```ruby
class SessionsController < ApplicationController
  def create
    user = User.from_omniauth(env["omniauth.auth"])
    session[:user_id] = user.id
    redirect_to root_url, notice: 'Signed in!'
  end

  def destroy
    reset_session
    redirect_url root_url, notice: 'Signed out!'
  end
end```

Remove extraneous flash upon signing in
user
```ruby
class SessionsController < ApplicationController
  def create
    user = User.from_omniauth(env["omniauth.auth"])
    session[:user_id] = user.id
    redirect_to root_url
  end

  def destroy
    reset_session
    redirect_url root_url, notice: 'Signed out!'
  end
end```
assistant