diff --git a/composer.json b/composer.json
index 7301514ccaca..92f71ddb098a 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,6 @@
         "mtdowling/cron-expression": "~1.0",
         "nesbot/carbon": "~1.20",
         "paragonie/random_compat": "~1.4|~2.0",
-        "psy/psysh": "0.7.*|0.8.*",
         "ramsey/uuid": "~3.0",
         "swiftmailer/swiftmailer": "~5.1",
         "symfony/console": "~3.2",
@@ -105,6 +104,7 @@
         "doctrine/dbal": "Required to rename columns and drop SQLite columns (~2.4).",
         "fzaninotto/faker": "Required to use the eloquent factory builder (~1.4).",
         "guzzlehttp/guzzle": "Required to use the Mailgun and Mandrill mail drivers and the ping methods on schedules (~5.3|~6.0).",
+        "laravel/tinker": "Required to use the tinker console command (~1.0).",
         "league/flysystem-aws-s3-v3": "Required to use the Flysystem S3 driver (~1.0).",
         "league/flysystem-rackspace": "Required to use the Flysystem Rackspace driver (~1.0).",
         "pda/pheanstalk": "Required to use the beanstalk queue driver (~3.0).",
diff --git a/src/Illuminate/Foundation/Console/IlluminateCaster.php b/src/Illuminate/Foundation/Console/IlluminateCaster.php
deleted file mode 100644
index 3db75e6fd883..000000000000
--- a/src/Illuminate/Foundation/Console/IlluminateCaster.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-namespace Illuminate\Foundation\Console;
-
-use Exception;
-use Illuminate\Support\Collection;
-use Illuminate\Foundation\Application;
-use Illuminate\Database\Eloquent\Model;
-use Symfony\Component\VarDumper\Caster\Caster;
-
-class IlluminateCaster
-{
-    /**
-     * Illuminate application methods to include in the presenter.
-     *
-     * @var array
-     */
-    private static $appProperties = [
-        'configurationIsCached',
-        'environment',
-        'environmentFile',
-        'isLocal',
-        'routesAreCached',
-        'runningUnitTests',
-        'version',
-        'path',
-        'basePath',
-        'configPath',
-        'databasePath',
-        'langPath',
-        'publicPath',
-        'storagePath',
-        'bootstrapPath',
-    ];
-
-    /**
-     * Get an array representing the properties of an application.
-     *
-     * @param  \Illuminate\Foundation\Application  $app
-     * @return array
-     */
-    public static function castApplication(Application $app)
-    {
-        $results = [];
-
-        foreach (self::$appProperties as $property) {
-            try {
-                $val = $app->$property();
-
-                if (! is_null($val)) {
-                    $results[Caster::PREFIX_VIRTUAL.$property] = $val;
-                }
-            } catch (Exception $e) {
-                //
-            }
-        }
-
-        return $results;
-    }
-
-    /**
-     * Get an array representing the properties of a collection.
-     *
-     * @param  \Illuminate\Support\Collection  $collection
-     * @return array
-     */
-    public static function castCollection(Collection $collection)
-    {
-        return [
-            Caster::PREFIX_VIRTUAL.'all' => $collection->all(),
-        ];
-    }
-
-    /**
-     * Get an array representing the properties of a model.
-     *
-     * @param  \Illuminate\Database\Eloquent\Model  $model
-     * @return array
-     */
-    public static function castModel(Model $model)
-    {
-        $attributes = array_merge(
-            $model->getAttributes(), $model->getRelations()
-        );
-
-        $visible = array_flip(
-            $model->getVisible() ?: array_diff(array_keys($attributes), $model->getHidden())
-        );
-
-        $results = [];
-
-        foreach (array_intersect_key($attributes, $visible) as $key => $value) {
-            $results[(isset($visible[$key]) ? Caster::PREFIX_VIRTUAL : Caster::PREFIX_PROTECTED).$key] = $value;
-        }
-
-        return $results;
-    }
-}
diff --git a/src/Illuminate/Foundation/Console/TinkerCommand.php b/src/Illuminate/Foundation/Console/TinkerCommand.php
deleted file mode 100644
index 68c48ae94192..000000000000
--- a/src/Illuminate/Foundation/Console/TinkerCommand.php
+++ /dev/null
@@ -1,100 +0,0 @@
-<?php
-
-namespace Illuminate\Foundation\Console;
-
-use Psy\Shell;
-use Psy\Configuration;
-use Illuminate\Console\Command;
-use Symfony\Component\Console\Input\InputArgument;
-
-class TinkerCommand extends Command
-{
-    /**
-     * artisan commands to include in the tinker shell.
-     *
-     * @var array
-     */
-    protected $commandWhitelist = [
-        'clear-compiled', 'down', 'env', 'inspire', 'migrate', 'optimize', 'up',
-    ];
-
-    /**
-     * The console command name.
-     *
-     * @var string
-     */
-    protected $name = 'tinker';
-
-    /**
-     * The console command description.
-     *
-     * @var string
-     */
-    protected $description = 'Interact with your application';
-
-    /**
-     * Execute the console command.
-     *
-     * @return void
-     */
-    public function fire()
-    {
-        $this->getApplication()->setCatchExceptions(false);
-
-        $config = new Configuration;
-
-        $config->getPresenter()->addCasters(
-            $this->getCasters()
-        );
-
-        $shell = new Shell($config);
-        $shell->addCommands($this->getCommands());
-        $shell->setIncludes($this->argument('include'));
-
-        $shell->run();
-    }
-
-    /**
-     * Get artisan commands to pass through to PsySH.
-     *
-     * @return array
-     */
-    protected function getCommands()
-    {
-        $commands = [];
-
-        foreach ($this->getApplication()->all() as $name => $command) {
-            if (in_array($name, $this->commandWhitelist)) {
-                $commands[] = $command;
-            }
-        }
-
-        return $commands;
-    }
-
-    /**
-     * Get an array of Laravel tailored casters.
-     *
-     * @return array
-     */
-    protected function getCasters()
-    {
-        return [
-            'Illuminate\Foundation\Application' => 'Illuminate\Foundation\Console\IlluminateCaster::castApplication',
-            'Illuminate\Support\Collection' => 'Illuminate\Foundation\Console\IlluminateCaster::castCollection',
-            'Illuminate\Database\Eloquent\Model' => 'Illuminate\Foundation\Console\IlluminateCaster::castModel',
-        ];
-    }
-
-    /**
-     * Get the console command arguments.
-     *
-     * @return array
-     */
-    protected function getArguments()
-    {
-        return [
-            ['include', InputArgument::IS_ARRAY, 'Include file(s) before starting tinker'],
-        ];
-    }
-}
diff --git a/src/Illuminate/Foundation/Providers/ArtisanServiceProvider.php b/src/Illuminate/Foundation/Providers/ArtisanServiceProvider.php
index 0b3aa20ed933..bfbe4febf10f 100755
--- a/src/Illuminate/Foundation/Providers/ArtisanServiceProvider.php
+++ b/src/Illuminate/Foundation/Providers/ArtisanServiceProvider.php
@@ -10,7 +10,6 @@
 use Illuminate\Auth\Console\ClearResetsCommand;
 use Illuminate\Cache\Console\CacheTableCommand;
 use Illuminate\Foundation\Console\ServeCommand;
-use Illuminate\Foundation\Console\TinkerCommand;
 use Illuminate\Queue\Console\FailedTableCommand;
 use Illuminate\Foundation\Console\AppNameCommand;
 use Illuminate\Foundation\Console\JobMakeCommand;
@@ -105,7 +104,6 @@ class ArtisanServiceProvider extends ServiceProvider
         'ScheduleFinish' => 'Illuminate\Console\Scheduling\ScheduleFinishCommand',
         'ScheduleRun' => 'Illuminate\Console\Scheduling\ScheduleRunCommand',
         'StorageLink' => 'command.storage.link',
-        'Tinker' => 'command.tinker',
         'Up' => 'command.up',
         'ViewClear' => 'command.view.clear',
     ];
@@ -797,18 +795,6 @@ protected function registerTestMakeCommand()
         });
     }
 
-    /**
-     * Register the command.
-     *
-     * @return void
-     */
-    protected function registerTinkerCommand()
-    {
-        $this->app->singleton('command.tinker', function () {
-            return new TinkerCommand;
-        });
-    }
-
     /**
      * Register the command.
      *