diff --git a/extensions/telegram/src/outbound-adapter.test.ts b/extensions/telegram/src/outbound-adapter.test.ts
index 2b71deeb5a6..849385754da 100644
--- a/extensions/telegram/src/outbound-adapter.test.ts
+++ b/extensions/telegram/src/outbound-adapter.test.ts
@@ -167,6 +167,25 @@ describe("telegramOutbound", () => {
     expect(result).toEqual({ channel: "telegram", messageId: "tg-silent", chatId: "12345" });
   });
 
+  it("does not plain-text sanitize Telegram HTML before durable delivery", async () => {
+    sendMessageTelegramMock.mockResolvedValueOnce({ messageId: "tg-html", chatId: "12345" });
+
+    await telegramOutbound.sendText!({
+      cfg: {} as never,
+      to: "12345",
+      text: "<b>Morning</b> <code>oauth2</code>",
+      deps: { sendTelegram: sendMessageTelegramMock },
+    });
+
+    const options = callOptionsAt(
+      sendMessageTelegramMock,
+      0,
+      "12345",
+      "<b>Morning</b> <code>oauth2</code>",
+    );
+    expect(options.textMode).toBeUndefined();
+  });
+
   it("forwards audioAsVoice payload media to Telegram voice sends", async () => {
     sendMessageTelegramMock.mockResolvedValueOnce({ messageId: "tg-voice", chatId: "12345" });
 
diff --git a/extensions/telegram/src/outbound-adapter.ts b/extensions/telegram/src/outbound-adapter.ts
index a15e07a47f3..e56a38bddd8 100644
--- a/extensions/telegram/src/outbound-adapter.ts
+++ b/extensions/telegram/src/outbound-adapter.ts
@@ -7,7 +7,6 @@ import {
   presentationToInteractiveReply,
   renderMessagePresentationFallbackText,
 } from "openclaw/plugin-sdk/interactive-runtime";
-import { sanitizeForPlainText } from "openclaw/plugin-sdk/outbound-runtime";
 import type { OutboundDeliveryFormattingOptions } from "openclaw/plugin-sdk/outbound-runtime";
 import {
   resolveOutboundSendDep,
@@ -165,8 +164,6 @@ export function createTelegramOutboundAdapter(
     chunkedTextFormatting: { parseMode: "HTML" },
     extractMarkdownImages: true,
     textChunkLimit: TELEGRAM_TEXT_CHUNK_LIMIT,
-    sanitizeText: ({ text }) => sanitizeForPlainText(text),
-    shouldSkipPlainTextSanitization: ({ payload }) => Boolean(payload.channelData),
     shouldSuppressLocalPayloadPrompt: options.shouldSuppressLocalPayloadPrompt,
     beforeDeliverPayload: options.beforeDeliverPayload,
     shouldTreatDeliveredTextAsVisible: options.shouldTreatDeliveredTextAsVisible,
diff --git a/extensions/telegram/src/telegram-outbound.test.ts b/extensions/telegram/src/telegram-outbound.test.ts
index 1a243e88ada..c14acd29076 100644
--- a/extensions/telegram/src/telegram-outbound.test.ts
+++ b/extensions/telegram/src/telegram-outbound.test.ts
@@ -14,6 +14,7 @@ describe("telegramPlugin outbound", () => {
     expect(telegramOutbound.chunkerMode).toBe("markdown");
     expect(telegramOutbound.chunkedTextFormatting).toEqual({ parseMode: "HTML" });
     expect(telegramOutbound.textChunkLimit).toBe(4000);
+    expect(telegramOutbound.sanitizeText).toBeUndefined();
     expect(telegramOutbound.pollMaxOptions).toBe(10);
   });