/ as root

app/controllers/sessions_controller.rb

@@ -1,19 +0,0 @@
-class SessionsController < ApplicationController
-  def create
-    if user = User.find_or_create_from_auth_hash(auth_hash)
-      session[:user_id] = user.id
-    end
-    redirect_to root_path
-  end
-
-  def destroy
-    reset_session
-    redirect_to root_path
-  end
-
-  protected
-
-  def auth_hash
-    request.env['omniauth.auth']
-  end
-end

config/routes.rb

@@ -1,10 +1,6 @@
 Rails.application.routes.draw do
-#  root to: redirect { |path_params| "/leipzig" }
-
+  root :to => 'search#index', as: :search
   post '/import' => 'import#new_papers_callback'
-  get '/'    => 'search#index', as: :search
-  
-  resource :session, only: [:create, :destroy]
 
   # Example of regular route:
   #   get 'products/:id' => 'catalog#view'