diff --git a/extensions/brave/src/brave-web-search-provider.shared.ts b/extensions/brave/src/brave-web-search-provider.shared.ts
index 57f125103ee..05c0f82e3fe 100644
--- a/extensions/brave/src/brave-web-search-provider.shared.ts
+++ b/extensions/brave/src/brave-web-search-provider.shared.ts
@@ -2,7 +2,6 @@ import {
   normalizeLowercaseStringOrEmpty,
   normalizeOptionalString,
 } from "openclaw/plugin-sdk/text-runtime";
-import { Type } from "typebox";
 
 export type BraveConfig = {
   mode?: string;
@@ -119,7 +118,6 @@ const BRAVE_SEARCH_LANG_ALIASES: Record<string, string> = {
 };
 
 const BRAVE_UI_LANG_LOCALE = /^([a-z]{2})-([a-z]{2})$/i;
-const MAX_BRAVE_SEARCH_COUNT = 10;
 
 function normalizeBraveSearchLang(value: string | undefined): string | undefined {
   if (!value) {
@@ -226,54 +224,3 @@ export function mapBraveLlmContextResults(
     siteName: resolveSiteName(entry.url) || undefined,
   }));
 }
-
-export function createBraveSchema() {
-  return Type.Object({
-    query: Type.String({ description: "Search query string." }),
-    count: Type.Optional(
-      Type.Number({
-        description: "Number of results to return (1-10).",
-        minimum: 1,
-        maximum: MAX_BRAVE_SEARCH_COUNT,
-      }),
-    ),
-    country: Type.Optional(
-      Type.String({
-        description:
-          "2-letter country code for region-specific results (e.g., 'DE', 'US', 'ALL'). Default: 'US'.",
-      }),
-    ),
-    language: Type.Optional(
-      Type.String({
-        description: "ISO 639-1 language code for results (e.g., 'en', 'de', 'fr').",
-      }),
-    ),
-    freshness: Type.Optional(
-      Type.String({
-        description: "Filter by time: 'day' (24h), 'week', 'month', or 'year'.",
-      }),
-    ),
-    date_after: Type.Optional(
-      Type.String({
-        description: "Only results published after this date (YYYY-MM-DD).",
-      }),
-    ),
-    date_before: Type.Optional(
-      Type.String({
-        description: "Only results published before this date (YYYY-MM-DD).",
-      }),
-    ),
-    search_lang: Type.Optional(
-      Type.String({
-        description:
-          "Brave language code for search results (e.g., 'en', 'de', 'en-gb', 'zh-hans', 'zh-hant', 'pt-br').",
-      }),
-    ),
-    ui_lang: Type.Optional(
-      Type.String({
-        description:
-          "Locale code for UI elements in language-region format (e.g., 'en-US', 'de-DE', 'fr-FR', 'tr-TR'). Must include region subtag.",
-      }),
-    ),
-  });
-}
diff --git a/extensions/feishu/src/reactions.ts b/extensions/feishu/src/reactions.ts
index b977c00781e..73d2d75ddb1 100644
--- a/extensions/feishu/src/reactions.ts
+++ b/extensions/feishu/src/reactions.ts
@@ -121,33 +121,3 @@ export async function listReactionsFeishu(params: {
       item.operator_id?.open_id ?? item.operator_id?.user_id ?? item.operator_id?.union_id ?? "",
   }));
 }
-
-/**
- * Common Feishu emoji types for convenience.
- * @see https://open.feishu.cn/document/server-docs/im-v1/message-reaction/emojis-introduce
- */
-export const FeishuEmoji = {
-  // Common reactions
-  THUMBSUP: "THUMBSUP",
-  THUMBSDOWN: "THUMBSDOWN",
-  HEART: "HEART",
-  SMILE: "SMILE",
-  GRINNING: "GRINNING",
-  LAUGHING: "LAUGHING",
-  CRY: "CRY",
-  ANGRY: "ANGRY",
-  SURPRISED: "SURPRISED",
-  THINKING: "THINKING",
-  CLAP: "CLAP",
-  OK: "OK",
-  FIST: "FIST",
-  PRAY: "PRAY",
-  FIRE: "FIRE",
-  PARTY: "PARTY",
-  CHECK: "CHECK",
-  CROSS: "CROSS",
-  QUESTION: "QUESTION",
-  EXCLAMATION: "EXCLAMATION",
-} as const;
-
-export type FeishuEmojiType = (typeof FeishuEmoji)[keyof typeof FeishuEmoji];
diff --git a/extensions/google-meet/src/agent-consult.ts b/extensions/google-meet/src/agent-consult.ts
index da44d5699ae..3d5894a29f5 100644
--- a/extensions/google-meet/src/agent-consult.ts
+++ b/extensions/google-meet/src/agent-consult.ts
@@ -3,7 +3,6 @@ import type { PluginRuntime, RuntimeLogger } from "openclaw/plugin-sdk/plugin-ru
 import {
   buildRealtimeVoiceAgentConsultWorkingResponse,
   consultRealtimeVoiceAgent,
-  REALTIME_VOICE_AGENT_CONSULT_TOOL,
   REALTIME_VOICE_AGENT_CONSULT_TOOL_NAME,
   resolveRealtimeVoiceAgentConsultTools,
   resolveRealtimeVoiceAgentConsultToolsAllow,
@@ -14,7 +13,6 @@ import { normalizeAgentId } from "openclaw/plugin-sdk/routing";
 import type { GoogleMeetConfig, GoogleMeetToolPolicy } from "./config.js";
 
 export const GOOGLE_MEET_AGENT_CONSULT_TOOL_NAME = REALTIME_VOICE_AGENT_CONSULT_TOOL_NAME;
-export const GOOGLE_MEET_AGENT_CONSULT_TOOL = REALTIME_VOICE_AGENT_CONSULT_TOOL;
 
 const GOOGLE_MEET_CONSULT_SYSTEM_PROMPT = [
   "You are a behind-the-scenes consultant for a live meeting voice agent.",
diff --git a/extensions/line/src/channel-shared.ts b/extensions/line/src/channel-shared.ts
index 0b77daca969..887c785ddd1 100644
--- a/extensions/line/src/channel-shared.ts
+++ b/extensions/line/src/channel-shared.ts
@@ -1,11 +1,6 @@
 import { describeWebhookAccountSnapshot } from "openclaw/plugin-sdk/account-helpers";
 import { hasLineCredentials, parseLineAllowFromId } from "./account-helpers.js";
-import {
-  resolveLineAccount,
-  type ChannelPlugin,
-  type OpenClawConfig,
-  type ResolvedLineAccount,
-} from "./channel-api.js";
+import { type ChannelPlugin, type ResolvedLineAccount } from "./channel-api.js";
 import { lineConfigAdapter } from "./config-adapter.js";
 import { LineChannelConfigSchema } from "./config-schema.js";
 
@@ -52,8 +47,4 @@ export const lineChannelPluginCommon = {
   "meta" | "capabilities" | "reload" | "configSchema" | "config"
 >;
 
-export function isLineConfigured(cfg: OpenClawConfig, accountId: string): boolean {
-  return hasLineCredentials(resolveLineAccount({ cfg, accountId }));
-}
-
 export { parseLineAllowFromId };
diff --git a/extensions/telegram/src/bot-handlers.media.ts b/extensions/telegram/src/bot-handlers.media.ts
index 15226073d1a..48af2a7fc13 100644
--- a/extensions/telegram/src/bot-handlers.media.ts
+++ b/extensions/telegram/src/bot-handlers.media.ts
@@ -1,9 +1,6 @@
 import type { Message } from "@grammyjs/types";
 import { MediaFetchError } from "openclaw/plugin-sdk/media-runtime";
 
-export const APPROVE_CALLBACK_DATA_RE =
-  /^\/approve(?:@[^\s]+)?\s+[A-Za-z0-9][A-Za-z0-9._:-]*\s+(allow-once|allow-always|deny)\b/i;
-
 export function isMediaSizeLimitError(err: unknown): boolean {
   const errMsg = String(err);
   return errMsg.includes("exceeds") && errMsg.includes("MB limit");