diff --git a/app/models/manager.rb b/app/models/manager.rb
deleted file mode 100644
index 6dc5cceea..000000000
--- a/app/models/manager.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-class Manager < ActiveRecord::Base
-  validates :username, presence: true, uniqueness: true
-  validates :password_digest, presence: true
-
-  has_secure_password
-
-  def self.valid_manager(username = nil, password = nil)
-    return false unless username.present? && password.present?
-    Manager.find_by(username: username).try(:authenticate, password)
-  end
-
-end
\ No newline at end of file
diff --git a/db/migrate/20151015135154_destroy_manager.rb b/db/migrate/20151015135154_destroy_manager.rb
new file mode 100644
index 000000000..41e16f0e3
--- /dev/null
+++ b/db/migrate/20151015135154_destroy_manager.rb
@@ -0,0 +1,16 @@
+class DestroyManager < ActiveRecord::Migration
+  def self.up
+    drop_table :managers
+  end
+
+  def self.down
+    create_table :managers do |t|
+      t.string :username, null: false
+      t.string :password_digest, null: false
+      t.timestamp :last_login_at
+      t.timestamps
+    end
+
+    add_index :managers, [:username]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3dbea57a8..56d5a4a9f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20151013145757) do
+ActiveRecord::Schema.define(version: 20151015135154) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -168,16 +168,6 @@ ActiveRecord::Schema.define(version: 20151013145757) do
 
   add_index "locks", ["user_id"], name: "index_locks_on_user_id", using: :btree
 
-  create_table "managers", force: :cascade do |t|
-    t.string   "username",        null: false
-    t.string   "password_digest", null: false
-    t.datetime "last_login_at"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  add_index "managers", ["username"], name: "index_managers_on_username", using: :btree
-
   create_table "moderators", force: :cascade do |t|
     t.integer "user_id"
   end
diff --git a/spec/models/manager_spec.rb b/spec/models/manager_spec.rb
deleted file mode 100644
index a6a89427c..000000000
--- a/spec/models/manager_spec.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-require 'rails_helper'
-
-describe Manager do
-
-  describe "valid?" do
-
-    let(:manager) { create(:manager) }
-
-    it "is false when username is blank" do
-      manager.username = nil
-      expect(manager).to_not be_valid
-    end
-    it "is false when password is blank" do
-      manager.password_digest = nil
-      expect(manager).to_not be_valid
-    end
-
-    it "is true if username and password present" do
-      expect(manager).to be_valid
-    end
-  end
-
-  describe "self.valid_manager" do
-    before(:all) { create(:manager, username: "Silvia" ,password: "supersecret") }
-
-    it "is false when username is blank" do
-      expect(Manager.valid_manager(nil, "supersecret")).to be_blank
-    end
-    it "is false when password is blank" do
-      expect(Manager.valid_manager("Silvia", nil)).to be_blank
-    end
-
-    it "is false if manager unexistent" do
-      expect(Manager.valid_manager("Manager", "supersecret")).to be_blank
-    end
-
-    it "is false if wrong password unexistent" do
-      expect(Manager.valid_manager("Silvia", "wrong")).to be_blank
-    end
-
-    it "is true if right username/password combination" do
-      expect(Manager.valid_manager("Silvia", "supersecret")).to be_present
-    end
-  end
-
-end
\ No newline at end of file