diff --git a/extensions/browser/src/browser/trash.test.ts b/extensions/browser/src/browser/trash.test.ts
index 52d2345e69a..aae7667deaa 100644
--- a/extensions/browser/src/browser/trash.test.ts
+++ b/extensions/browser/src/browser/trash.test.ts
@@ -2,15 +2,10 @@ import fs from "node:fs";
 import os from "node:os";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 
-const runExec = vi.hoisted(() => vi.fn());
 const resolvePreferredOpenClawTmpDirMock = vi.hoisted(() => vi.fn(() => "/tmp/openclaw"));
 const OPENCLAW_TMP_ROOT = "/tmp/openclaw";
 const TRASH_SOURCE = `${OPENCLAW_TMP_ROOT}/demo`;
 
-vi.mock("../process/exec.js", () => ({
-  runExec,
-}));
-
 vi.mock("openclaw/plugin-sdk/temp-path", () => ({
   resolvePreferredOpenClawTmpDir: resolvePreferredOpenClawTmpDirMock,
 }));
@@ -27,7 +22,6 @@ function mockTrashContainer(...suffixes: string[]) {
 describe("browser trash", () => {
   beforeEach(() => {
     vi.restoreAllMocks();
-    runExec.mockReset();
     resolvePreferredOpenClawTmpDirMock.mockReset();
     resolvePreferredOpenClawTmpDirMock.mockReturnValue("/tmp/openclaw");
     vi.spyOn(Date, "now").mockReturnValue(123);
@@ -51,7 +45,6 @@ describe("browser trash", () => {
     await expect(movePathToTrash(TRASH_SOURCE)).resolves.toBe(
       "/home/test/.Trash/demo-123-secure/demo",
     );
-    expect(runExec).not.toHaveBeenCalled();
     expect(mkdirSync).toHaveBeenCalledWith("/home/test/.Trash", {
       recursive: true,
       mode: 0o700,
diff --git a/extensions/browser/src/infra/secure-random.ts b/extensions/browser/src/infra/secure-random.ts
deleted file mode 100644
index e80e94444c7..00000000000
--- a/extensions/browser/src/infra/secure-random.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { generateSecureToken } from "../sdk-security-runtime.js";
diff --git a/extensions/browser/src/process/exec.ts b/extensions/browser/src/process/exec.ts
deleted file mode 100644
index e0f23baa49f..00000000000
--- a/extensions/browser/src/process/exec.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { runExec } from "../sdk-node-runtime.js";
diff --git a/extensions/discord/package.json b/extensions/discord/package.json
index aa80219a3e9..29ce00f74f5 100644
--- a/extensions/discord/package.json
+++ b/extensions/discord/package.json
@@ -9,7 +9,6 @@
     "discord-api-types": "^0.38.47",
     "https-proxy-agent": "^9.0.0",
     "opusscript": "^0.1.1",
-    "typebox": "1.1.33",
     "undici": "8.1.0",
     "ws": "^8.20.0"
   },
diff --git a/extensions/discord/src/message-tool-schema.ts b/extensions/discord/src/message-tool-schema.ts
deleted file mode 100644
index e12be4c4734..00000000000
--- a/extensions/discord/src/message-tool-schema.ts
+++ /dev/null
@@ -1,114 +0,0 @@
-import { stringEnum } from "openclaw/plugin-sdk/channel-actions";
-import { Type } from "typebox";
-
-const discordComponentEmojiSchema = Type.Object({
-  name: Type.String(),
-  id: Type.Optional(Type.String()),
-  animated: Type.Optional(Type.Boolean()),
-});
-
-const discordComponentOptionSchema = Type.Object({
-  label: Type.String(),
-  value: Type.String(),
-  description: Type.Optional(Type.String()),
-  emoji: Type.Optional(discordComponentEmojiSchema),
-  default: Type.Optional(Type.Boolean()),
-});
-
-const discordComponentButtonSchema = Type.Object({
-  label: Type.String(),
-  style: Type.Optional(stringEnum(["primary", "secondary", "success", "danger", "link"])),
-  url: Type.Optional(Type.String()),
-  emoji: Type.Optional(discordComponentEmojiSchema),
-  disabled: Type.Optional(Type.Boolean()),
-  allowedUsers: Type.Optional(
-    Type.Array(
-      Type.String({
-        description: "Discord user ids or names allowed to interact with this button.",
-      }),
-    ),
-  ),
-});
-
-const discordComponentSelectSchema = Type.Object({
-  type: Type.Optional(stringEnum(["string", "user", "role", "mentionable", "channel"])),
-  placeholder: Type.Optional(Type.String()),
-  minValues: Type.Optional(Type.Number()),
-  maxValues: Type.Optional(Type.Number()),
-  options: Type.Optional(Type.Array(discordComponentOptionSchema)),
-});
-
-const discordComponentBlockSchema = Type.Object({
-  type: Type.String(),
-  text: Type.Optional(Type.String()),
-  texts: Type.Optional(Type.Array(Type.String())),
-  accessory: Type.Optional(
-    Type.Object({
-      type: Type.String(),
-      url: Type.Optional(Type.String()),
-      button: Type.Optional(discordComponentButtonSchema),
-    }),
-  ),
-  spacing: Type.Optional(stringEnum(["small", "large"])),
-  divider: Type.Optional(Type.Boolean()),
-  buttons: Type.Optional(Type.Array(discordComponentButtonSchema)),
-  select: Type.Optional(discordComponentSelectSchema),
-  items: Type.Optional(
-    Type.Array(
-      Type.Object({
-        url: Type.String(),
-        description: Type.Optional(Type.String()),
-        spoiler: Type.Optional(Type.Boolean()),
-      }),
-    ),
-  ),
-  file: Type.Optional(Type.String()),
-  spoiler: Type.Optional(Type.Boolean()),
-});
-
-const discordComponentModalFieldSchema = Type.Object({
-  type: Type.String(),
-  name: Type.Optional(Type.String()),
-  label: Type.String(),
-  description: Type.Optional(Type.String()),
-  placeholder: Type.Optional(Type.String()),
-  required: Type.Optional(Type.Boolean()),
-  options: Type.Optional(Type.Array(discordComponentOptionSchema)),
-  minValues: Type.Optional(Type.Number()),
-  maxValues: Type.Optional(Type.Number()),
-  minLength: Type.Optional(Type.Number()),
-  maxLength: Type.Optional(Type.Number()),
-  style: Type.Optional(stringEnum(["short", "paragraph"])),
-});
-
-const discordComponentModalSchema = Type.Object({
-  title: Type.String(),
-  triggerLabel: Type.Optional(Type.String()),
-  triggerStyle: Type.Optional(stringEnum(["primary", "secondary", "success", "danger", "link"])),
-  fields: Type.Array(discordComponentModalFieldSchema),
-});
-
-export function createDiscordMessageToolComponentsSchema() {
-  return Type.Object(
-    {
-      text: Type.Optional(Type.String()),
-      reusable: Type.Optional(
-        Type.Boolean({
-          description: "Allow components to be used multiple times until they expire.",
-        }),
-      ),
-      container: Type.Optional(
-        Type.Object({
-          accentColor: Type.Optional(Type.String()),
-          spoiler: Type.Optional(Type.Boolean()),
-        }),
-      ),
-      blocks: Type.Optional(Type.Array(discordComponentBlockSchema)),
-      modal: Type.Optional(discordComponentModalSchema),
-    },
-    {
-      description:
-        "Discord components v2 payload. Set reusable=true to keep buttons, selects, and forms active until expiry.",
-    },
-  );
-}
diff --git a/extensions/qqbot/src/bridge/tools/result.ts b/extensions/qqbot/src/bridge/tools/result.ts
deleted file mode 100644
index 28b188f7d5b..00000000000
--- a/extensions/qqbot/src/bridge/tools/result.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export function jsonToolResult(data: unknown) {
-  return {
-    content: [{ type: "text" as const, text: JSON.stringify(data, null, 2) }],
-    details: data,
-  };
-}
diff --git a/extensions/qqbot/src/engine/config/allow-from.ts b/extensions/qqbot/src/engine/config/allow-from.ts
deleted file mode 100644
index 79af4c72bda..00000000000
--- a/extensions/qqbot/src/engine/config/allow-from.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-/**
- * AllowFrom normalization — zero external dependency version.
- *
- * Extracted from channel-config-shared.ts. The original used
- * `normalizeStringifiedOptionalString` from plugin-sdk, which is
- * just `String(x).trim()` for non-null primitives.
- */
-
-/** Normalize a config entry to a trimmed string (empty string for null/undefined). */
-function normalizeEntry(entry: unknown): string {
-  if (entry === null || entry === undefined) {
-    return "";
-  }
-  if (typeof entry === "string" || typeof entry === "number" || typeof entry === "boolean") {
-    return String(entry).trim();
-  }
-  return "";
-}
-
-/** Normalize allowFrom entries: strip `qqbot:` prefix, uppercase. */
-export function formatAllowFrom(params: { allowFrom: unknown[] | undefined | null }): string[] {
-  return (params.allowFrom ?? [])
-    .map((entry) => normalizeEntry(entry))
-    .filter((entry): entry is string => entry.length > 0)
-    .map((entry) => entry.replace(/^qqbot:/i, ""))
-    .map((entry) => entry.toUpperCase());
-}
diff --git a/extensions/qqbot/src/engine/utils/file-utils-runtime.ts b/extensions/qqbot/src/engine/utils/file-utils-runtime.ts
deleted file mode 100644
index 03c99b2b1d7..00000000000
--- a/extensions/qqbot/src/engine/utils/file-utils-runtime.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { fetchRemoteMedia } from "openclaw/plugin-sdk/media-runtime";
diff --git a/extensions/slack/package.json b/extensions/slack/package.json
index 42feeafc014..50424d51bb2 100644
--- a/extensions/slack/package.json
+++ b/extensions/slack/package.json
@@ -7,8 +7,7 @@
   "dependencies": {
     "@slack/bolt": "^4.7.1",
     "@slack/web-api": "^7.15.1",
-    "https-proxy-agent": "^9.0.0",
-    "typebox": "1.1.33"
+    "https-proxy-agent": "^9.0.0"
   },
   "devDependencies": {
     "@openclaw/plugin-sdk": "workspace:*"
diff --git a/extensions/slack/src/message-tool-schema.ts b/extensions/slack/src/message-tool-schema.ts
deleted file mode 100644
index 0bc8578667f..00000000000
--- a/extensions/slack/src/message-tool-schema.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import { Type } from "typebox";
-
-export function createSlackMessageToolBlocksSchema() {
-  return Type.Array(
-    Type.Object(
-      {},
-      {
-        additionalProperties: true,
-        description: "Slack Block Kit payload blocks (Slack only).",
-      },
-    ),
-  );
-}
diff --git a/knip.config.ts b/knip.config.ts
index b1c44aa9afc..98588afac3e 100644
--- a/knip.config.ts
+++ b/knip.config.ts
@@ -43,7 +43,6 @@ const bundledPluginIgnoredRuntimeDependencies = [
   "linkedom",
   "openclaw",
   "pdfjs-dist",
-  "typebox",
 ] as const;
 
 const config = {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b83a5f10607..15cbb410063 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -522,9 +522,6 @@ importers:
       opusscript:
         specifier: ^0.1.1
         version: 0.1.1
-      typebox:
-        specifier: 1.1.33
-        version: 1.1.33
       undici:
         specifier: 8.1.0
         version: 8.1.0
@@ -1226,9 +1223,6 @@ importers:
       https-proxy-agent:
         specifier: ^9.0.0
         version: 9.0.0
-      typebox:
-        specifier: 1.1.33
-        version: 1.1.33
     devDependencies:
       '@openclaw/plugin-sdk':
         specifier: workspace:*