diff --git a/db/migrate/001_create_units.rb b/db/migrate/001_create_units.rb
index 1d7da34..076963e 100644
--- a/db/migrate/001_create_units.rb
+++ b/db/migrate/001_create_units.rb
@@ -11,12 +11,19 @@ class CreateUnits < ActiveRecord::Migration
       t.string :name
       t.string :description
       t.integer :domain
+      t.boolean :displayed
       # fields for awesome_nested_set
       t.references :parent
       t.integer :lft, :null => false, :index => true
       t.integer :rgt, :null => false, :index => true
     end
 
+    create_table :sources do |t|
+      t.references :project
+      t.string :name
+      t.text :description
+    end
+
     create_table :ingredients do |t|
       t.references :project
       t.string :name
@@ -24,6 +31,7 @@ class CreateUnits < ActiveRecord::Migration
       t.references :ref_unit
       t.integer :group
       t.references :source
+      t.string :source_ident
       t.boolean :hidden
     end
 
diff --git a/db/migrate/002_create_sources.rb b/db/migrate/002_create_sources.rb
deleted file mode 100644
index df5ba93..0000000
--- a/db/migrate/002_create_sources.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class CreateSources < ActiveRecord::Migration
-  def change
-    create_table :sources do |t|
-      t.references :project, index: true, foreign_key: true
-      t.string :name
-      t.text :description
-    end
-    add_index :sources, :project_id
-  end
-end