diff --git a/alembic.ini b/alembic.ini
deleted file mode 100644
index 802eab1..0000000
--- a/alembic.ini
+++ /dev/null
@@ -1,105 +0,0 @@
-# A generic, single database configuration.
-
-[alembic]
-# path to migration scripts
-script_location = migrations
-
-# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
-# Uncomment the line below if you want the files to be prepended with date and time
-# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
-# for all available tokens
-# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
-
-# sys.path path, will be prepended to sys.path if present.
-# defaults to the current working directory.
-prepend_sys_path = .
-
-# timezone to use when rendering the date within the migration file
-# as well as the filename.
-# If specified, requires the python-dateutil library that can be
-# installed by adding `alembic[tz]` to the pip requirements
-# string value is passed to dateutil.tz.gettz()
-# leave blank for localtime
-# timezone =
-
-# max length of characters to apply to the
-# "slug" field
-# truncate_slug_length = 40
-
-# set to 'true' to run the environment during
-# the 'revision' command, regardless of autogenerate
-# revision_environment = false
-
-# set to 'true' to allow .pyc and .pyo files without
-# a source .py file to be detected as revisions in the
-# versions/ directory
-# sourceless = false
-
-# version location specification; This defaults
-# to migrations/versions.  When using multiple version
-# directories, initial revisions must be specified with --version-path.
-# The path separator used here should be the separator specified by "version_path_separator" below.
-# version_locations = %(here)s/bar:%(here)s/bat:migrations/versions
-
-# version path separator; As mentioned above, this is the character used to split
-# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
-# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
-# Valid values for version_path_separator are:
-#
-# version_path_separator = :
-# version_path_separator = ;
-# version_path_separator = space
-version_path_separator = os  # Use os.pathsep. Default configuration used for new projects.
-
-# the output encoding used when revision files
-# are written from script.py.mako
-# output_encoding = utf-8
-
-#sqlalchemy.url = driver://user:pass@localhost/dbname
-
-
-[post_write_hooks]
-# post_write_hooks defines scripts or Python functions that are run
-# on newly generated revision scripts.  See the documentation for further
-# detail and examples
-
-# format using "black" - use the console_scripts runner, against the "black" entrypoint
-# hooks = black
-# black.type = console_scripts
-# black.entrypoint = black
-# black.options = -l 79 REVISION_SCRIPT_FILENAME
-
-# Logging configuration
-[loggers]
-keys = root,sqlalchemy,alembic
-
-[handlers]
-keys = console
-
-[formatters]
-keys = generic
-
-[logger_root]
-level = WARN
-handlers = console
-qualname =
-
-[logger_sqlalchemy]
-level = WARN
-handlers =
-qualname = sqlalchemy.engine
-
-[logger_alembic]
-level = INFO
-handlers =
-qualname = alembic
-
-[handler_console]
-class = StreamHandler
-args = (sys.stderr,)
-level = NOTSET
-formatter = generic
-
-[formatter_generic]
-format = %(levelname)-5.5s [%(name)s] %(message)s
-datefmt = %H:%M:%S
diff --git a/migrations/README b/migrations/README
deleted file mode 100644
index 98e4f9c..0000000
--- a/migrations/README
+++ /dev/null
@@ -1 +0,0 @@
-Generic single-database configuration.
\ No newline at end of file
diff --git a/migrations/env.py b/migrations/env.py
deleted file mode 100644
index b4f159f..0000000
--- a/migrations/env.py
+++ /dev/null
@@ -1,71 +0,0 @@
-from logging.config import fileConfig
-from sqlalchemy import create_engine
-from alembic import context
-
-# this is the Alembic Config object, which provides
-# access to the values within the .ini file in use.
-config = context.config
-
-# Interpret the config file for Python logging.
-# This line sets up loggers basically.
-if config.config_file_name is not None:
-    fileConfig(config.config_file_name)
-
-# add your model's MetaData object here
-# for 'autogenerate' support
-# from myapp import mymodel
-# target_metadata = mymodel.Base.metadata
-from database import Base
-target_metadata = Base.metadata
-
-# other values from the config, defined by the needs of env.py,
-# can be acquired:
-# my_important_option = config.get_main_option("my_important_option")
-# ... etc.
-import settings
-
-def run_migrations_offline() -> None:
-    """Run migrations in 'offline' mode.
-
-    This configures the context with just a URL
-    and not an Engine, though an Engine is acceptable
-    here as well.  By skipping the Engine creation
-    we don't even need a DBAPI to be available.
-
-    Calls to context.execute() here emit the given string to the
-    script output.
-
-    """
-    context.configure(
-        url=f"sqlite:///{settings.DATABASE_FILE}",
-        target_metadata=target_metadata,
-        literal_binds=True,
-        dialect_opts={"paramstyle": "named"},
-    )
-
-    with context.begin_transaction():
-        context.run_migrations()
-
-
-def run_migrations_online() -> None:
-    """Run migrations in 'online' mode.
-
-    In this scenario we need to create an Engine
-    and associate a connection with the context.
-
-    """
-    connectable = create_engine(f"sqlite:///{settings.DATABASE_FILE}")
-
-    with connectable.connect() as connection:
-        context.configure(
-            connection=connection, target_metadata=target_metadata
-        )
-
-        with context.begin_transaction():
-            context.run_migrations()
-
-
-if context.is_offline_mode():
-    run_migrations_offline()
-else:
-    run_migrations_online()
diff --git a/migrations/script.py.mako b/migrations/script.py.mako
deleted file mode 100644
index 55df286..0000000
--- a/migrations/script.py.mako
+++ /dev/null
@@ -1,24 +0,0 @@
-"""${message}
-
-Revision ID: ${up_revision}
-Revises: ${down_revision | comma,n}
-Create Date: ${create_date}
-
-"""
-from alembic import op
-import sqlalchemy as sa
-${imports if imports else ""}
-
-# revision identifiers, used by Alembic.
-revision = ${repr(up_revision)}
-down_revision = ${repr(down_revision)}
-branch_labels = ${repr(branch_labels)}
-depends_on = ${repr(depends_on)}
-
-
-def upgrade() -> None:
-    ${upgrades if upgrades else "pass"}
-
-
-def downgrade() -> None:
-    ${downgrades if downgrades else "pass"}
diff --git a/migrations/versions/5a7ea072b184_init.py b/migrations/versions/5a7ea072b184_init.py
deleted file mode 100644
index 73a5069..0000000
--- a/migrations/versions/5a7ea072b184_init.py
+++ /dev/null
@@ -1,51 +0,0 @@
-"""init
-
-Revision ID: 5a7ea072b184
-Revises: 
-Create Date: 2022-12-13 20:21:25.645856
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-import settings
-
-# revision identifiers, used by Alembic.
-revision = '5a7ea072b184'
-down_revision = None
-branch_labels = None
-depends_on = None
-
-engine = sa.create_engine(f"sqlite:///{settings.DATABASE_FILE}")
-
-def upgrade() -> None:
-    if sa.inspect(engine).has_table("codes"):
-        return
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('codes',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('code', sa.String(length=10), nullable=True),
-    sa.Column('key', sa.String(length=30), nullable=True),
-    sa.Column('name', sa.String(length=500), nullable=True),
-    sa.Column('size', sa.Integer(), nullable=True),
-    sa.Column('type', sa.String(length=20), nullable=True),
-    sa.Column('text', sa.String(length=500), nullable=True),
-    sa.Column('used', sa.Boolean(), nullable=True),
-    sa.Column('count', sa.Integer(), nullable=True),
-    sa.Column('use_time', sa.DateTime(), nullable=True),
-    sa.Column('exp_time', sa.DateTime(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_codes_code'), 'codes', ['code'], unique=True)
-    op.create_index(op.f('ix_codes_id'), 'codes', ['id'], unique=False)
-    op.create_index(op.f('ix_codes_key'), 'codes', ['key'], unique=True)
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_index(op.f('ix_codes_key'), table_name='codes')
-    op.drop_index(op.f('ix_codes_id'), table_name='codes')
-    op.drop_index(op.f('ix_codes_code'), table_name='codes')
-    op.drop_table('codes')
-    # ### end Alembic commands ###
diff --git a/requirements.txt b/requirements.txt
index 77f48e3..1f117ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 fastapi==0.88.0
 aiosqlite==0.17.0
-alembic==1.8.1
 SQLAlchemy==1.4.44
 python-multipart==0.0.5
 uvicorn==0.15.0