diff --git a/src/components/about.astro b/src/components/about.astro
index 8d5af25..7e354fa 100644
--- a/src/components/about.astro
+++ b/src/components/about.astro
@@ -19,7 +19,7 @@ const paragraphs = [
     title: 'Create Your Soundscape',
   },
   {
-    body: 'Moodist offers more than ambient sounds with its suite of productivity tools to keep you organized and focused. Use the built-in pomodoro timer for structured work intervals, jot down ideas in the notepad, track tasks with the to-do list (coming soon), and set multiple timers with the distraction-free countdown timer. These tools integrate seamlessly with the ambient soundscapes, creating a personalized environment that fosters focus and relaxation.',
+    body: 'Moodist offers more than ambient sounds with its suite of productivity tools to keep you organized and focused. Use the built-in pomodoro timer for structured work intervals, jot down ideas in the notepad, and track tasks with the to-do list (coming soon). These tools integrate seamlessly with the ambient soundscapes, creating a personalized environment that fosters focus and relaxation.',
     title: 'A Productivity Toolbox',
   },
   {
diff --git a/src/components/menu/items/countdown-timer.tsx b/src/components/menu/items/countdown-timer.tsx
index 68c9647..51e3714 100644
--- a/src/components/menu/items/countdown-timer.tsx
+++ b/src/components/menu/items/countdown-timer.tsx
@@ -2,17 +2,12 @@ import { MdOutlineTimer } from 'react-icons/md/index';
 
 import { Item } from '../item';
 
-interface SleepTimerProps {
-  open: () => void;
-}
-
-export function CountdownTimer({ open }: SleepTimerProps) {
+export function CountdownTimer() {
   return (
     <Item
+      href="https://timesy.app"
       icon={<MdOutlineTimer />}
       label="Countdown Timer"
-      shortcut="Shift + C"
-      onClick={open}
     />
   );
 }
diff --git a/src/components/menu/menu.tsx b/src/components/menu/menu.tsx
index 1106dee..ff3eb12 100644
--- a/src/components/menu/menu.tsx
+++ b/src/components/menu/menu.tsx
@@ -22,12 +22,7 @@ import { ShareLinkModal } from '@/components/modals/share-link';
 import { PresetsModal } from '@/components/modals/presets';
 import { ShortcutsModal } from '@/components/modals/shortcuts';
 import { SleepTimerModal } from '@/components/modals/sleep-timer';
-import {
-  Notepad,
-  Pomodoro,
-  CountdownTimer,
-  BreathingExercise,
-} from '@/components/toolbox';
+import { Notepad, Pomodoro, BreathingExercise } from '@/components/toolbox';
 import { fade, mix, slideY } from '@/lib/motion';
 import { useSoundStore } from '@/stores/sound';
 
@@ -43,7 +38,6 @@ export function Menu() {
   const initial = useMemo(
     () => ({
       breathingExercise: false,
-      countdownTimer: false,
       notepad: false,
       pomodoro: false,
       presets: false,
@@ -75,7 +69,6 @@ export function Menu() {
   useHotkeys('shift+m', () => setIsOpen(prev => !prev));
   useHotkeys('shift+n', () => open('notepad'));
   useHotkeys('shift+p', () => open('pomodoro'));
-  useHotkeys('shift+c', () => open('countdownTimer'));
   useHotkeys('shift+b', () => open('breathingExercise'));
   useHotkeys('shift+alt+p', () => open('presets'));
   useHotkeys('shift+h', () => open('shortcuts'));
@@ -124,7 +117,7 @@ export function Menu() {
                     />
                     <PomodoroItem open={() => open('pomodoro')} />
                     <NotepadItem open={() => open('notepad')} />
-                    <CountdownTimerItem open={() => open('countdownTimer')} />
+                    <CountdownTimerItem />
 
                     <Divider />
                     <ShortcutsItem open={() => open('shortcuts')} />
@@ -159,10 +152,6 @@ export function Menu() {
         show={modals.breathingExercise}
         onClose={() => close('breathingExercise')}
       />
-      <CountdownTimer
-        show={modals.countdownTimer}
-        onClose={() => close('countdownTimer')}
-      />
       <SleepTimerModal
         show={modals.sleepTimer}
         onClose={() => close('sleepTimer')}
diff --git a/src/components/modals/shortcuts/shortcuts.tsx b/src/components/modals/shortcuts/shortcuts.tsx
index aa8efde..d5733b7 100644
--- a/src/components/modals/shortcuts/shortcuts.tsx
+++ b/src/components/modals/shortcuts/shortcuts.tsx
@@ -33,10 +33,6 @@ export function ShortcutsModal({ onClose, show }: ShortcutsModalProps) {
       keys: ['Shift', 'B'],
       label: 'Breathing Exercise',
     },
-    {
-      keys: ['Shift', 'C'],
-      label: 'Countdown Timer',
-    },
     {
       keys: ['Shift', 'T'],
       label: 'Sleep Timer',
diff --git a/src/components/toolbox/countdown-timer/countdown-timer.module.css b/src/components/toolbox/countdown-timer/countdown-timer.module.css
deleted file mode 100644
index 8e73cc6..0000000
--- a/src/components/toolbox/countdown-timer/countdown-timer.module.css
+++ /dev/null
@@ -1,6 +0,0 @@
-.title {
-  margin-bottom: 16px;
-  font-family: var(--font-heading);
-  font-size: var(--font-md);
-  font-weight: 600;
-}
diff --git a/src/components/toolbox/countdown-timer/countdown-timer.tsx b/src/components/toolbox/countdown-timer/countdown-timer.tsx
deleted file mode 100644
index 30629ae..0000000
--- a/src/components/toolbox/countdown-timer/countdown-timer.tsx
+++ /dev/null
@@ -1,25 +0,0 @@
-import { useAutoAnimate } from '@formkit/auto-animate/react';
-
-import { Modal } from '@/components/modal';
-
-import { Form } from './form';
-import { Timers } from './timers';
-
-import styles from './countdown-timer.module.css';
-
-interface TimerProps {
-  onClose: () => void;
-  show: boolean;
-}
-
-export function CountdownTimer({ onClose, show }: TimerProps) {
-  const [containerRef, enableAnimations] = useAutoAnimate<HTMLDivElement>();
-
-  return (
-    <Modal persist show={show} onClose={onClose}>
-      <h2 className={styles.title}>Countdown Timer</h2>
-      <Form enableAnimations={enableAnimations} />
-      <Timers enableAnimations={enableAnimations} ref={containerRef} />
-    </Modal>
-  );
-}
diff --git a/src/components/toolbox/countdown-timer/form/field/field.module.css b/src/components/toolbox/countdown-timer/form/field/field.module.css
deleted file mode 100644
index 585811f..0000000
--- a/src/components/toolbox/countdown-timer/form/field/field.module.css
+++ /dev/null
@@ -1,27 +0,0 @@
-.field {
-  flex-grow: 1;
-
-  & .label {
-    display: block;
-    margin-bottom: 8px;
-    font-size: var(--font-sm);
-    font-weight: 500;
-
-    & .optional {
-      font-weight: 400;
-      color: var(--color-foreground-subtle);
-    }
-  }
-
-  & .input {
-    width: 100%;
-    min-width: 0;
-    height: 40px;
-    padding: 0 16px;
-    color: var(--color-foreground);
-    background-color: var(--color-neutral-50);
-    border: 1px solid var(--color-neutral-200);
-    border-radius: 4px;
-    outline: none;
-  }
-}
diff --git a/src/components/toolbox/countdown-timer/form/field/field.tsx b/src/components/toolbox/countdown-timer/form/field/field.tsx
deleted file mode 100644
index 6b057a8..0000000
--- a/src/components/toolbox/countdown-timer/form/field/field.tsx
+++ /dev/null
@@ -1,51 +0,0 @@
-import styles from './field.module.css';
-
-interface FieldProps {
-  children?: React.ReactNode;
-  label: string;
-  onChange: (value: string | number) => void;
-  optional?: boolean;
-  type: 'text' | 'select';
-  value: string | number;
-}
-
-export function Field({
-  children,
-  label,
-  onChange,
-  optional,
-  type,
-  value,
-}: FieldProps) {
-  return (
-    <div className={styles.field}>
-      <label className={styles.label} htmlFor={label.toLowerCase()}>
-        {label}{' '}
-        {optional && <span className={styles.optional}>(optional)</span>}
-      </label>
-
-      {type === 'text' && (
-        <input
-          autoComplete="off"
-          className={styles.input}
-          id={label.toLowerCase()}
-          type="text"
-          value={value}
-          onChange={e => onChange(e.target.value)}
-        />
-      )}
-
-      {type === 'select' && (
-        <select
-          autoComplete="off"
-          className={styles.input}
-          id={label.toLowerCase()}
-          value={value}
-          onChange={e => onChange(parseInt(e.target.value))}
-        >
-          {children}
-        </select>
-      )}
-    </div>
-  );
-}
diff --git a/src/components/toolbox/countdown-timer/form/field/index.ts b/src/components/toolbox/countdown-timer/form/field/index.ts
deleted file mode 100644
index 497b3a7..0000000
--- a/src/components/toolbox/countdown-timer/form/field/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { Field } from './field';
diff --git a/src/components/toolbox/countdown-timer/form/form.module.css b/src/components/toolbox/countdown-timer/form/form.module.css
deleted file mode 100644
index 8b1cf2b..0000000
--- a/src/components/toolbox/countdown-timer/form/form.module.css
+++ /dev/null
@@ -1,27 +0,0 @@
-.form {
-  display: flex;
-  flex-direction: column;
-  row-gap: 28px;
-
-  & .button {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    width: 100%;
-    height: 45px;
-    font-weight: 500;
-    color: var(--color-neutral-50);
-    cursor: pointer;
-    background-color: var(--color-neutral-950);
-    border: none;
-    border-radius: 4px;
-    outline: none;
-  }
-}
-
-.timeFields {
-  display: flex;
-  column-gap: 12px;
-  align-items: flex-end;
-  justify-content: space-between;
-}
diff --git a/src/components/toolbox/countdown-timer/form/form.tsx b/src/components/toolbox/countdown-timer/form/form.tsx
deleted file mode 100644
index 275c915..0000000
--- a/src/components/toolbox/countdown-timer/form/form.tsx
+++ /dev/null
@@ -1,112 +0,0 @@
-import { useState, useMemo } from 'react';
-
-import { Field } from './field';
-
-import { useCountdownTimers } from '@/stores/countdown-timers';
-import { waitUntil } from '@/helpers/wait';
-
-import styles from './form.module.css';
-
-interface FormProps {
-  enableAnimations: (enabled: boolean) => void;
-}
-
-export function Form({ enableAnimations }: FormProps) {
-  const [name, setName] = useState('');
-  const [hours, setHours] = useState(0);
-  const [minutes, setMinutes] = useState(10);
-  const [seconds, setSeconds] = useState(0);
-
-  const totalSeconds = useMemo(
-    () => hours * 60 * 60 + minutes * 60 + seconds,
-    [hours, minutes, seconds],
-  );
-
-  const add = useCountdownTimers(state => state.add);
-
-  const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
-    e.preventDefault();
-
-    if (totalSeconds === 0) return;
-
-    enableAnimations(false);
-
-    const id = add({
-      name,
-      total: totalSeconds,
-    });
-
-    setName('');
-
-    await waitUntil(() => !!document.getElementById(`timer-${id}`), 50);
-
-    document
-      .getElementById(`timer-${id}`)
-      ?.scrollIntoView({ behavior: 'smooth' });
-
-    enableAnimations(true);
-  };
-
-  return (
-    <form className={styles.form} onSubmit={handleSubmit}>
-      <Field
-        label="Timer Name"
-        optional
-        type="text"
-        value={name}
-        onChange={value => setName(value as string)}
-      />
-
-      <div className={styles.timeFields}>
-        <Field
-          label="Hours"
-          type="select"
-          value={hours}
-          onChange={value => setHours(value as number)}
-        >
-          {Array(13)
-            .fill(null)
-            .map((_, index) => (
-              <option key={`hour-${index}`} value={index}>
-                {index}
-              </option>
-            ))}
-        </Field>
-
-        <Field
-          label="Minutes"
-          type="select"
-          value={minutes}
-          onChange={value => setMinutes(value as number)}
-        >
-          {Array(60)
-            .fill(null)
-            .map((_, index) => (
-              <option key={`minutes-${index}`} value={index}>
-                {index}
-              </option>
-            ))}
-        </Field>
-
-        <Field
-          label="Seconds"
-          type="select"
-          value={seconds}
-          onChange={value => setSeconds(value as number)}
-        >
-          {Array(60)
-            .fill(null)
-            .map((_, index) => (
-              <option key={`seconds-${index}`} value={index}>
-                {index}
-              </option>
-            ))}
-        </Field>
-      </div>
-
-      <button className={styles.button} type="submit">
-        Add Timer
-      </button>
-    </form>
-  );
-}
diff --git a/src/components/toolbox/countdown-timer/form/index.ts b/src/components/toolbox/countdown-timer/form/index.ts
deleted file mode 100644
index 9398c9e..0000000
--- a/src/components/toolbox/countdown-timer/form/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { Form } from './form';
diff --git a/src/components/toolbox/countdown-timer/index.ts b/src/components/toolbox/countdown-timer/index.ts
deleted file mode 100644
index 104cbaf..0000000
--- a/src/components/toolbox/countdown-timer/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { CountdownTimer } from './countdown-timer';
diff --git a/src/components/toolbox/countdown-timer/timers/index.ts b/src/components/toolbox/countdown-timer/timers/index.ts
deleted file mode 100644
index 0f9e27a..0000000
--- a/src/components/toolbox/countdown-timer/timers/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { Timers } from './timers';
diff --git a/src/components/toolbox/countdown-timer/timers/notice/index.ts b/src/components/toolbox/countdown-timer/timers/notice/index.ts
deleted file mode 100644
index 64af78d..0000000
--- a/src/components/toolbox/countdown-timer/timers/notice/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { Notice } from './notice';
diff --git a/src/components/toolbox/countdown-timer/timers/notice/notice.module.css b/src/components/toolbox/countdown-timer/timers/notice/notice.module.css
deleted file mode 100644
index 0c82d8b..0000000
--- a/src/components/toolbox/countdown-timer/timers/notice/notice.module.css
+++ /dev/null
@@ -1,11 +0,0 @@
-.notice {
-  padding: 16px;
-  margin-top: 16px;
-  font-size: var(--font-sm);
-  line-height: 1.65;
-  color: var(--color-foreground-subtle);
-  text-align: center;
-  background-color: var(--color-neutral-50);
-  border: 1px dashed var(--color-neutral-300);
-  border-radius: 8px;
-}
diff --git a/src/components/toolbox/countdown-timer/timers/notice/notice.tsx b/src/components/toolbox/countdown-timer/timers/notice/notice.tsx
deleted file mode 100644
index 1f019cb..0000000
--- a/src/components/toolbox/countdown-timer/timers/notice/notice.tsx
+++ /dev/null
@@ -1,10 +0,0 @@
-import styles from './notice.module.css';
-
-export function Notice() {
-  return (
-    <p className={styles.notice}>
-      Please do not close your browser tab while timers are running, otherwise
-      all timers will be stopped.
-    </p>
-  );
-}
diff --git a/src/components/toolbox/countdown-timer/timers/timer/index.ts b/src/components/toolbox/countdown-timer/timers/timer/index.ts
deleted file mode 100644
index 91b3f08..0000000
--- a/src/components/toolbox/countdown-timer/timers/timer/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { Timer } from './timer';
diff --git a/src/components/toolbox/countdown-timer/timers/timer/timer.module.css b/src/components/toolbox/countdown-timer/timers/timer/timer.module.css
deleted file mode 100644
index 17345bc..0000000
--- a/src/components/toolbox/countdown-timer/timers/timer/timer.module.css
+++ /dev/null
@@ -1,127 +0,0 @@
-.timer {
-  position: relative;
-  padding: 8px;
-  overflow: hidden;
-  background-color: var(--color-neutral-100);
-  border: 1px solid var(--color-neutral-200);
-  border-radius: 8px;
-
-  &:not(:last-of-type) {
-    margin-bottom: 24px;
-  }
-
-  & .header {
-    position: relative;
-    top: -8px;
-    width: 100%;
-
-    & .bar {
-      height: 2px;
-      margin: 0 -8px;
-      background-color: var(--color-neutral-200);
-
-      & .completed {
-        height: 100%;
-        background-color: var(--color-neutral-500);
-        transition: 0.2s;
-      }
-    }
-  }
-
-  & .footer {
-    display: flex;
-    column-gap: 4px;
-    align-items: center;
-
-    & .control {
-      display: flex;
-      flex-grow: 1;
-      column-gap: 4px;
-      align-items: center;
-      height: 40px;
-      padding: 4px;
-      background-color: var(--color-neutral-50);
-      border: 1px solid var(--color-neutral-200);
-      border-radius: 4px;
-
-      & .input {
-        flex-grow: 1;
-        width: 100%;
-        min-width: 0;
-        height: 100%;
-        padding: 0 8px;
-        color: var(--color-foreground-subtle);
-        background-color: transparent;
-        border: none;
-        border-radius: 4px;
-        outline: none;
-
-        &.finished {
-          text-decoration: line-through;
-        }
-      }
-
-      & .button {
-        display: flex;
-        align-items: center;
-        justify-content: center;
-        height: 100%;
-        aspect-ratio: 1 / 1;
-        color: var(--color-foreground);
-        cursor: pointer;
-        background-color: var(--color-neutral-200);
-        border: 1px solid var(--color-neutral-300);
-        border-radius: 2px;
-        outline: none;
-        transition: 0.2s;
-
-        &.reset {
-          background-color: var(--color-neutral-100);
-          border: none;
-        }
-
-        &:disabled,
-        &.disabled {
-          cursor: not-allowed;
-          opacity: 0.6;
-        }
-      }
-    }
-
-    & .delete {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      width: 38px;
-      min-width: 38px;
-      height: 38px;
-      color: #f43f5e;
-      cursor: pointer;
-      background-color: rgb(244 63 94 / 10%);
-      border: none;
-      border-radius: 4px;
-      outline: none;
-      transition: 0.2s;
-
-      &.disabled {
-        cursor: not-allowed;
-        opacity: 0.6;
-      }
-    }
-  }
-
-  & .left {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    height: 120px;
-    font-family: var(--font-mono);
-    font-size: var(--font-2xlg);
-    font-weight: 700;
-    cursor: pointer;
-
-    & span {
-      color: var(--color-foreground-subtle);
-    }
-  }
-}
diff --git a/src/components/toolbox/countdown-timer/timers/timer/timer.tsx b/src/components/toolbox/countdown-timer/timers/timer/timer.tsx
deleted file mode 100644
index d3a3900..0000000
--- a/src/components/toolbox/countdown-timer/timers/timer/timer.tsx
+++ /dev/null
@@ -1,222 +0,0 @@
-import { useRef, useMemo, useState, useEffect } from 'react';
-import {
-  IoPlay,
-  IoPause,
-  IoRefresh,
-  IoTrashOutline,
-} from 'react-icons/io5/index';
-
-import { Toolbar } from './toolbar';
-
-import { useCountdownTimers } from '@/stores/countdown-timers';
-import { useAlarm } from '@/hooks/use-alarm';
-import { useSnackbar } from '@/contexts/snackbar';
-import { padNumber } from '@/helpers/number';
-import { cn } from '@/helpers/styles';
-
-import styles from './timer.module.css';
-
-interface TimerProps {
-  enableAnimations: (enabled: boolean) => void;
-  id: string;
-}
-
-export function Timer({ enableAnimations, id }: TimerProps) {
-  const intervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
-  const lastActiveTimeRef = useRef<number | null>(null);
-  const lastStateRef = useRef<{ spent: number; total: number } | null>(null);
-
-  const [isRunning, setIsRunning] = useState(false);
-
-  const { first, last, name, spent, total } = useCountdownTimers(state =>
-    state.getTimer(id),
-  );
-  const tick = useCountdownTimers(state => state.tick);
-  const rename = useCountdownTimers(state => state.rename);
-  const reset = useCountdownTimers(state => state.reset);
-  const deleteTimer = useCountdownTimers(state => state.delete);
-
-  const left = useMemo(() => total - spent, [total, spent]);
-
-  const hours = useMemo(() => Math.floor(left / 3600), [left]);
-  const minutes = useMemo(() => Math.floor((left % 3600) / 60), [left]);
-  const seconds = useMemo(() => left % 60, [left]);
-
-  const [isReversed, setIsReversed] = useState(false);
-
-  const spentHours = useMemo(() => Math.floor(spent / 3600), [spent]);
-  const spentMinutes = useMemo(() => Math.floor((spent % 3600) / 60), [spent]);
-  const spentSeconds = useMemo(() => spent % 60, [spent]);
-
-  const playAlarm = useAlarm();
-
-  const showSnackbar = useSnackbar();
-
-  const handleStart = () => {
-    if (left > 0) setIsRunning(true);
-  };
-
-  const handlePause = () => setIsRunning(false);
-
-  const handleToggle = () => {
-    if (isRunning) handlePause();
-    else handleStart();
-  };
-
-  const handleReset = () => {
-    if (spent === 0) return;
-
-    if (isRunning) return showSnackbar('Please first stop the timer.');
-
-    setIsRunning(false);
-    reset(id);
-  };
-
-  const handleDelete = () => {
-    if (isRunning) return showSnackbar('Please first stop the timer.');
-
-    enableAnimations(false);
-
-    deleteTimer(id);
-
-    setTimeout(() => enableAnimations(true), 100);
-  };
-
-  useEffect(() => {
-    if (isRunning) {
-      if (intervalRef.current) clearInterval(intervalRef.current);
-
-      intervalRef.current = setInterval(() => tick(id), 1000);
-    }
-
-    return () => {
-      if (intervalRef.current) clearInterval(intervalRef.current);
-    };
-  }, [isRunning, tick, id]);
-
-  useEffect(() => {
-    if (left === 0 && isRunning) {
-      setIsRunning(false);
-      playAlarm();
-
-      if (intervalRef.current) clearInterval(intervalRef.current);
-    }
-  }, [left, isRunning, playAlarm]);
-
-  useEffect(() => {
-    const handleBlur = () => {
-      if (isRunning) {
-        lastActiveTimeRef.current = Date.now();
-        lastStateRef.current = { spent, total };
-      }
-    };
-
-    const handleFocus = () => {
-      if (isRunning && lastActiveTimeRef.current && lastStateRef.current) {
-        const elapsed = Math.floor(
-          (Date.now() - lastActiveTimeRef.current) / 1000,
-        );
-        const previousLeft =
-          lastStateRef.current.total - lastStateRef.current.spent;
-        const currentLeft = left;
-        const correctedLeft = previousLeft - elapsed;
-
-        if (correctedLeft < currentLeft) {
-          tick(id, currentLeft - correctedLeft);
-        }
-
-        lastActiveTimeRef.current = null;
-        lastStateRef.current = null;
-      }
-    };
-
-    window.addEventListener('blur', handleBlur);
-    window.addEventListener('focus', handleFocus);
-
-    return () => {
-      window.removeEventListener('blur', handleBlur);
-      window.removeEventListener('focus', handleFocus);
-    };
-  }, [isRunning, tick, id, spent, total, left]);
-
-  return (
-    <div className={styles.timer} id={`timer-${id}`}>
-      <header className={styles.header}>
-        <div className={styles.bar}>
-          <div
-            className={styles.completed}
-            style={{ width: `${(left / total) * 100}%` }}
-          />
-        </div>
-      </header>
-
-      <Toolbar first={first} id={id} last={last} />
-
-      <div
-        className={styles.left}
-        tabIndex={0}
-        onClick={() => setIsReversed(prev => !prev)}
-        onKeyDown={() => setIsReversed(prev => !prev)}
-      >
-        {!isReversed ? (
-          <>
-            {padNumber(hours)}
-            <span>:</span>
-            {padNumber(minutes)}
-            <span>:</span>
-            {padNumber(seconds)}
-          </>
-        ) : (
-          <>
-            <span>-</span>
-            {padNumber(spentHours)}
-            <span>:</span>
-            {padNumber(spentMinutes)}
-            <span>:</span>
-            {padNumber(spentSeconds)}
-          </>
-        )}
-      </div>
-
-      <footer className={styles.footer}>
-        <div className={styles.control}>
-          <input
-            className={cn(styles.input, left === 0 && styles.finished)}
-            placeholder="Untitled"
-            type="text"
-            value={name}
-            onChange={e => rename(id, e.target.value)}
-          />
-
-          <button
-            aria-disabled={isRunning || spent === 0}
-            className={cn(
-              styles.button,
-              styles.reset,
-              (isRunning || spent === 0) && styles.disabled,
-            )}
-            onClick={handleReset}
-          >
-            <IoRefresh />
-          </button>
-
-          <button
-            className={styles.button}
-            disabled={!isRunning && left === 0}
-            onClick={handleToggle}
-          >
-            {isRunning ? <IoPause /> : <IoPlay />}
-          </button>
-        </div>
-
-        <button
-          aria-disabled={isRunning}
-          className={cn(styles.delete, isRunning && styles.disabled)}
-          onClick={handleDelete}
-        >
-          <IoTrashOutline />
-        </button>
-      </footer>
-    </div>
-  );
-}
diff --git a/src/components/toolbox/countdown-timer/timers/timer/toolbar/index.ts b/src/components/toolbox/countdown-timer/timers/timer/toolbar/index.ts
deleted file mode 100644
index dc5abb1..0000000
--- a/src/components/toolbox/countdown-timer/timers/timer/toolbar/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { Toolbar } from './toolbar';
diff --git a/src/components/toolbox/countdown-timer/timers/timer/toolbar/toolbar.module.css b/src/components/toolbox/countdown-timer/timers/timer/toolbar/toolbar.module.css
deleted file mode 100644
index 473234c..0000000
--- a/src/components/toolbox/countdown-timer/timers/timer/toolbar/toolbar.module.css
+++ /dev/null
@@ -1,37 +0,0 @@
-.toolbar {
-  position: absolute;
-  top: 12px;
-  right: 12px;
-  display: flex;
-  column-gap: 4px;
-  align-items: center;
-  height: 30px;
-  padding: 4px;
-  background-color: var(--color-neutral-50);
-  border: 1px solid var(--color-neutral-200);
-  border-radius: 4px;
-
-  & button {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    height: 100%;
-    aspect-ratio: 1 / 1;
-    font-size: var(--font-xsm);
-    color: var(--color-foreground-subtle);
-    cursor: pointer;
-    background-color: transparent;
-    border: none;
-    transition: 0.2s;
-
-    &:disabled {
-      cursor: not-allowed;
-      opacity: 0.2;
-    }
-
-    &:not(:disabled):hover {
-      color: var(--color-foreground);
-      background-color: var(--color-neutral-100);
-    }
-  }
-}
diff --git a/src/components/toolbox/countdown-timer/timers/timer/toolbar/toolbar.tsx b/src/components/toolbox/countdown-timer/timers/timer/toolbar/toolbar.tsx
deleted file mode 100644
index aec9535..0000000
--- a/src/components/toolbox/countdown-timer/timers/timer/toolbar/toolbar.tsx
+++ /dev/null
@@ -1,39 +0,0 @@
-import { IoIosArrowDown, IoIosArrowUp } from 'react-icons/io/index';
-
-import { useCountdownTimers } from '@/stores/countdown-timers';
-
-import styles from './toolbar.module.css';
-
-interface ToolbarProps {
-  first: boolean;
-  id: string;
-  last: boolean;
-}
-
-export function Toolbar({ first, id, last }: ToolbarProps) {
-  const moveUp = useCountdownTimers(state => state.moveUp);
-  const moveDown = useCountdownTimers(state => state.moveDown);
-
-  return (
-    <div className={styles.toolbar}>
-      <button
-        disabled={first}
-        onClick={e => {
-          e.stopPropagation();
-          moveUp(id);
-        }}
-      >
-        <IoIosArrowUp />
-      </button>
-      <button
-        disabled={last}
-        onClick={e => {
-          e.stopPropagation();
-          moveDown(id);
-        }}
-      >
-        <IoIosArrowDown />
-      </button>
-    </div>
-  );
-}
diff --git a/src/components/toolbox/countdown-timer/timers/timers.module.css b/src/components/toolbox/countdown-timer/timers/timers.module.css
deleted file mode 100644
index 03a3c05..0000000
--- a/src/components/toolbox/countdown-timer/timers/timers.module.css
+++ /dev/null
@@ -1,28 +0,0 @@
-.timers {
-  margin-top: 48px;
-
-  & > header {
-    display: flex;
-    column-gap: 12px;
-    align-items: center;
-    margin-bottom: 16px;
-
-    & .title {
-      font-family: var(--font-heading);
-      font-size: var(--font-md);
-      font-weight: 600;
-      line-height: 1;
-    }
-
-    & .line {
-      flex-grow: 1;
-      height: 0;
-      border-top: 1px dashed var(--color-neutral-200);
-    }
-
-    & .spent {
-      font-size: var(--font-sm);
-      color: var(--color-foreground-subtle);
-    }
-  }
-}
diff --git a/src/components/toolbox/countdown-timer/timers/timers.tsx b/src/components/toolbox/countdown-timer/timers/timers.tsx
deleted file mode 100644
index 52abbc9..0000000
--- a/src/components/toolbox/countdown-timer/timers/timers.tsx
+++ /dev/null
@@ -1,55 +0,0 @@
-import { useMemo, forwardRef } from 'react';
-
-import { Timer } from './timer';
-import { Notice } from './notice';
-
-import { useCountdownTimers } from '@/stores/countdown-timers';
-
-import styles from './timers.module.css';
-
-interface TimersProps {
-  enableAnimations: (enabled: boolean) => void;
-}
-
-export const Timers = forwardRef(function Timers(
-  { enableAnimations }: TimersProps,
-  ref: React.ForwardedRef<HTMLDivElement>,
-) {
-  const timers = useCountdownTimers(state => state.timers);
-  const spent = useCountdownTimers(state => state.spent());
-  const total = useCountdownTimers(state => state.total());
-
-  const spentMinutes = useMemo(() => Math.floor(spent / 60), [spent]);
-  const totalMinutes = useMemo(() => Math.floor(total / 60), [total]);
-
-  return (
-    <div>
-      {timers.length > 0 ? (
-        <div className={styles.timers}>
-          <header>
-            <h2 className={styles.title}>Timers</h2>
-            <div className={styles.line} />
-            {totalMinutes > 0 && (
-              <p className={styles.spent}>
-                {spentMinutes} / {totalMinutes} Minute
-                {totalMinutes !== 1 && 's'}
-              </p>
-            )}
-          </header>
-
-          <div ref={ref}>
-            {timers.map(timer => (
-              <Timer
-                enableAnimations={enableAnimations}
-                id={timer.id}
-                key={timer.id}
-              />
-            ))}
-          </div>
-
-          <Notice />
-        </div>
-      ) : null}
-    </div>
-  );
-});
diff --git a/src/components/toolbox/index.ts b/src/components/toolbox/index.ts
index f8725ad..5eb0811 100644
--- a/src/components/toolbox/index.ts
+++ b/src/components/toolbox/index.ts
@@ -1,4 +1,3 @@
 export { Notepad } from './notepad';
 export { Pomodoro } from './pomodoro';
-export { CountdownTimer } from './countdown-timer';
 export { BreathingExercise } from './breathing';
diff --git a/src/hooks/use-alarm.ts b/src/hooks/use-alarm.ts
deleted file mode 100644
index b2c8f35..0000000
--- a/src/hooks/use-alarm.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { useCallback } from 'react';
-
-import { useSound } from './use-sound';
-import { useAlarmStore } from '@/stores/alarm';
-
-export function useAlarm() {
-  const { play: playSound } = useSound(
-    '/sounds/alarm.mp3',
-    { volume: 1 },
-    true,
-  );
-  const isPlaying = useAlarmStore(state => state.isPlaying);
-  const play = useAlarmStore(state => state.play);
-  const stop = useAlarmStore(state => state.stop);
-
-  const playAlarm = useCallback(() => {
-    if (!isPlaying) {
-      playSound(stop);
-      play();
-    }
-  }, [isPlaying, playSound, play, stop]);
-
-  return playAlarm;
-}
diff --git a/src/stores/alarm/index.ts b/src/stores/alarm/index.ts
deleted file mode 100644
index 2c981d1..0000000
--- a/src/stores/alarm/index.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { create } from 'zustand';
-
-interface AlarmStore {
-  isPlaying: boolean;
-  play: () => void;
-  stop: () => void;
-}
-
-export const useAlarmStore = create<AlarmStore>()(set => ({
-  isPlaying: false,
-
-  play() {
-    set({ isPlaying: true });
-  },
-
-  stop() {
-    set({ isPlaying: false });
-  },
-}));