diff --git a/packages/typescript/Quran/src/index.ts b/packages/typescript/Quran/src/index.ts
index 652e89c..a0e9ab1 100644
--- a/packages/typescript/Quran/src/index.ts
+++ b/packages/typescript/Quran/src/index.ts
@@ -1,8 +1,8 @@
 type TLocale = "ar" | "en";
-type TAyat = Ayah<TAyah>[];
+type TAyat = Ayah[];
 type TQuran = {
   locale: TLocale;
-  surahs: Surah<TSurah>[];
+  surahs: Surah[];
 }
 type TSurah = {
   readonly id: number;
@@ -16,17 +16,17 @@ type TAyah = {
   body: string;
 }
 
-class Quran<T extends TQuran> {
+class Quran {
   locale: TLocale;
-  surahs: Surah<TSurah>[];
+  surahs: Surah[];
 
-  constructor(self: T) {
+  constructor(self: TQuran) {
     this.locale = self.locale;
     this.surahs = self.surahs;
   }
 }
 
-class Surah<T extends TSurah> {
+class Surah {
   readonly id: number;
   readonly name: string;
   readonly numberOfAyah: number;
@@ -34,7 +34,7 @@ class Surah<T extends TSurah> {
   readonly utf8: { codepoints: number[] };
   readonly ayat: TAyat
 
-  constructor(self: T) {
+  constructor(self: TSurah) {
     this.id = self.id;
     this.name = self.name;
     this.numberOfAyah = self.numberOfAyah;
@@ -53,12 +53,12 @@ class Surah<T extends TSurah> {
   }
 }
 
-class Ayah<T extends TAyah> {
+class Ayah {
   readonly id: number;
   readonly body: string;
   ms: number;
 
-  constructor(self: T) {
+  constructor(self: TAyah) {
     this.id = self.id;
     this.body = self.body;
     this.ms = 0;
diff --git a/src/js/components/AudioControl.tsx b/src/js/components/AudioControl.tsx
index 1ab8e76..09e98e8 100644
--- a/src/js/components/AudioControl.tsx
+++ b/src/js/components/AudioControl.tsx
@@ -1,5 +1,5 @@
-import type { Surah, TSurah, Ayah, TAyah } from "Quran";
-import React, { useEffect, useMemo, useState } from "react";
+import React, { useEffect, useState } from "react";
+import type { Surah, Ayah } from "Quran";
 import { SoundOnIcon, SoundOffIcon } from "~/components/Icon";
 
 export type TAudioStatus = "play" | "pause" | "wait" | "end";
@@ -8,8 +8,8 @@ type Maybe<T> = T | null | undefined;
 type TChangeFuncs = [() => void, () => void];
 type Props = {
   audio: HTMLAudioElement;
-  surah: Surah<TSurah>;
-  ayah: Maybe<Ayah<TAyah>>;
+  surah: Surah;
+  ayah: Maybe<Ayah>;
   hidden?: boolean;
   onStatusChange?: (s: TAudioStatus, fns: TChangeFuncs) => void;
 };
diff --git a/src/js/components/Stream.tsx b/src/js/components/Stream.tsx
index 37d7cce..97b0165 100644
--- a/src/js/components/Stream.tsx
+++ b/src/js/components/Stream.tsx
@@ -1,11 +1,11 @@
 import React, { useEffect, useMemo, useRef } from "react";
-import { Surah, Ayah, TAyah, TAyat, TSurah, TLocale } from "Quran";
+import type { Surah, Ayah, TAyat, TLocale } from "Quran";
 import { AudioControl } from "~/components/AudioControl";
 import { formatNumber, TFunction } from "~/lib/t";
 import classNames from "classnames";
 
 type Props = {
-  surah: Surah<TSurah>;
+  surah: Surah;
   stream: TAyat;
   locale: TLocale;
   endOfStream: boolean;
@@ -35,7 +35,7 @@ export function Stream({
         )}
         ref={ref}
       >
-        {stream.map((ayah: Ayah<TAyah>) => {
+        {stream.map((ayah: Ayah) => {
           return (
             <li
               key={ayah.id}
diff --git a/src/js/components/SurahIndex/Filter.tsx b/src/js/components/SurahIndex/Filter.tsx
index 2ffe56c..50ad724 100644
--- a/src/js/components/SurahIndex/Filter.tsx
+++ b/src/js/components/SurahIndex/Filter.tsx
@@ -1,12 +1,12 @@
 import React from "react";
 import { TFunction } from "~/lib/t";
-import type { TLocale, TSurah, Surah } from "Quran";
+import type { Surah, TLocale } from "Quran";
 
 type Props = {
   t: TFunction;
   locale: TLocale;
-  setIndex: (k: Surah<TSurah>[]) => void;
-  surahs: Surah<TSurah>[];
+  setIndex: (k: Surah[]) => void;
+  surahs: Surah[];
 };
 
 export function Filter({ t, locale, setIndex, surahs }: Props) {
diff --git a/src/js/components/SurahIndex/index.tsx b/src/js/components/SurahIndex/index.tsx
index 927f8f3..01c795f 100644
--- a/src/js/components/SurahIndex/index.tsx
+++ b/src/js/components/SurahIndex/index.tsx
@@ -1,5 +1,5 @@
 import React, { useRef, useState, useEffect } from "react";
-import { TLocale, TSurah, Surah } from "Quran";
+import type { Surah, TLocale } from "Quran";
 import { useTheme } from "~/hooks/useTheme";
 import { formatNumber, TFunction } from "~/lib/t";
 import { RightArrow } from "~/components/Icon";
@@ -9,13 +9,13 @@ import classNames from "classnames";
 
 type Props = {
   locale: TLocale;
-  surahs: Surah<TSurah>[];
+  surahs: Surah[];
   t: TFunction;
 };
 
 export function SurahIndex({ locale, surahs, t }: Props) {
   const [theme, setTheme] = useTheme();
-  const [index, setIndex] = useState<Surah<TSurah>[]>(surahs);
+  const [index, setIndex] = useState<Surah[]>(surahs);
   const ref = useRef<HTMLDivElement>();
   const ltr = locale === "en";
 
diff --git a/src/js/components/SurahStream.tsx b/src/js/components/SurahStream.tsx
index a0ea138..f7a3c33 100644
--- a/src/js/components/SurahStream.tsx
+++ b/src/js/components/SurahStream.tsx
@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useMemo, useRef } from "react";
 import classNames from "classnames";
-import { Surah, Ayah, TAyah, TSurah, TAyat, TLocale } from "Quran";
+import type { Surah, Ayah, TAyat, TLocale } from "Quran";
 import { useTheme } from "~/hooks/useTheme";
 import { Timer } from "~/components/Timer";
 import { Stream } from "~/components/Stream";
@@ -17,7 +17,7 @@ import { TFunction } from "~/lib/t";
 type Maybe<T> = T | null | undefined;
 
 type Props = {
-  surah: Surah<TSurah>;
+  surah: Surah;
   locale: TLocale;
   t: TFunction;
 };
@@ -32,7 +32,7 @@ export function SurahStream({ surah, locale, t }: Props) {
   const ref = useRef<HTMLDivElement>();
   const audio = useMemo(() => new Audio(), []);
   const readyToRender = stream.length > 0;
-  const ayah: Maybe<Ayah<TAyah>> = stream[stream.length - 1];
+  const ayah: Maybe<Ayah> = stream[stream.length - 1];
 
   useEffect(() => {
     if (ref.current) {
diff --git a/src/js/components/Timer.tsx b/src/js/components/Timer.tsx
index c75967e..7819afa 100644
--- a/src/js/components/Timer.tsx
+++ b/src/js/components/Timer.tsx
@@ -1,11 +1,11 @@
 import React, { useEffect } from "react";
-import { Surah, Ayah, TAyah, TSurah, TLocale, TAyat } from "Quran";
+import type { Surah, Ayah, TLocale, TAyat } from "Quran";
 import { formatNumber } from "~/lib/t";
 
 type Maybe<T> = T | null | undefined;
 
 type Props = {
-  surah: Surah<TSurah>;
+  surah: Surah;
   locale: TLocale;
   stream: TAyat;
   setStream: (stream: TAyat) => void;
@@ -27,8 +27,8 @@ export function Timer({
   ms,
   setMs,
 }: Props) {
-  const ayah: Maybe<Ayah<TAyah>> = stream[stream.length - 1];
-  const lastAyah: Maybe<Ayah<TAyah>> = surah.ayat[surah.ayat.length - 1];
+  const ayah: Maybe<Ayah> = stream[stream.length - 1];
+  const lastAyah: Maybe<Ayah> = surah.ayat[surah.ayat.length - 1];
 
   useEffect(() => {
     if (!ayah) {
diff --git a/src/js/main/surah-index.tsx b/src/js/main/surah-index.tsx
index 963d409..4525890 100644
--- a/src/js/main/surah-index.tsx
+++ b/src/js/main/surah-index.tsx
@@ -8,7 +8,7 @@ import { SurahIndex } from "~/components/SurahIndex";
   const root: HTMLElement = document.querySelector(".root")!;
   const locale = root.getAttribute("data-locale") as TLocale;
   const t = T(require("@json/t.json"));
-  const surahs: Surah<TSurah>[] = require("@json/surahs").map(
+  const surahs: Surah[] = require("@json/surahs").map(
     (e: TSurah) => new Surah(e),
   );
   ReactDOM.createRoot(root).render(
diff --git a/src/js/main/surah-stream.tsx b/src/js/main/surah-stream.tsx
index bfdc75d..c8574e7 100644
--- a/src/js/main/surah-stream.tsx
+++ b/src/js/main/surah-stream.tsx
@@ -23,7 +23,7 @@ import { SurahStream } from "~/components/SurahStream";
   }
   for (let i = 0; i < surah.ayat.length; i++) {
     const ayah = surah.ayat[i];
-    const [_, ms] = blob2[i];
+    const [, ms] = blob2[i];
     ayah.ms = ms * 1000;
   }