diff --git a/system/item.php b/system/item.php
deleted file mode 100644
index 66d4bfc5..00000000
--- a/system/item.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-/**
- * Item parser
- *
- * @package   MyAAC
- * @author    Slawkens <slawkens@gmail.com>
- * @copyright 2019 MyAAC
- * @link      https://my-aac.org
- */
-defined('MYAAC') or die('Direct access not allowed!');
-require_once SYSTEM . 'libs/items_images.php';
-
-Items_Images::$files = array(
-	'otb' => SYSTEM . 'data/items.otb',
-	'spr' => SYSTEM . 'data/Tibia.spr',
-	'dat' => SYSTEM . 'data/Tibia.dat'
-);
-Items_Images::$outputDir = BASE . 'images/items/';
-
-function generateItem($id = 100, $count = 1) {
-	Items_Images::generate($id, $count);
-}
-
-function itemImageExists($id, $count = 1)
-{
-	if(!isset($id))
-		throw new RuntimeException('ERROR - itemImageExists: id has been not set!');
-
-	$file_name = $id;
-	if($count > 1)
-		$file_name .= '-' . $count;
-
-	$file_name = Items_Images::$outputDir . $file_name . '.gif';
-	return file_exists($file_name);
-}
-
-function outputItem($id = 100, $count = 1)
-{
-	if(!(int)$count)
-		$count = 1;
-
-	if(!itemImageExists($id, $count))
-	{
-		//echo 'plik istnieje';
-		Items_Images::generate($id, $count);
-	}
-
-	$expires = 60 * 60 * 24 * 30; // 30 days
-	header('Content-type: image/gif');
-	header('Cache-Control: public');
-	header('Cache-Control: maxage=' . $expires);
-	header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT');
-
-	$file_name = $id;
-	if($count > 1)
-		$file_name .= '-' . $count;
-
-	$file_name = Items_Images::$outputDir . $file_name . '.gif';
-	readfile($file_name);
-}
diff --git a/system/libs/items_images.php b/system/libs/items_images.php
deleted file mode 100644
index f2a917f9..00000000
--- a/system/libs/items_images.php
+++ /dev/null
@@ -1,265 +0,0 @@
-<?php
-/**
- * Items_Images class
- *
- * @package   MyAAC
- * @author    Slawkens <slawkens@gmail.com>
- * @copyright 2019 MyAAC
- * @link      https://my-aac.org
- */
-defined('MYAAC') or die('Direct access not allowed!');
-
-if ( !function_exists( 'stackId' ) )
-{
-	function stackId( $count )
-	{
-		if ( $count >= 50 )
-			$stack = 8;
-		elseif ( $count >= 25 )
-			$stack = 7;
-		elseif ( $count >= 10 )
-			$stack = 6;
-		elseif ( $count >= 5 )
-			$stack = 5;
-		elseif ( $count >= 4 )
-			$stack = 4;
-		elseif ( $count >= 3 )
-			$stack = 3;
-		elseif ( $count >= 2 )
-			$stack = 2;
-		else
-			$stack = 1;
-
-		return $stack;
-	}
-}
-
-class Items_Images
-{
-	public static $outputDir = '';
-	public static $files = array();
-
-	private static $otb, $dat, $spr;
-	private static $lastItem;
-	private static $loaded = false;
-
-	public function __destruct()
-	{
-		if(self::$otb)
-			fclose(self::$otb);
-		if(self::$dat)
-			fclose(self::$dat);
-		if(self::$spr)
-			fclose(self::$spr);
-	}
-
-	public static function generate($id = 100, $count = 1)
-	{
-		if(!self::$loaded)
-			self::load();
-
-		$originalId = $id;
-		if($id < 100)
-			return false;
-			//die('ID cannot be lower than 100.');
-
-		rewind(self::$otb);
-		rewind(self::$dat);
-		rewind(self::$spr);
-
-		$nostand = false;
-		$init = false;
-		$originalId = $id;
-
-		// parse info from otb
-		while( false !== ( $char = fgetc( self::$otb ) ) )
-		{
-			$byte = HEX_PREFIX.bin2hex( $char );
-
-			if ( $byte == 0xFE )
-				$init = true;
-			elseif ( $byte == 0x10 and $init ) {
-				extract( unpack( 'x2/Ssid', fread( self::$otb, 4 ) ) );
-
-				if ( $id == $sid ) {
-					if ( HEX_PREFIX.bin2hex( fread( self::$otb, 1 ) ) == 0x11 ) {
-						extract( unpack( 'x2/Sid', fread( self::$otb, 4 ) ) );
-						break;
-					}
-				}
-				$init = false;
-			}
-		}
-
-		self::$lastItem = array_sum( unpack( 'x4/S*', fread( self::$dat, 12 )));
-		if($id > self::$lastItem)
-			return false;
-
-		//ini_set('max_execution_time', 300);
-		// parse info from dat
-		for( $i = 100; $i <= $id; $i++ ) {
-			while( ( $byte = HEX_PREFIX.bin2hex( fgetc( self::$dat ) ) ) != 0xFF ) {
-				$offset = 0;
-				switch( $byte ) {
-					case 0x00:
-					case 0x09:
-					case 0x0A:
-					case 0x1A:
-					case 0x1D:
-					case 0x1E:
-						$offset = 2;
-						break;
-
-					case 0x16:
-					case 0x19:
-						$offset = 4;
-						break;
-
-					case 0x01:
-					case 0x02:
-					case 0x03:
-					case 0x04:
-					case 0x05:
-					case 0x06:
-					case 0x07:
-					case 0x08:
-					case 0x0B:
-					case 0x0C:
-					case 0x0D:
-					case 0x0E:
-					case 0x0F:
-					case 0x10:
-					case 0x11:
-					case 0x12:
-					case 0x13:
-					case 0x14:
-					case 0x15:
-					case 0x17:
-					case 0x18:
-					case 0x1B:
-					case 0x1C:
-					case 0x1F:
-					case 0x20:
-						break;
-
-					default:
-						return false; #trigger_error( sprintf( 'Unknown .DAT byte %s (previous byte: %s; address %x)', $byte, $prev, ftell( $dat ), E_USER_ERROR ) );
-						break;
-				}
-
-				$prev = $byte;
-				fseek( self::$dat, $offset, SEEK_CUR );
-			}
-			extract( unpack( 'Cwidth/Cheight', fread( self::$dat, 2 ) ) );
-
-			if ( $width > 1 or $height > 1 ) {
-				fseek( self::$dat, 1, SEEK_CUR );
-				$nostand = true;
-			}
-
-			$sprites_c = array_product( unpack( 'C*', fread( self::$dat, 5 ) ) ) * $width * $height;
-			$sprites = unpack( 'S*', fread( self::$dat, 2 * $sprites_c ) );
-		}
-
-		if ( array_key_exists( stackId( $count ), $sprites ) ) {
-			$sprites = (array) $sprites[stackId( $count )];
-		}
-		else {
-			$sprites = (array) $sprites[array_rand( $sprites ) ];
-		}
-
-		fseek( self::$spr, 6 );
-
-		$sprite = imagecreatetruecolor( 32 * $width, 32 * $height );
-		imagecolortransparent( $sprite, imagecolorallocate( $sprite, 0, 0, 0 ) );
-
-		foreach( $sprites as $key => $value ) {
-			fseek( self::$spr, 6 + ( $value - 1 ) * 4 );
-			extract( unpack( 'Laddress', fread( self::$spr, 4 ) ) );
-
-			fseek( self::$spr, $address + 3 );
-			extract( unpack( 'Ssize', fread( self::$spr, 2 ) ) );
-
-			list( $num, $bit ) = array( 0, 0 );
-
-			while( $bit < $size ) {
-				$pixels = unpack( 'Strans/Scolored', fread( self::$spr, 4 ) );
-				$num += $pixels['trans'];
-				for( $i = 0; $i < $pixels['colored']; $i++ )
-				{
-					extract( unpack( 'Cred/Cgreen/Cblue', fread( self::$spr, 3 ) ) );
-
-					$red = ( $red == 0 ? ( $green == 0 ? ( $blue == 0 ? 1 : $red ) : $red ) : $red );
-
-					imagesetpixel( $sprite,
-						$num % 32 + ( $key % 2 == 1 ? 32 : 0 ),
-						$num / 32 + ( $key % 4 != 1 and $key % 4 != 0 ? 32 : 0 ),
-						imagecolorallocate( $sprite, $red, $green, $blue ) );
-
-					$num++;
-				}
-
-				$bit += 4 + 3 * $pixels['colored'];
-			}
-		}
-
-		if ( $count >= 2 ) {
-			if ( $count > 100 )
-				$count = 100;
-
-			$font = 3;
-			$length = imagefontwidth( $font ) * strlen( $count );
-
-			$pos = array(
-				'x' => ( 32 * $width ) - ( $length + 1 ),
-				'y' => ( 32 * $height ) - 13
-			);
-			imagestring( $sprite, $font, $pos['x'] - 1, $pos['y'] - 1, $count, imagecolorallocate( $sprite, 1, 1, 1 ) );
-			imagestring( $sprite, $font, $pos['x'], $pos['y'] - 1, $count, imagecolorallocate( $sprite, 1, 1, 1 ) );
-			imagestring( $sprite, $font, $pos['x'] - 1, $pos['y'], $count, imagecolorallocate( $sprite, 1, 1, 1 ) );
-
-			imagestring( $sprite, $font, $pos['x'], $pos['y'] + 1, $count, imagecolorallocate( $sprite, 1, 1, 1 ) );
-			imagestring( $sprite, $font, $pos['x'] + 1, $pos['y'], $count, imagecolorallocate( $sprite, 1, 1, 1 ) );
-			imagestring( $sprite, $font, $pos['x'] + 1, $pos['y'] + 1, $count, imagecolorallocate( $sprite, 1, 1, 1 ) );
-
-			imagestring( $sprite, $font, $pos['x'], $pos['y'], $count, imagecolorallocate( $sprite, 219, 219, 219 ) );
-		}
-
-		$imagePath = self::$outputDir . ($count > 1 ? $originalId . '-' . $count : $originalId ) . '.gif';
-
-		// save image
-		imagegif($sprite, $imagePath);
-	}
-
-	public static function load()
-	{
-		if(!defined( 'HEX_PREFIX'))
-			define('HEX_PREFIX', '0x');
-
-		self::$otb = fopen(self::$files['otb'], 'rb');
-		self::$dat = fopen(self::$files['dat'], 'rb');
-		self::$spr = fopen(self::$files['spr'], 'rb');
-
-		if(!self::$otb || !self::$dat || !self::$spr)
-			throw new RuntimeException('ERROR: Cannot load data files.');
-		/*
-		if ( $nostand )
-		{
-			for( $i = 0; $i < count( $sprites ) / 4; $i++ )
-			{
-				$sprites = array_merge( (array) $sprites, array_reverse( array_slice( $sprites, $i * 4, 4 ) ) );
-			}
-		}
-		else
-		{
-			$sprites = (array) $sprites[array_rand( $sprites ) ];
-		}
-		*/
-
-		self::$loaded = true;
-	}
-
-	public static function loaded() {
-		return self::$loaded;
-	}
-}
diff --git a/tools/item.php b/tools/item.php
deleted file mode 100644
index b2da8a2f..00000000
--- a/tools/item.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-require '../common.php';
-require SYSTEM . 'item.php';
-
-if(isset($_GET['id']))
-	outputItem($_GET['id'], $_GET['count']);
-?>
diff --git a/tools/signature/mango.php b/tools/signature/mango.php
index f00f7f18..07da96d5 100644
--- a/tools/signature/mango.php
+++ b/tools/signature/mango.php
@@ -15,11 +15,6 @@
 		return ( 50 / 3 ) * pow( $level, 3 ) - ( 100 * pow( $level, 2 ) ) + ( ( 850 / 3 ) * $level ) - 200;
 	}
 
-	/** Sprite settings **/
-	$spr_path = SIGNATURES_DATA.'Tibia.spr';
-	$dat_path = SIGNATURES_DATA.'Tibia.dat';
-	$otb_path = SIGNATURES_DATA.'items.otb';
-
 	$background = 'default.png';
 	if ( !file_exists( SIGNATURES_BACKGROUNDS.$background ) )
 	{