diff --git a/db/migrate/20170423210622_change_price_price_cents_type_to_integer.rb b/db/migrate/20170423210622_change_price_price_cents_type_to_integer.rb
new file mode 100644
index 000000000..fda7c2dc1
--- /dev/null
+++ b/db/migrate/20170423210622_change_price_price_cents_type_to_integer.rb
@@ -0,0 +1,5 @@
+class ChangePricePriceCentsTypeToInteger < ActiveRecord::Migration
+  def change
+    change_column :prices, :price_cents, 'integer USING CAST(price_cents AS integer)'
+  end
+end
diff --git a/db/migrate/20170423214500_remove_price_price_currency.rb b/db/migrate/20170423214500_remove_price_price_currency.rb
new file mode 100644
index 000000000..95f492701
--- /dev/null
+++ b/db/migrate/20170423214500_remove_price_price_currency.rb
@@ -0,0 +1,5 @@
+class RemovePricePriceCurrency < ActiveRecord::Migration
+  def change
+    remove_column :prices, :price_currency, :string
+  end
+end
diff --git a/db/migrate/20170423222302_remove_price_price_cents_default.rb b/db/migrate/20170423222302_remove_price_price_cents_default.rb
new file mode 100644
index 000000000..30aa19275
--- /dev/null
+++ b/db/migrate/20170423222302_remove_price_price_cents_default.rb
@@ -0,0 +1,5 @@
+class RemovePricePriceCentsDefault < ActiveRecord::Migration
+  def change
+    change_column_default :prices, :price_cents, nil
+  end
+end
diff --git a/db/schema-read-only.rb b/db/schema-read-only.rb
index 30891b1cc..6a564eeb4 100644
--- a/db/schema-read-only.rb
+++ b/db/schema-read-only.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170423151046) do
+ActiveRecord::Schema.define(version: 20170423222302) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -964,14 +964,13 @@ ActiveRecord::Schema.define(version: 20170423151046) do
   create_table "prices", force: :cascade do |t|
     t.string   "desc"
     t.string   "category"
-    t.decimal  "price_cents",        precision: 10, scale: 2, default: 0.0,   null: false
-    t.string   "price_currency",                              default: "EUR", null: false
+    t.integer  "price_cents",        null: false
     t.datetime "valid_from"
     t.datetime "valid_to"
     t.string   "creator_str"
     t.string   "updator_str"
-    t.datetime "created_at",                                                  null: false
-    t.datetime "updated_at",                                                  null: false
+    t.datetime "created_at",         null: false
+    t.datetime "updated_at",         null: false
     t.string   "duration"
     t.string   "operation_category"
   end
diff --git a/db/structure.sql b/db/structure.sql
index f4d2f0795..20ba2eee8 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -2497,8 +2497,7 @@ CREATE TABLE prices (
     id integer NOT NULL,
     "desc" character varying,
     category character varying,
-    price_cents numeric(10,2) DEFAULT 0.0 NOT NULL,
-    price_currency character varying DEFAULT 'EUR'::character varying NOT NULL,
+    price_cents integer NOT NULL,
     valid_from timestamp without time zone,
     valid_to timestamp without time zone,
     creator_str character varying,
@@ -5175,3 +5174,9 @@ INSERT INTO schema_migrations (version) VALUES ('20170423145057');
 
 INSERT INTO schema_migrations (version) VALUES ('20170423151046');
 
+INSERT INTO schema_migrations (version) VALUES ('20170423210622');
+
+INSERT INTO schema_migrations (version) VALUES ('20170423214500');
+
+INSERT INTO schema_migrations (version) VALUES ('20170423222302');
+
diff --git a/doc/models_complete.svg b/doc/models_complete.svg
index a0889d72b..9c786b9c0 100644
--- a/doc/models_complete.svg
+++ b/doc/models_complete.svg
@@ -2006,8 +2006,7 @@
 <text text-anchor="start" x="3606.5" y="-668.8" font-family="Times,serif" font-size="14.00">id :integer</text>
 <text text-anchor="start" x="3606.5" y="-653.8" font-family="Times,serif" font-size="14.00">desc :string</text>
 <text text-anchor="start" x="3606.5" y="-638.8" font-family="Times,serif" font-size="14.00">category :string</text>
-<text text-anchor="start" x="3606.5" y="-623.8" font-family="Times,serif" font-size="14.00">price_cents :decimal</text>
-<text text-anchor="start" x="3606.5" y="-608.8" font-family="Times,serif" font-size="14.00">price_currency :string</text>
+<text text-anchor="start" x="3606.5" y="-623.8" font-family="Times,serif" font-size="14.00">price_cents :integer</text>
 <text text-anchor="start" x="3606.5" y="-593.8" font-family="Times,serif" font-size="14.00">valid_from :datetime</text>
 <text text-anchor="start" x="3606.5" y="-578.8" font-family="Times,serif" font-size="14.00">valid_to :datetime</text>
 <text text-anchor="start" x="3606.5" y="-563.8" font-family="Times,serif" font-size="14.00">creator_str :string</text>