diff --git a/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py b/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py
index 043d68db8..932ffde51 100644
--- a/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py
+++ b/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py
@@ -38,13 +38,11 @@ def upgrade(tables):
     op.create_index('derivedimagestorage_transformation_id', 'derivedimagestorage', ['transformation_id'], unique=False)
     op.drop_index('image_repository_id_docker_image_id', table_name='image')
     op.create_index('image_repository_id_docker_image_id', 'image', ['repository_id', 'docker_image_id'], unique=True)
-    op.add_column(u'imagestorage', sa.Column('uncompressed_size', sa.BigInteger(), nullable=True))
     ### end Alembic commands ###
 
 
 def downgrade(tables):
     ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column(u'imagestorage', 'uncompressed_size')
     op.drop_index('image_repository_id_docker_image_id', table_name='image')
     op.create_index('image_repository_id_docker_image_id', 'image', ['repository_id', 'docker_image_id'], unique=False)
     op.drop_index('derivedimagestorage_transformation_id', table_name='derivedimagestorage')