diff --git a/app/models.py b/app/models.py
index 0e649eb0..38f67f19 100644
--- a/app/models.py
+++ b/app/models.py
@@ -634,7 +634,7 @@ class User(UserMixin, db.Model):
     verification_token = db.Column(db.String(16), index=True)
     banned = db.Column(db.Boolean, default=False)
     deleted = db.Column(db.Boolean, default=False)
-    deleted_by = db.Column(db.Integer, db.ForeignKey('user.id'), index=True)
+    deleted_by = db.Column(db.Integer, index=True)
     about = db.Column(db.Text)      # markdown
     about_html = db.Column(db.Text) # html
     keywords = db.Column(db.String(256))
@@ -1078,7 +1078,7 @@ class Post(db.Model):
     microblog = db.Column(db.Boolean, default=False)
     comments_enabled = db.Column(db.Boolean, default=True)
     deleted = db.Column(db.Boolean, default=False, index=True)
-    deleted_by = db.Column(db.Integer, db.ForeignKey('user.id'), index=True)
+    deleted_by = db.Column(db.Integer, index=True)
     mea_culpa = db.Column(db.Boolean, default=False)
     has_embed = db.Column(db.Boolean, default=False)
     reply_count = db.Column(db.Integer, default=0)
@@ -1354,7 +1354,7 @@ class PostReply(db.Model):
     created_at = db.Column(db.DateTime, index=True, default=utcnow)
     posted_at = db.Column(db.DateTime, index=True, default=utcnow)
     deleted = db.Column(db.Boolean, default=False, index=True)
-    deleted_by = db.Column(db.Integer, db.ForeignKey('user.id'), index=True)
+    deleted_by = db.Column(db.Integer, index=True)
     ip = db.Column(db.String(50))
     from_bot = db.Column(db.Boolean, default=False)
     up_votes = db.Column(db.Integer, default=0)
diff --git a/migrations/versions/7fc066ad475a_deleted_by.py b/migrations/versions/7fc066ad475a_deleted_by.py
index e50d4c34..2e30924a 100644
--- a/migrations/versions/7fc066ad475a_deleted_by.py
+++ b/migrations/versions/7fc066ad475a_deleted_by.py
@@ -21,17 +21,14 @@ def upgrade():
     with op.batch_alter_table('post', schema=None) as batch_op:
         batch_op.add_column(sa.Column('deleted_by', sa.Integer(), nullable=True))
         batch_op.create_index(batch_op.f('ix_post_deleted_by'), ['deleted_by'], unique=False)
-        batch_op.create_foreign_key(None, 'user', ['deleted_by'], ['id'])
 
     with op.batch_alter_table('post_reply', schema=None) as batch_op:
         batch_op.add_column(sa.Column('deleted_by', sa.Integer(), nullable=True))
         batch_op.create_index(batch_op.f('ix_post_reply_deleted_by'), ['deleted_by'], unique=False)
-        batch_op.create_foreign_key(None, 'user', ['deleted_by'], ['id'])
 
     with op.batch_alter_table('user', schema=None) as batch_op:
         batch_op.add_column(sa.Column('deleted_by', sa.Integer(), nullable=True))
         batch_op.create_index(batch_op.f('ix_user_deleted_by'), ['deleted_by'], unique=False)
-        batch_op.create_foreign_key(None, 'user', ['deleted_by'], ['id'])
 
     # ### end Alembic commands ###
 
@@ -39,17 +36,14 @@ def upgrade():
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     with op.batch_alter_table('user', schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_='foreignkey')
         batch_op.drop_index(batch_op.f('ix_user_deleted_by'))
         batch_op.drop_column('deleted_by')
 
     with op.batch_alter_table('post_reply', schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_='foreignkey')
         batch_op.drop_index(batch_op.f('ix_post_reply_deleted_by'))
         batch_op.drop_column('deleted_by')
 
     with op.batch_alter_table('post', schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_='foreignkey')
         batch_op.drop_index(batch_op.f('ix_post_deleted_by'))
         batch_op.drop_column('deleted_by')