diff --git a/app/models.py b/app/models.py
index b2d2e20d..f03cd6fd 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1189,8 +1189,6 @@ class ClientUser(db.Model, ModelMixin):
         db.String(128), nullable=True, default=None, server_default=text("NULL")
     )
 
-    nonce = db.Column(db.Text, nullable=True, default=None, server_default=text("NULL"))
-
     # user can decide to send to client a default avatar
     default_avatar = db.Column(
         db.Boolean, nullable=False, default=False, server_default="0"
diff --git a/migrations/versions/2021_040112_4912f3bd5ba2_.py b/migrations/versions/2021_040112_4912f3bd5ba2_.py
new file mode 100644
index 00000000..592d82c5
--- /dev/null
+++ b/migrations/versions/2021_040112_4912f3bd5ba2_.py
@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: 4912f3bd5ba2
+Revises: e11c3dd48a6f
+Create Date: 2021-04-01 12:48:00.674978
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '4912f3bd5ba2'
+down_revision = 'e11c3dd48a6f'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('client_user', 'nonce')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('client_user', sa.Column('nonce', sa.TEXT(), autoincrement=False, nullable=True))
+    # ### end Alembic commands ###