diff --git a/migrations/versions/91d259147305_event_user.py b/migrations/versions/91d259147305_event_user.py
new file mode 100644
index 00000000..baba65a6
--- /dev/null
+++ b/migrations/versions/91d259147305_event_user.py
@@ -0,0 +1,37 @@
+"""event_user
+
+Revision ID: 91d259147305
+Revises: 55a049fde8f4
+Create Date: 2026-04-27 16:12:08.759035
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = '91d259147305'
+down_revision = '55a049fde8f4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('event_user',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('event_id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('status', sa.Enum('NO_STATUS', 'GOING', 'NOT_GOING', 'ATTENDED', name='eventuserstatus', native_enum=False), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), nullable=False),
+    sa.Column('is_deleted', sa.Boolean(), nullable=False),
+    sa.ForeignKeyConstraint(['event_id'], ['event.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('event_user')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/b060027b11b3_eventuser_building.py b/migrations/versions/b060027b11b3_eventuser_building.py
deleted file mode 100644
index f013c1f3..00000000
--- a/migrations/versions/b060027b11b3_eventuser_building.py
+++ /dev/null
@@ -1,50 +0,0 @@
-"""EventUser building
-
-Revision ID: b060027b11b3
-Revises: 55a049fde8f4
-Create Date: 2026-04-20 17:56:39.185374
-
-"""
-
-import sqlalchemy as sa
-from alembic import op
-
-
-# revision identifiers, used by Alembic.
-revision = 'b060027b11b3'
-down_revision = '55a049fde8f4'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table(
-        'event_user',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('event_id', sa.Integer(), nullable=False),
-        sa.Column('user_id', sa.Integer(), nullable=False),
-        sa.Column(
-            'status',
-            sa.Enum('NO_STATUS', 'GOING', 'NOT_GOING', 'ATTENDED', name='eventuserstatus', native_enum=False),
-            nullable=False,
-        ),
-        sa.Column('updated_at', sa.DateTime(), nullable=False),
-        sa.Column('is_deleted', sa.Boolean(), nullable=False),
-        sa.ForeignKeyConstraint(
-            ['event_id'],
-            ['event.id'],
-        ),
-        sa.PrimaryKeyConstraint('id'),
-    )
-    op.drop_constraint(op.f('lesson_group_id_fkey'), 'event', type_='foreignkey')
-    op.drop_column('event', 'group_id')
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('event', sa.Column('group_id', sa.INTEGER(), autoincrement=False, nullable=True))
-    op.create_foreign_key(op.f('lesson_group_id_fkey'), 'event', 'group', ['group_id'], ['id'])
-    op.drop_table('event_user')
-    # ### end Alembic commands ###