diff --git a/old.index.php b/old.index.php
index 6bee77c..b9d1c54 100644
--- a/old.index.php
+++ b/old.index.php
@@ -1,34 +1,6 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <title>homo.casa</title>
-  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
-  <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
-  <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
-  <link rel="manifest" href="/site.webmanifest">
-  <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#ee0000">
-  <meta name="msapplication-TileColor" content="#00aba9">
-  <meta name="theme-color" content="#ffffff">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+
 <?php
-  function getByteString($bytes) {
-    $symbols = array('B', 'KB', 'MB', 'GB', 'TB');
-    $exp = ($bytes ? floor(log($bytes)/log(1024)) : 0);
-    return sprintf(
-      '%.2f '.$symbol[$exp], 
-      ($bytes ? $bytes/pow(1024, floor($exp)) : 0)
-    );
-  }
-  function getPercentageUsed($total, $used) {
-    return ($total && $used ?
-      sprintf('%.4f', (100 * $used / $total))
-    : false);
-  }
-  function getDifference($minuend, $subtrahend) {
-    return ($minuend && $subtrahend ?
-      $minuend - $subtrahend
-    : false);
-  }
+  
   $hinamizawa_total = disk_total_space("/data/");
   $hinamizawa_free = disk_free_space("/data/");
   $hinamizawa_used = getDifference($hinamizawa_total, $hinamizawa_free);
@@ -83,41 +55,7 @@
     .home {
       width: 50%;
     }
-    .pie {
-      background: #bbb;
-      border-radius: 100%;
-      height: calc(var(--size, 200) * 1px);
-      width: calc(var(--size, 200) * 1px);
-      position: relative;
-    }
-    .slice {
-      height: 100%;
-      width: 100%;
-      position: absolute;
-      transform: 
-        translate(0, -50%) 
-        rotate(90deg);
-      transform-origin: 50% 100%;
-    }
-    .slice:after,
-    .slice:before {
-      background: var(--bg, #fff);
-      content: '';
-      height: 100%;
-      width: 100%;
-      position: absolute;
-    }
-    .slice:before {
-      --degrees: calc((var(--value, 45) / 100) * 360);
-      transform: 
-        translate(0, 100%) 
-        rotate(calc(var(--degrees) * 1deg))
-      ;
-      transform-origin: 50% 0;
-    }
-    .slice:after {
-      opacity: var(--over50, 0);
-    }
+    
     .hinamizawa {
       --bg: #637bc0;
       background: var(--bg, #637bc0);
@@ -138,26 +76,6 @@
       --bg: #86c9a8;
       background: var(--bg, #86c9a8);
     }
-    #hinamizawa-used {
-      --value: <?php echo ($hinamizawa_percent ? $hinamizawa_percent : 0); ?>;
-      --over50: <?php echo ($hinamizawa_percent > 50 ? '1' : '0'); ?>
-    }
-    #maebara-used {
-      --value: <?php echo ($maebara_percent ? $maebara_percent : 0); ?>;
-      --over50: <?php echo ($maebara_percent > 50 ? '1' : '0'); ?>
-    }
-    #houjou-used {
-      --value: <?php echo ($houjou_percent ? $houjou_percent : 0); ?>;
-      --over50: <?php echo ($houjou_percent > 50 ? '1' : '0'); ?>
-    }
-    #ryuuguu-used {
-      --value: <?php echo ($ryuuguu_percent ? $ryuuguu_percent : 0); ?>;
-      --over50: <?php echo ($ryuuguu_percent > 50 ? '1' : '0'); ?>
-    }
-    #sonozaki-used {
-      --value: <?php echo ($sonozaki_percent ? $sonozaki_percent : 0); ?>;
-      --over50: <?php echo ($sonozaki_percent > 50 ? '1' : '0'); ?>
-    }
 
     /* services */
     .service {
