diff --git a/src/Command/CommandContainer.php b/src/Command/CommandContainer.php
index 38ea7d39..be6748eb 100644
--- a/src/Command/CommandContainer.php
+++ b/src/Command/CommandContainer.php
@@ -15,7 +15,6 @@
 use ChessServer\Command\StartCommand;
 use ChessServer\Command\StockfishCommand;
 use ChessServer\Command\TakebackCommand;
-use ChessServer\Command\TutorFenCommand;
 use ChessServer\Command\UndoCommand;
 
 class CommandContainer
@@ -38,7 +37,6 @@ public function __construct()
         $this->obj->attach(new StartCommand());
         $this->obj->attach(new StockfishCommand());
         $this->obj->attach(new TakebackCommand());
-        $this->obj->attach(new TutorFenCommand());
         $this->obj->attach(new UndoCommand());
     }
 
diff --git a/src/Command/TutorFenCommand.php b/src/Command/TutorFenCommand.php
deleted file mode 100644
index e74b8227..00000000
--- a/src/Command/TutorFenCommand.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-namespace ChessServer\Command;
-
-use ChessServer\Socket\ChesslaBlabSocket;
-
-class TutorFenCommand extends AbstractCommand
-{
-    public function __construct()
-    {
-        $this->name = '/tutor_fen';
-        $this->description = "Explains a FEN position in terms of chess concepts.";
-        $this->params = [
-            'fen' => '<string>',
-            'variant' => '<string>',
-        ];
-    }
-
-    public function validate(array $argv)
-    {
-        return count($argv) - 1 === count($this->params);
-    }
-
-    public function run(ChesslaBlabSocket $socket, array $argv, int $id)
-    {
-        $gameMode = $socket->getGameModeStorage()->getById($id);
-
-        return $socket->getClientStorage()->sendToOne(
-            $id,
-            $gameMode->res($argv, $this)
-        );
-    }
-}
diff --git a/src/Game/AbstractMode.php b/src/Game/AbstractMode.php
index 86ad9012..b78433d6 100644
--- a/src/Game/AbstractMode.php
+++ b/src/Game/AbstractMode.php
@@ -2,14 +2,10 @@
 
 namespace ChessServer\Game;
 
-use Chess\FenToBoardFactory;
-use Chess\Tutor\FenEvaluation;
-use Chess\Variant\Classical\Board as ClassicalBoard;
 use ChessServer\Game\Game;
 use ChessServer\Command\LegalCommand;
 use ChessServer\Command\PlayLanCommand;
 use ChessServer\Command\StockfishCommand;
-use ChessServer\Command\TutorFenCommand;
 use ChessServer\Command\UndoCommand;
 
 abstract class AbstractMode
@@ -89,13 +85,6 @@ public function res($argv, $cmd)
                     ],
                 ];
 
-            case TutorFenCommand::class:
-                $board = FenToBoardFactory::create($argv[1], new ClassicalBoard());
-                $paragraph = (new FenEvaluation($board))->getParagraph();
-                return [
-                    $cmd->name => implode(' ', $paragraph),
-                ];
-
             case UndoCommand::class:
                 $board = $this->game->getBoard()->undo();
                 $this->game->setBoard($board);