diff --git a/CLAUDE.md b/CLAUDE.md
index 6d3044e..af7d516 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -33,7 +33,6 @@ Cloudflare Workers with two entry points exported from `src/index.js`:
 | GET | `/` | inline | Health check |
 | POST | `/webhook/telegram` | `bot-commands.js` | grammY `webhookCallback("cloudflare-mod")` |
 | POST | `/webhook/status/:secret` | `statuspage-webhook.js` | Receives Statuspage webhooks (URL secret) |
-| POST | `/migrate/:secret` | inline | One-time KV migration (remove after use) |
 
 ### Data Flow
 
diff --git a/README.md b/README.md
index 376b716..daecd43 100644
--- a/README.md
+++ b/README.md
@@ -105,16 +105,6 @@ It will prompt for your bot token and worker URL. You should see `{"ok":true}` f
 
 Replace `<WEBHOOK_SECRET>` with the secret you set in step 4.
 
-### 8. Run migration (if upgrading)
-
-If you have existing subscribers from an older version, run the migration endpoint once:
-
-```bash
-curl -X POST https://<WORKER_URL>/migrate/<WEBHOOK_SECRET>
-```
-
-This converts the old single-key format to per-subscriber KV keys. Remove the `/migrate` route from `src/index.js` after confirming success.
-
 ## Local Development
 
 ```bash
diff --git a/src/index.js b/src/index.js
index 6f658f0..c0d254d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,8 +2,6 @@ import { Hono } from "hono";
 import { handleTelegramWebhook } from "./bot-commands.js";
 import { handleStatuspageWebhook } from "./statuspage-webhook.js";
 import { handleQueue } from "./queue-consumer.js";
-import { migrateFromSingleKey } from "./kv-store.js";
-import { timingSafeEqual } from "./crypto-utils.js";
 
 const app = new Hono();
 
@@ -24,15 +22,6 @@ app.get("/", (c) => c.text("Claude Status Bot is running"));
 app.post("/webhook/telegram", (c) => handleTelegramWebhook(c));
 app.post("/webhook/status/:secret", (c) => handleStatuspageWebhook(c));
 
-// One-time migration route — remove after migration is confirmed
-app.post("/migrate/:secret", async (c) => {
-  const secret = c.req.param("secret");
-  if (!await timingSafeEqual(secret, c.env.WEBHOOK_SECRET)) {
-    return c.text("Unauthorized", 401);
-  }
-  const count = await migrateFromSingleKey(c.env.claude_status);
-  return c.json({ migrated: count });
-});
 
 export default {
   fetch: app.fetch,
diff --git a/src/kv-store.js b/src/kv-store.js
index cf67f14..c3a74ed 100644
--- a/src/kv-store.js
+++ b/src/kv-store.js
@@ -136,31 +136,3 @@ export async function getSubscribersByType(kv, eventType, componentName = null)
 
   return results;
 }
-
-/**
- * One-time migration from single-key "subscribers" to per-key format.
- * Returns count of migrated entries.
- */
-export async function migrateFromSingleKey(kv) {
-  const old = await kv.get("subscribers", "json");
-  if (!old) return 0;
-
-  const entries = Object.entries(old);
-  for (const [compositeKey, value] of entries) {
-    const data = { types: value.types || [], components: value.components || [] };
-    await kv.put(`${KEY_PREFIX}${compositeKey}`, JSON.stringify(data), {
-      metadata: buildMetadata(data.types, data.components),
-    });
-  }
-
-  // Verify migrated count before deleting old key
-  const migrated = await listAllSubscriberKeys(kv);
-  if (migrated.length >= entries.length) {
-    await kv.delete("subscribers");
-    console.log(`Migration complete: ${entries.length} subscribers migrated`);
-  } else {
-    console.error(`Migration verification failed: expected ${entries.length}, got ${migrated.length}`);
-  }
-
-  return entries.length;
-}