diff --git a/islands/SessionStringAnalyzer.tsx b/islands/SessionStringAnalyzer.tsx
index c099338..dd0b1b2 100644
--- a/islands/SessionStringAnalyzer.tsx
+++ b/islands/SessionStringAnalyzer.tsx
@@ -12,7 +12,7 @@ import {
   deserializeMtkruto,
   deserializePyrogram,
   deserializeTelethon,
-} from "../lib/session_string.tsx";
+} from "../lib/session_string.ts";
 
 const hash = getHashSignal();
 const getString = () => decodeURIComponent(hash.value.slice(1));
diff --git a/islands/SessionStringGenerator.tsx b/islands/SessionStringGenerator.tsx
index 35591c8..3654330 100644
--- a/islands/SessionStringGenerator.tsx
+++ b/islands/SessionStringGenerator.tsx
@@ -12,7 +12,7 @@ import {
   serializeMtcute,
   serializePyrogram,
   serializeTelethon,
-} from "../lib/session_string.tsx";
+} from "../lib/session_string.ts";
 import { UNREACHABLE } from "mtkruto/1_utilities.ts";
 import { Spinner2 } from "../components/icons/Spinner.tsx";
 import { storedString } from "../lib/stored_signals.tsx";
diff --git a/islands/UpdateExplorer.tsx b/islands/UpdateExplorer.tsx
index d88a95c..c1df38b 100644
--- a/islands/UpdateExplorer.tsx
+++ b/islands/UpdateExplorer.tsx
@@ -5,7 +5,7 @@ import "prism-json";
 import { useEffect } from "preact/hooks";
 import { signal, useComputed, useSignal } from "@preact/signals";
 import { storedBoolean } from "../lib/stored_signals.tsx";
-import { useLiveQuerySignal } from "../lib/dexie_live_query_signal.tsx";
+import { useLiveQuerySignal } from "../lib/dexie_live_query_signal.ts";
 import { Db, Update } from "../lib/update_explorer_db.ts";
 import { Caption } from "../components/Caption.tsx";
 import { Button } from "../components/Button.tsx";
diff --git a/lib/dexie_live_query_signal.tsx b/lib/dexie_live_query_signal.ts
similarity index 100%
rename from lib/dexie_live_query_signal.tsx
rename to lib/dexie_live_query_signal.ts
diff --git a/lib/session_string.tsx b/lib/session_string.ts
similarity index 100%
rename from lib/session_string.tsx
rename to lib/session_string.ts
diff --git a/lib/session_string_test.tsx b/lib/session_string_test.ts
similarity index 94%
rename from lib/session_string_test.tsx
rename to lib/session_string_test.ts
index 122edb6..577a89a 100644
--- a/lib/session_string_test.tsx
+++ b/lib/session_string_test.ts
@@ -1,14 +1,14 @@
 import { assertEquals } from "$std/assert/mod.ts";
-import { deserializeMtkruto } from "./session_string.tsx";
-import { serializeMtcute } from "./session_string.tsx";
-import { deserializeTelethon } from "./session_string.tsx";
+import { deserializeMtkruto } from "./session_string.ts";
+import { serializeMtcute } from "./session_string.ts";
+import { deserializeTelethon } from "./session_string.ts";
 import {
   deserializeGramjs,
   deserializePyrogram,
   serializeGramjs,
   serializePyrogram,
   serializeTelethon,
-} from "./session_string.tsx";
+} from "./session_string.ts";
 
 Deno.test("Pyrogram", async (t) => {
   const dc = 2;
@@ -36,9 +36,6 @@ Deno.test("Pyrogram", async (t) => {
     assertEquals(deserialized.userId, userId);
     assertEquals(deserialized.isBot, isBot);
   });
-
-  await t.step("smoke", () => {
-  });
 });
 
 Deno.test("Telethon", async (t) => {