDisabled,
diff --git a/src/utils/sentry.ts b/src/utils/sentry.ts
index 63d1359d7..83e85f3af 100644
--- a/src/utils/sentry.ts
+++ b/src/utils/sentry.ts
@@ -76,7 +76,7 @@ export function initSentry(): void {
       'CancelError',
     ],
 
-    beforeSendTransaction(event) {
+    beforeSendTransaction(_event) {
       // Don't send performance transactions for now — errors only
       return null
     },
diff --git a/src/utils/settings/types.ts b/src/utils/settings/types.ts
index 974a27be0..36a5a5519 100644
--- a/src/utils/settings/types.ts
+++ b/src/utils/settings/types.ts
@@ -3,10 +3,7 @@ import { z } from 'zod/v4'
 import { SandboxSettingsSchema } from '../../entrypoints/sandboxTypes.js'
 import { isEnvTruthy } from '../envUtils.js'
 import { lazySchema } from '../lazySchema.js'
-import {
-  EXTERNAL_PERMISSION_MODES,
-  PERMISSION_MODES,
-} from '../permissions/PermissionMode.js'
+import { PERMISSION_MODES } from '../permissions/PermissionMode.js'
 import { MarketplaceSourceSchema } from '../plugins/schemas.js'
 import { CLAUDE_CODE_SETTINGS_SCHEMA_URL } from './constants.js'
 import { PermissionRuleSchema } from './permissionValidation.js'
diff --git a/src/utils/toolPool.ts b/src/utils/toolPool.ts
index b756d9153..5021980c8 100644
--- a/src/utils/toolPool.ts
+++ b/src/utils/toolPool.ts
@@ -55,7 +55,7 @@ export function applyCoordinatorToolFilter(tools: Tools): Tools {
 export function mergeAndFilterTools(
   initialTools: Tools,
   assembled: Tools,
-  mode: ToolPermissionContext['mode'],
+  _mode: ToolPermissionContext['mode'],
 ): Tools {
   // Merge initialTools on top - they take precedence in deduplication.
   // initialTools may include built-in tools (from getTools() in REPL.tsx) which