diff --git a/alembic/versions/b2c6d1170383_add_client_id_to_tooldbmodel.py b/alembic/versions/b2c6d1170383_add_client_id_to_tooldbmodel.py
index ed76bb1..555ebf9 100644
--- a/alembic/versions/b2c6d1170383_add_client_id_to_tooldbmodel.py
+++ b/alembic/versions/b2c6d1170383_add_client_id_to_tooldbmodel.py
@@ -11,7 +11,6 @@
 import sqlalchemy as sa
 import sqlmodel
 from alembic import op
-from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
 revision: str = "b2c6d1170383"
@@ -22,45 +21,9 @@
 
 def upgrade() -> None:
     """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.alter_column(
-        "finegrainedauthorisationdbmodel",
-        "role",
-        existing_type=postgresql.ENUM(
-            "CONTRIBUTOR", "EDITOR", "PROVIDER_ADMIN", "ADMIN", "CONTRIBUTOR_PENDING", name="role"
-        ),
-        type_=sa.Enum(
-            "CONTRIBUTOR",
-            "EDITOR",
-            "PROVIDER_ADMIN",
-            "ADMIN",
-            "SUPER_ADMIN",
-            "CONTRIBUTOR_PENDING",
-            name="finegrainedauthorisationrole",
-        ),
-        existing_nullable=False,
-    )
-    op.add_column("tooldbmodel", sa.Column("client_id", sqlmodel.sql.sqltypes.AutoString(), nullable=False))
-    # ### end Alembic commands ###
+    op.add_column("tooldbmodel", sa.Column("client_id", sqlmodel.sql.sqltypes.AutoString(), nullable=True))
 
 
 def downgrade() -> None:
     """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
     op.drop_column("tooldbmodel", "client_id")
-    op.alter_column(
-        "finegrainedauthorisationdbmodel",
-        "role",
-        existing_type=sa.Enum(
-            "CONTRIBUTOR",
-            "EDITOR",
-            "PROVIDER_ADMIN",
-            "ADMIN",
-            "SUPER_ADMIN",
-            "CONTRIBUTOR_PENDING",
-            name="finegrainedauthorisationrole",
-        ),
-        type_=postgresql.ENUM("CONTRIBUTOR", "EDITOR", "PROVIDER_ADMIN", "ADMIN", "CONTRIBUTOR_PENDING", name="role"),
-        existing_nullable=False,
-    )
-    # ### end Alembic commands ###