diff --git a/src/MappableMedia.php b/src/MappableMedia.php
index 095bab3..c2fc9c9 100644
--- a/src/MappableMedia.php
+++ b/src/MappableMedia.php
@@ -9,17 +9,8 @@ use FFMpeg\Driver\FFMpegDriver;
 use FFMpeg\Exception\RuntimeException;
 use FFMpeg\FFMpeg;
 use FFMpeg\FFProbe;
-use FFMpeg\Filters\AdvancedMedia\ComplexCompatibleFilter;
-use FFMpeg\Filters\AdvancedMedia\ComplexFilterContainer;
-use FFMpeg\Filters\AdvancedMedia\ComplexFilterInterface;
-use FFMpeg\Filters\AdvancedMedia\ComplexFilters;
-use FFMpeg\Filters\FiltersCollection;
-use FFMpeg\Format\AudioInterface;
-use FFMpeg\Format\FormatInterface;
 use FFMpeg\Format\ProgressListener\AbstractProgressListener;
 use FFMpeg\Format\ProgressListener\VideoProgressListener;
-use FFMpeg\Format\ProgressableInterface;
-use FFMpeg\Format\VideoInterface;
 use FFMpeg\Media\AbstractMediaType;
 
 /**
@@ -57,8 +48,6 @@ class MappableMedia extends AbstractMediaType implements EventEmitterInterface
     public function __construct(FFMpegDriver $driver, FFProbe $ffprobe)
     {
         // In case of error user will see this text in the error log.
-        // But absence of inputs is a correct situation for some cases.
-        // For example, if the user will use filters such as "testsrc".
         $pathfile = 'you_can_pass_empty_inputs_array_only_if_you_use_computed_inputs';
 
         parent::__construct($pathfile, $driver, $ffprobe);
@@ -71,7 +60,7 @@ class MappableMedia extends AbstractMediaType implements EventEmitterInterface
 
     public function filters()
     {
-        return $this->filters;
+        return null;
     }
 
     public function addInput(string $path): static
@@ -178,58 +167,12 @@ class MappableMedia extends AbstractMediaType implements EventEmitterInterface
         $listener = new VideoProgressListener($this->ffprobe, $this->getPathfile(), 1, 1, 0);
 
         $listener->on('progress', function (...$args) use ($self) {
-            $self->emit('progress', array_merge([$self, null], $args));
+            $self->emit('progress', array_merge([$self], $args));
         });
 
         $this->progressListeners[] = $listener;
     }
 
-    /**
-     * @param bool $forceDisableAudio
-     * @param bool $forceDisableVideo
-     *
-     * @return array
-     * @todo Redo it all
-     */
-    protected function applyFormatParams(
-        FormatInterface $format,
-        $forceDisableAudio = false,
-        $forceDisableVideo = false
-    ) {
-        // Set format params.
-        $commands = [];
-        if (!$forceDisableVideo && $format instanceof VideoInterface) {
-            if (null !== $format->getVideoCodec()) {
-                $commands[] = '-vcodec';
-                $commands[] = $format->getVideoCodec();
-            }
-            // If the user passed some additional format parameters.
-            if (null !== $format->getAdditionalParameters()) {
-                $commands = array_merge($commands, $format->getAdditionalParameters());
-            }
-        }
-        if (!$forceDisableAudio && $format instanceof AudioInterface) {
-            if (null !== $format->getAudioCodec()) {
-                $commands[] = '-acodec';
-                $commands[] = $format->getAudioCodec();
-            }
-            if (null !== $format->getAudioKiloBitrate()) {
-                $commands[] = '-b:a';
-                $commands[] = $format->getAudioKiloBitrate().'k';
-            }
-            if (null !== $format->getAudioChannels()) {
-                $commands[] = '-ac';
-                $commands[] = $format->getAudioChannels();
-            }
-        }
-
-        // If the user passed some extra parameters.
-        if ($format->getExtraParams()) {
-            $commands = array_merge($commands, $format->getExtraParams());
-        }
-
-        return $commands;
-    }
     /**
      * @return array
      */