diff --git a/backend/alembic/versions/1ed7baeaf282_add_slug_to_newsletter.py b/backend/alembic/versions/1ed7baeaf282_add_slug_to_newsletter.py
index 1160783..2e25ee1 100644
--- a/backend/alembic/versions/1ed7baeaf282_add_slug_to_newsletter.py
+++ b/backend/alembic/versions/1ed7baeaf282_add_slug_to_newsletter.py
@@ -21,67 +21,14 @@ depends_on: Union[str, Sequence[str], None] = None
 def upgrade() -> None:
     """Upgrade schema."""
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_index(op.f('ix_senders_email'), table_name='senders')
-    op.drop_index(op.f('ix_senders_id'), table_name='senders')
-    op.drop_table('senders')
-    op.drop_index(op.f('ix_newsletters_id'), table_name='newsletters')
-    op.drop_table('newsletters')
-    op.drop_index(op.f('ix_settings_id'), table_name='settings')
-    op.drop_index(op.f('ix_settings_imap_server'), table_name='settings')
-    op.drop_table('settings')
-    op.drop_index(op.f('ix_entries_id'), table_name='entries')
-    op.drop_index(op.f('ix_entries_message_id'), table_name='entries')
-    op.drop_table('entries')
+    op.add_column('newsletters', sa.Column('slug', sa.String(), nullable=True))
+    op.create_index(op.f('ix_newsletters_slug'), 'newsletters', ['slug'], unique=True)
     # ### end Alembic commands ###
 
 
 def downgrade() -> None:
     """Downgrade schema."""
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('entries',
-    sa.Column('id', sa.VARCHAR(), nullable=False),
-    sa.Column('newsletter_id', sa.VARCHAR(), nullable=True),
-    sa.Column('subject', sa.VARCHAR(), nullable=True),
-    sa.Column('body', sa.TEXT(), nullable=True),
-    sa.Column('received_at', sa.DATETIME(), nullable=True),
-    sa.Column('message_id', sa.VARCHAR(), nullable=False),
-    sa.ForeignKeyConstraint(['newsletter_id'], ['newsletters.id'], ),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_entries_message_id'), 'entries', ['message_id'], unique=1)
-    op.create_index(op.f('ix_entries_id'), 'entries', ['id'], unique=False)
-    op.create_table('settings',
-    sa.Column('id', sa.INTEGER(), nullable=False),
-    sa.Column('imap_server', sa.VARCHAR(), nullable=True),
-    sa.Column('imap_username', sa.VARCHAR(), nullable=True),
-    sa.Column('imap_password', sa.VARCHAR(), nullable=True),
-    sa.Column('search_folder', sa.VARCHAR(), nullable=True),
-    sa.Column('move_to_folder', sa.VARCHAR(), nullable=True),
-    sa.Column('mark_as_read', sa.BOOLEAN(), nullable=True),
-    sa.Column('email_check_interval', sa.INTEGER(), nullable=True),
-    sa.Column('auto_add_new_senders', sa.BOOLEAN(), nullable=True),
-    sa.Column('auth_username', sa.VARCHAR(), nullable=True),
-    sa.Column('auth_password_hash', sa.VARCHAR(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_settings_imap_server'), 'settings', ['imap_server'], unique=False)
-    op.create_index(op.f('ix_settings_id'), 'settings', ['id'], unique=False)
-    op.create_table('newsletters',
-    sa.Column('id', sa.VARCHAR(), nullable=False),
-    sa.Column('name', sa.VARCHAR(), nullable=True),
-    sa.Column('move_to_folder', sa.VARCHAR(), nullable=True),
-    sa.Column('is_active', sa.BOOLEAN(), nullable=True),
-    sa.Column('extract_content', sa.BOOLEAN(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_newsletters_id'), 'newsletters', ['id'], unique=False)
-    op.create_table('senders',
-    sa.Column('id', sa.VARCHAR(), nullable=False),
-    sa.Column('email', sa.VARCHAR(), nullable=False),
-    sa.Column('newsletter_id', sa.VARCHAR(), nullable=False),
-    sa.ForeignKeyConstraint(['newsletter_id'], ['newsletters.id'], ),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_senders_id'), 'senders', ['id'], unique=False)
-    op.create_index(op.f('ix_senders_email'), 'senders', ['email'], unique=1)
-    # ### end Alembic commands ###
+    op.drop_index(op.f('ix_newsletters_slug'), table_name='newsletters')
+    op.drop_column('newsletters', 'slug')
+    # ### end Alembic commands ###
\ No newline at end of file