diff --git a/none/plugins/schedule.py b/none/plugins/schedule.py
deleted file mode 100644
index 9d6edd13..00000000
--- a/none/plugins/schedule.py
+++ /dev/null
@@ -1,151 +0,0 @@
-import atexit
-import re
-import shlex
-from typing import Iterable, Tuple, Dict, Any
-
-from apscheduler.jobstores.base import ConflictingIdError
-from apscheduler.jobstores.sqlalchemy import SQLAlchemyJobStore
-from apscheduler.schedulers.asyncio import AsyncIOScheduler
-
-from none import get_bot, CommandGroup, CommandSession, permission as perm
-from none.argparse import ArgumentParser, ParserExit
-from none.command import parse_command, call_command
-from none.helpers import context_id, send
-
-sched = CommandGroup('schedule', permission=perm.PRIVATE | perm.GROUP_ADMIN,
-                     only_to_me=False)
-
-_bot = get_bot()
-
-_scheduler = AsyncIOScheduler(
-    jobstores={
-        'default': SQLAlchemyJobStore(
-            url='sqlite:///' + _bot.get_data_file('db', 'schedule.sqlite'))
-    },
-    timezone='Asia/Shanghai'
-)
-
-if not _scheduler.running:
-    _scheduler.start()
-
-
-@atexit.register
-def _():
-    if _scheduler.running:
-        _scheduler.shutdown()
-
-
-async def _schedule_callback(ctx: Dict[str, Any], name: str,
-                             commands: Iterable[Tuple[Tuple[str], str]],
-                             verbose: bool = False):
-    if verbose:
-        await send(_bot, ctx, f'开始执行计划任务 {name}……')
-    for cmd_name, current_arg in commands:
-        await call_command(_bot, ctx, cmd_name,
-                           current_arg=current_arg,
-                           check_perm=True,
-                           disable_interaction=True)
-
-
-@sched.command('add', aliases=('schedule',))
-async def sched_add(session: CommandSession):
-    parser = ArgumentParser('schedule.add')
-    parser.add_argument('-S', '--second')
-    parser.add_argument('-M', '--minute')
-    parser.add_argument('-H', '--hour')
-    parser.add_argument('-d', '--day')
-    parser.add_argument('-m', '--month')
-    parser.add_argument('-w', '--day-of-week')
-    parser.add_argument('-f', '--force', action='store_true', default=False)
-    parser.add_argument('-v', '--verbose', action='store_true', default=False)
-    parser.add_argument('--name', required=True)
-    parser.add_argument('commands', nargs='+')
-
-    argv = session.get_optional('argv')
-    if not argv:
-        await session.send(_sched_add_help)
-        return
-
-    try:
-        args = parser.parse_args(argv)
-    except ParserExit as e:
-        if e.status == 0:
-            # --help
-            await session.send(_sched_add_help)
-        else:
-            await session.send('参数不足或不正确，请使用 --help 参数查询使用帮助')
-        return
-
-    if not re.match(r'[_a-zA-Z][_\w]*', args.name):
-        await session.send(
-            '计划任务名必须仅包含字母、数字、下划线，且以字母或下划线开头')
-        return
-
-    parsed_commands = []
-    invalid_commands = []
-    for cmd_str in args.commands:
-        cmd, current_arg = parse_command(session.bot, cmd_str)
-        if cmd:
-            tmp_session = CommandSession(session.bot, session.ctx, cmd,
-                                         current_arg=current_arg)
-            if await cmd.run(tmp_session, dry=True):
-                parsed_commands.append((cmd.name, current_arg))
-            else:
-                invalid_commands.append(cmd_str)
-    if invalid_commands:
-        invalid_commands_joined = '\r\n'.join(
-            [f'{i+1}: {c}' for i, c in enumerate(invalid_commands)])
-        await session.send(f'计划任务添加失败，'
-                           f'因为下面的 {len(invalid_commands)} 个命令无法被运行'
-                           f'（命令不存在或权限不够）：\r\n\r\n'
-                           f'{invalid_commands_joined}')
-        return
-
-    job_id = f'{context_id(session.ctx)}/job/{args.name}'
-    trigger_args = {k: v for k, v in args.__dict__.items()
-                    if k in {'second', 'minute', 'hour',
-                             'day', 'month', 'day_of_week'}}
-    try:
-        job = _scheduler.add_job(
-            _schedule_callback,
-            trigger='cron', **trigger_args,
-            id=job_id,
-            kwargs={
-                'ctx': session.ctx,
-                'name': args.name,
-                'commands': parsed_commands,
-                'verbose': args.verbose,
-            },
-            replace_existing=args.force,
-            misfire_grace_time=30
-        )
-    except ConflictingIdError:
-        # a job with same name exists
-        await session.send(f'计划任务 {args.name} 已存在，'
-                           f'若要覆盖请使用 --force 参数')
-        return
-
-    await session.send(f'计划任务 {args.name} 添加成功，下次运行时间：'
-                       f'{job.next_run_time.strftime("%Y-%m-%d %H:%M:%S")}')
-
-
-@sched.command('list')
-async def sched_list(session: CommandSession):
-    pass
-
-
-@sched.command('remove')
-async def sched_remove(session: CommandSession):
-    pass
-
-
-@sched_add.args_parser
-@sched_list.args_parser
-@sched_remove.args_parser
-async def _(session: CommandSession):
-    session.args['argv'] = shlex.split(session.current_arg_text)
-
-
-_sched_add_help = r"""
-使用方法：schedule.add
-""".strip()
diff --git a/setup.py b/setup.py
index 801a6157..edf25ab2 100644
--- a/setup.py
+++ b/setup.py
@@ -14,8 +14,7 @@ setup(
     description='A QQ bot framework',
     long_description=long_description,
     long_description_content_type="text/markdown",
-    install_requires=['aiocqhttp>=0.5', 'aiocache',
-                      'apscheduler', 'sqlalchemy'],
+    install_requires=['aiocqhttp>=0.5', 'aiocache'],
     python_requires='>=3.6',
     platforms='any',
     classifiers=(