<?php namespace Jenssegers\Date;

use Illuminate\Support\ServiceProvider;

class DateServiceProvider extends ServiceProvider {

    /**
     * Indicates if loading of the provider is deferred.
     *
     * @var bool
     */
    protected $defer = false;

    /**
     * Bootstrap the application events.
     *
     * @return void
     */
    public function boot()
    {
        // Use the Laravel translator.
        Date::setTranslator($this->app['translator']);
    }

    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register()
    {

    }

    /**
     * Get the services provided by the provider.
     *
     * @return array
     */
    public function provides()
    {
        return array('Date');
    }

}

<?php namespace Jenssegers\Date;

use Illuminate\Support\ServiceProvider;

class DateServiceProvider extends ServiceProvider {

    /**
     * Indicates if loading of the provider is deferred.
     *
     * @var bool
     */
    protected $defer = false;

    /**
     * Bootstrap the application events.
     *
     * @return void
     */
    public function boot()
    {
        $this->package('jenssegers/date');

        // Use the Laravel translator.
        Date::setTranslator($this->app['translator']);
    }

    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register()
    {

    }

    /**
     * Get the services provided by the provider.
     *
     * @return array
     */
    public function provides()
    {
        return array('Date');
    }

}

--- 
+++ 
@@ -18,8 +18,6 @@
      */
     public function boot()
     {
-        $this->package('jenssegers/date');
-
         // Use the Laravel translator.
         Date::setTranslator($this->app['translator']);
     }
Remove the package registration for L5
