diff --git a/doc/Installation.md b/doc/Installation.md
index 13c57d80..3dd342e0 100644
--- a/doc/Installation.md
+++ b/doc/Installation.md
@@ -177,11 +177,7 @@ CREATE TABLE prefix_paste (
     dataid CHAR(16) NOT NULL,
     data MEDIUMBLOB,
     expiredate INT,
-    opendiscussion INT,
-    burnafterreading INT,
     meta TEXT,
-    attachment MEDIUMBLOB,
-    attachmentname BLOB,
     PRIMARY KEY (dataid)
 );
 
diff --git a/js/privatebin.js b/js/privatebin.js
index 4d6ffc55..dbad580c 100644
--- a/js/privatebin.js
+++ b/js/privatebin.js
@@ -91,7 +91,6 @@ jQuery.PrivateBin = (function($) {
      * @class
      */
     function CryptoData(data) {
-        this.v = 1;
         // store all keys in the default locations for drop-in replacement
         for (let key in data) {
             this[key] = data[key];
@@ -102,11 +101,11 @@ jQuery.PrivateBin = (function($) {
          *
          * @name CryptoData.getCipherData
          * @function
-         * @return {Array}|{string}
+         * @return {Array}
          */
         this.getCipherData = function()
         {
-            return this.v === 1 ? this.data : [this.ct, this.adata];
+            return [this.ct, this.adata];
         }
     }
 
@@ -131,7 +130,7 @@ jQuery.PrivateBin = (function($) {
          */
         this.getFormat = function()
         {
-            return this.v === 1 ? this.meta.formatter : this.adata[1];
+            return this.adata[1];
         }
 
         /**
@@ -145,7 +144,7 @@ jQuery.PrivateBin = (function($) {
          */
         this.getTimeToLive = function()
         {
-            return (this.v === 1 ? this.meta.remaining_time : this.meta.time_to_live) || 0;
+            return this.meta.time_to_live || 0;
         }
 
         /**
@@ -157,7 +156,7 @@ jQuery.PrivateBin = (function($) {
          */
         this.isBurnAfterReadingEnabled = function()
         {
-            return (this.v === 1 ? this.meta.burnafterreading : this.adata[3]);
+            return this.adata[3];
         }
 
         /**
@@ -169,7 +168,7 @@ jQuery.PrivateBin = (function($) {
          */
         this.isDiscussionEnabled = function()
         {
-            return (this.v === 1 ? this.meta.opendiscussion : this.adata[2]);
+            return this.adata[2];
         }
     }
 
@@ -194,7 +193,7 @@ jQuery.PrivateBin = (function($) {
          */
         this.getCreated = function()
         {
-            return this.meta[this.v === 1 ? 'postdate' : 'created'] || 0;
+            return this.meta['created'] || 0;
         }
 
         /**
@@ -206,7 +205,7 @@ jQuery.PrivateBin = (function($) {
          */
         this.getIcon = function()
         {
-            return this.meta[this.v === 1 ? 'vizhash' : 'icon'] || '';
+            return this.meta['icon'] || '';
         }
     }
 
@@ -5316,7 +5315,7 @@ jQuery.PrivateBin = (function($) {
          */
         async function decryptPaste(paste, key, password)
         {
-            let pastePlain = await decryptOrPromptPassword(
+            const pastePlain = await decryptOrPromptPassword(
                 key, password,
                 paste.getCipherData()
             );
@@ -5332,36 +5331,21 @@ jQuery.PrivateBin = (function($) {
                 }
             }
 
-            if (paste.v > 1) {
-                // version 2 paste
-                const pasteMessage = JSON.parse(pastePlain);
-                if (pasteMessage.hasOwnProperty('attachment') && pasteMessage.hasOwnProperty('attachment_name')) {
-                    if (Array.isArray(pasteMessage.attachment) && Array.isArray(pasteMessage.attachment_name)) {
-                        pasteMessage.attachment.forEach((attachment, key) => {
-                            const attachment_name = pasteMessage.attachment_name[key];
-                            AttachmentViewer.setAttachment(attachment, attachment_name);
-                        });
-                    } else {
-                        // Continue to process attachment parameters as strings to ensure backward compatibility
-                        AttachmentViewer.setAttachment(pasteMessage.attachment, pasteMessage.attachment_name);
-                    }
-                    AttachmentViewer.showAttachment();
-                }
-                pastePlain = pasteMessage.paste;
-            } else {
-                // version 1 paste
-                if (paste.hasOwnProperty('attachment') && paste.hasOwnProperty('attachmentname')) {
-                    Promise.all([
-                        CryptTool.decipher(key, password, paste.attachment),
-                        CryptTool.decipher(key, password, paste.attachmentname)
-                    ]).then((attachment) => {
-                        AttachmentViewer.setAttachment(attachment[0], attachment[1]);
-                        AttachmentViewer.showAttachment();
+            const pasteMessage = JSON.parse(pastePlain);
+            if (pasteMessage.hasOwnProperty('attachment') && pasteMessage.hasOwnProperty('attachment_name')) {
+                if (Array.isArray(pasteMessage.attachment) && Array.isArray(pasteMessage.attachment_name)) {
+                    pasteMessage.attachment.forEach((attachment, key) => {
+                        const attachment_name = pasteMessage.attachment_name[key];
+                        AttachmentViewer.setAttachment(attachment, attachment_name);
                     });
+                } else {
+                    // Continue to process attachment parameters as strings to ensure backward compatibility
+                    AttachmentViewer.setAttachment(pasteMessage.attachment, pasteMessage.attachment_name);
                 }
+                AttachmentViewer.showAttachment();
             }
             PasteViewer.setFormat(paste.getFormat());
-            PasteViewer.setText(pastePlain);
+            PasteViewer.setText(pasteMessage.paste);
             PasteViewer.run();
         }
 
@@ -5388,28 +5372,15 @@ jQuery.PrivateBin = (function($) {
                 const comment        = new Comment(paste.comments[i]),
                       commentPromise = CryptTool.decipher(key, password, comment.getCipherData());
                 paste.comments[i] = comment;
-                if (comment.v > 1) {
-                    // version 2 comment
-                    commentDecryptionPromises.push(
-                        commentPromise.then(function (commentJson) {
-                            const commentMessage = JSON.parse(commentJson);
-                            return [
-                                commentMessage.comment  || '',
-                                commentMessage.nickname || ''
-                            ];
-                        })
-                    );
-                } else {
-                    // version 1 comment
-                    commentDecryptionPromises.push(
-                        Promise.all([
-                            commentPromise,
-                            paste.comments[i].meta.hasOwnProperty('nickname') ?
-                                CryptTool.decipher(key, password, paste.comments[i].meta.nickname) :
-                                Promise.resolve('')
-                        ])
-                    );
-                }
+                commentDecryptionPromises.push(
+                    commentPromise.then(function (commentJson) {
+                        const commentMessage = JSON.parse(commentJson);
+                        return [
+                            commentMessage.comment  || '',
+                            commentMessage.nickname || ''
+                        ];
+                    })
+                );
             }
             return Promise.all(commentDecryptionPromises).then(function (plaintexts) {
                 for (let i = 0; i < paste.comments.length; ++i) {
diff --git a/js/test/PasteStatus.js b/js/test/PasteStatus.js
index bb24840b..b50b233b 100644
--- a/js/test/PasteStatus.js
+++ b/js/test/PasteStatus.js
@@ -177,36 +177,7 @@ describe('PasteStatus', function () {
         this.timeout(30000);
 
         jsc.property(
-            'shows burn after reading message or remaining time v1',
-            'bool',
-            'nat',
-            common.jscUrl(),
-            function (burnafterreading, remainingTime, url) {
-                let clean = jsdom('', {url: common.urlToString(url)}),
-                    result;
-                $('body').html('<div id="remainingtime" class="hidden"></div>');
-                $.PrivateBin.PasteStatus.init();
-                $.PrivateBin.PasteStatus.showRemainingTime($.PrivateBin.Helper.PasteFactory({'meta': {
-                    'burnafterreading': burnafterreading,
-                    'remaining_time': remainingTime
-                }}));
-                if (burnafterreading) {
-                    result = $('#remainingtime').hasClass('foryoureyesonly') &&
-                            !$('#remainingtime').hasClass('hidden');
-                } else if (remainingTime) {
-                    result =!$('#remainingtime').hasClass('foryoureyesonly') &&
-                            !$('#remainingtime').hasClass('hidden');
-                } else {
-                    result = $('#remainingtime').hasClass('hidden') &&
-                            !$('#remainingtime').hasClass('foryoureyesonly');
-                }
-                clean();
-                return result;
-            }
-        );
-
-        jsc.property(
-            'shows burn after reading message or remaining time v2',
+            'shows burn after reading message or remaining time',
             'bool',
             'nat',
             common.jscUrl(),
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 84ce53a3..13c37a30 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -116,7 +116,7 @@ class Configuration
             'js/kjua-0.9.0.js'       => 'sha512-CVn7af+vTMBd9RjoS4QM5fpLFEOtBCoB0zPtaqIDC7sF4F8qgUSRFQQpIyEDGsr6yrjbuOLzdf20tkHHmpaqwQ==',
             'js/legacy.js'           => 'sha512-UxW/TOZKon83n6dk/09GsYKIyeO5LeBHokxyIq+r7KFS5KMBeIB/EM7NrkVYIezwZBaovnyNtY2d9tKFicRlXg==',
             'js/prettify.js'         => 'sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==',
-            'js/privatebin.js'       => 'sha512-wQci0zYb+eGsbQaLWunZ7sMoT7+3w5SUfvBJ3JactOOO2WytQGt/q6wRdWZsCkZjCE6hxkEBOxlfSqLHluh3KQ==',
+            'js/privatebin.js'       => 'sha512-9PIA4e9hN7XUWzN4w7K0BKtEK3/N7ZztNchTrV5M0joeMCPdbU1dJWxRr0XmsFmb+V/Zsr8n+YopxiCc5HMPIQ==',
             'js/purify-3.2.6.js'     => 'sha512-zqwL4OoBLFx89QPewkz4Lz5CSA2ktU+f31fuECkF0iK3Id5qd3Zpq5dMby8KwHjIEpsUgOqwF58cnmcaNem0EA==',
             'js/showdown-2.1.0.js'   => 'sha512-WYXZgkTR0u/Y9SVIA4nTTOih0kXMEd8RRV6MLFdL6YU8ymhR528NLlYQt1nlJQbYz4EW+ZsS0fx1awhiQJme1Q==',
             'js/zlib-1.3.1-1.js'     => 'sha512-5bU9IIP4PgBrOKLZvGWJD4kgfQrkTz8Z3Iqeu058mbQzW3mCumOU6M3UVbVZU9rrVoVwaW4cZK8U8h5xjF88eQ==',
diff --git a/lib/Controller.php b/lib/Controller.php
index 6ea852cd..915c963a 100644
--- a/lib/Controller.php
+++ b/lib/Controller.php
@@ -239,19 +239,15 @@ class Controller
     /**
      * Store new paste or comment
      *
-     * POST contains one or both:
-     * data = json encoded FormatV2 encrypted text (containing keys: iv,v,iter,ks,ts,mode,adata,cipher,salt,ct)
-     * attachment = json encoded FormatV2 encrypted text (containing keys: iv,v,iter,ks,ts,mode,adata,cipher,salt,ct)
-     *
-     * All optional data will go to meta information:
-     * expire (optional) = expiration delay (never,5min,10min,1hour,1day,1week,1month,1year,burn) (default:never)
-     * formatter (optional) = format to display the paste as (plaintext,syntaxhighlighting,markdown) (default:syntaxhighlighting)
-     * burnafterreading (optional) = if this paste may only viewed once ? (0/1) (default:0)
-     * opendiscusssion (optional) = is the discussion allowed on this paste ? (0/1) (default:0)
-     * attachmentname = json encoded FormatV2 encrypted text (containing keys: iv,v,iter,ks,ts,mode,adata,cipher,salt,ct)
-     * nickname (optional) = in discussion, encoded FormatV2 encrypted text nickname of author of comment (containing keys: iv,v,iter,ks,ts,mode,adata,cipher,salt,ct)
-     * parentid (optional) = in discussion, which comment this comment replies to.
-     * pasteid (optional) = in discussion, which paste this comment belongs to.
+     * POST contains:
+     * JSON encoded object with mandatory keys:
+     *   v = 2 (version)
+     *   adata (array)
+     *   ct (base64 encoded, encrypted text)
+     * meta (optional):
+     *   expire = expiration delay (never,5min,10min,1hour,1day,1week,1month,1year,burn) (default:1week)
+     * parentid (optional) = in discussions, which comment this comment replies to.
+     * pasteid (optional) = in discussions, which paste this comment belongs to.
      *
      * @access private
      * @return string
diff --git a/lib/Data/AbstractData.php b/lib/Data/AbstractData.php
index bc038be8..56ddf2bd 100644
--- a/lib/Data/AbstractData.php
+++ b/lib/Data/AbstractData.php
@@ -190,25 +190,4 @@ abstract class AbstractData
         }
         return $postdate;
     }
-
-    /**
-     * Upgrade pre-version 1 pastes with attachment to version 1 format.
-     *
-     * @access protected
-     * @static
-     * @param  array $paste
-     * @return array
-     */
-    protected static function upgradePreV1Format(array &$paste)
-    {
-        if (array_key_exists('attachment', $paste['meta'])) {
-            $paste['attachment'] = $paste['meta']['attachment'];
-            unset($paste['meta']['attachment']);
-            if (array_key_exists('attachmentname', $paste['meta'])) {
-                $paste['attachmentname'] = $paste['meta']['attachmentname'];
-                unset($paste['meta']['attachmentname']);
-            }
-        }
-        return $paste;
-    }
 }
diff --git a/lib/Data/Database.php b/lib/Data/Database.php
index 508555a2..8cfe557c 100644
--- a/lib/Data/Database.php
+++ b/lib/Data/Database.php
@@ -143,48 +143,20 @@ class Database extends AbstractData
     public function create($pasteid, array &$paste)
     {
         $expire_date      = 0;
-        $opendiscussion   = $burnafterreading = false;
-        $attachment       = $attachmentname   = null;
         $meta             = $paste['meta'];
-        $isVersion1       = array_key_exists('data', $paste);
         if (array_key_exists('expire_date', $meta)) {
             $expire_date = (int) $meta['expire_date'];
             unset($meta['expire_date']);
         }
-        if (array_key_exists('opendiscussion', $meta)) {
-            $opendiscussion = $meta['opendiscussion'];
-            unset($meta['opendiscussion']);
-        }
-        if (array_key_exists('burnafterreading', $meta)) {
-            $burnafterreading = $meta['burnafterreading'];
-            unset($meta['burnafterreading']);
-        }
-        if ($isVersion1) {
-            if (array_key_exists('attachment', $meta)) {
-                $attachment = $meta['attachment'];
-                unset($meta['attachment']);
-            }
-            if (array_key_exists('attachmentname', $meta)) {
-                $attachmentname = $meta['attachmentname'];
-                unset($meta['attachmentname']);
-            }
-        } else {
-            $opendiscussion   = $paste['adata'][2];
-            $burnafterreading = $paste['adata'][3];
-        }
         try {
             return $this->_exec(
                 'INSERT INTO "' . $this->_sanitizeIdentifier('paste') .
-                '" VALUES(?,?,?,?,?,?,?,?)',
+                '" VALUES(?,?,?,?)',
                 array(
                     $pasteid,
-                    $isVersion1 ? $paste['data'] : Json::encode($paste),
+                    Json::encode($paste),
                     $expire_date,
-                    (int) $opendiscussion,
-                    (int) $burnafterreading,
                     Json::encode($meta),
-                    $attachment,
-                    $attachmentname,
                 )
             );
         } catch (Exception $e) {
@@ -213,38 +185,17 @@ class Database extends AbstractData
             return false;
         }
         // create array
-        $data       = Json::decode($row['data']);
-        $isVersion2 = array_key_exists('v', $data) && $data['v'] >= 2;
-        $paste      = $isVersion2 ? $data : array('data' => $row['data']);
+        $paste = Json::decode($row['data']);
 
         try {
-            $row['meta'] = Json::decode($row['meta']);
+            $paste['meta'] = Json::decode($row['meta']);
         } catch (Exception $e) {
-            $row['meta'] = array();
+            $paste['meta'] = array();
         }
-        $row                        = self::upgradePreV1Format($row);
-        $paste['meta']              = $row['meta'];
-        $expire_date                = (int) $row['expiredate'];
+        $expire_date = (int) $row['expiredate'];
         if ($expire_date > 0) {
             $paste['meta']['expire_date'] = $expire_date;
         }
-        if ($isVersion2) {
-            return $paste;
-        }
-
-        // support v1 attachments
-        if (array_key_exists('attachment', $row) && !empty($row['attachment'])) {
-            $paste['attachment'] = $row['attachment'];
-            if (array_key_exists('attachmentname', $row) && !empty($row['attachmentname'])) {
-                $paste['attachmentname'] = $row['attachmentname'];
-            }
-        }
-        if ($row['opendiscussion']) {
-            $paste['meta']['opendiscussion'] = true;
-        }
-        if ($row['burnafterreading']) {
-            $paste['meta']['burnafterreading'] = true;
-        }
 
         return $paste;
     }
@@ -299,21 +250,14 @@ class Database extends AbstractData
      */
     public function createComment($pasteid, $parentid, $commentid, array &$comment)
     {
-        if (array_key_exists('data', $comment)) {
-            $version = 1;
-            $data    = $comment['data'];
-        } else {
-            try {
-                $version = 2;
-                $data    = Json::encode($comment);
-            } catch (Exception $e) {
-                return false;
-            }
+        try {
+            $data = Json::encode($comment);
+        } catch (Exception $e) {
+            return false;
         }
-        list($createdKey, $iconKey) = $this->_getVersionedKeys($version);
-        $meta                       = $comment['meta'];
+        $meta = $comment['meta'];
         unset($comment['meta']);
-        foreach (array('nickname', $iconKey) as $key) {
+        foreach (array('nickname', 'icon') as $key) {
             if (!array_key_exists($key, $meta)) {
                 $meta[$key] = null;
             }
@@ -328,8 +272,8 @@ class Database extends AbstractData
                     $parentid,
                     $data,
                     $meta['nickname'],
-                    $meta[$iconKey],
-                    $meta[$createdKey],
+                    $meta['icon'],
+                    $meta['created'],
                 )
             );
         } catch (Exception $e) {
@@ -355,20 +299,12 @@ class Database extends AbstractData
         $comments = array();
         if (is_array($rows) && count($rows)) {
             foreach ($rows as $row) {
-                $i    = $this->getOpenSlot($comments, (int) $row['postdate']);
-                $data = Json::decode($row['data']);
-                if (array_key_exists('v', $data) && $data['v'] >= 2) {
-                    $version      = 2;
-                    $comments[$i] = $data;
-                } else {
-                    $version      = 1;
-                    $comments[$i] = array('data' => $row['data']);
-                }
-                list($createdKey, $iconKey) = $this->_getVersionedKeys($version);
+                $i            = $this->getOpenSlot($comments, (int) $row['postdate']);
+                $comments[$i] = Json::decode($row['data']);
                 $comments[$i]['id']         = $row['dataid'];
                 $comments[$i]['parentid']   = $row['parentid'];
-                $comments[$i]['meta']       = array($createdKey => (int) $row['postdate']);
-                foreach (array('nickname' => 'nickname', 'vizhash' => $iconKey) as $rowKey => $commentKey) {
+                $comments[$i]['meta']       = array('created' => (int) $row['postdate']);
+                foreach (array('nickname' => 'nickname', 'vizhash' => 'icon') as $rowKey => $commentKey) {
                     if (array_key_exists($rowKey, $row) && !empty($row[$rowKey])) {
                         $comments[$i]['meta'][$commentKey] = $row[$rowKey];
                     }
@@ -561,21 +497,6 @@ class Database extends AbstractData
         return $result;
     }
 
-    /**
-     * get version dependent key names
-     *
-     * @access private
-     * @param  int $version
-     * @return array
-     */
-    private function _getVersionedKeys($version)
-    {
-        if ($version === 1) {
-            return array('postdate', 'vizhash');
-        }
-        return array('created', 'icon');
-    }
-
     /**
      * get table list query, depending on the database type
      *
@@ -737,16 +658,12 @@ class Database extends AbstractData
             "\"dataid\" CHAR(16) NOT NULL$main_key, " .
             "\"data\" $attachmentType, " .
             '"expiredate" INT, ' .
-            '"opendiscussion" INT, ' .
-            '"burnafterreading" INT, ' .
-            "\"meta\" $metaType, " .
-            "\"attachment\" $attachmentType, " .
-            "\"attachmentname\" $dataType$after_key )"
+            "\"meta\" $metaType$after_key )"
         );
     }
 
     /**
-     * create the paste table
+     * create the comment table
      *
      * @access private
      */
@@ -789,7 +706,7 @@ class Database extends AbstractData
     }
 
     /**
-     * create the paste table
+     * create the config table
      *
      * @access private
      */
@@ -839,6 +756,26 @@ class Database extends AbstractData
         return preg_replace('/[^A-Za-z0-9_]+/', '', $this->_prefix . $identifier);
     }
 
+    /**
+     * check if the current database type supports dropping columns
+     *
+     * @access private
+     * @return bool
+     */
+    private function _supportsDropColumn()
+    {
+        $supportsDropColumn = true;
+        if ($this->_type === 'sqlite') {
+            try {
+                $row                = $this->_select('SELECT sqlite_version() AS "v"', array(), true);
+                $supportsDropColumn = version_compare($row['v'], '3.35.0', '>=');
+            } catch (PDOException $e) {
+                $supportsDropColumn = false;
+            }
+        }
+        return $supportsDropColumn;
+    }
+
     /**
      * upgrade the database schema from an old version
      *
@@ -910,22 +847,33 @@ class Database extends AbstractData
             }
         }
         if (version_compare($oldversion, '1.7.1', '<=')) {
-            $supportsDropColumn = true;
-            if ($this->_type === 'sqlite') {
-                try {
-                    $row                = $this->_select('SELECT sqlite_version() AS "v"', array(), true);
-                    $supportsDropColumn = version_compare($row['v'], '3.35.0', '>=');
-                } catch (PDOException $e) {
-                    $supportsDropColumn = false;
-                }
-            }
-            if ($supportsDropColumn) {
+            if ($this->_supportsDropColumn()) {
                 $this->_db->exec(
                     'ALTER TABLE "' . $this->_sanitizeIdentifier('paste') .
                     '" DROP COLUMN "postdate"'
                 );
             }
         }
+        if (version_compare($oldversion, '1.7.8', '<=')) {
+            if ($this->_supportsDropColumn()) {
+                $this->_db->exec(
+                    'ALTER TABLE "' . $this->_sanitizeIdentifier('paste') .
+                    '" DROP COLUMN "opendiscussion"'
+                );
+                $this->_db->exec(
+                    'ALTER TABLE "' . $this->_sanitizeIdentifier('paste') .
+                    '" DROP COLUMN "burnafterreading"'
+                );
+                $this->_db->exec(
+                    'ALTER TABLE "' . $this->_sanitizeIdentifier('paste') .
+                    '" DROP COLUMN "attachment"'
+                );
+                $this->_db->exec(
+                    'ALTER TABLE "' . $this->_sanitizeIdentifier('paste') .
+                    '" DROP COLUMN "attachmentname"'
+                );
+            }
+        }
         $this->_exec(
             'UPDATE "' . $this->_sanitizeIdentifier('config') .
             '" SET "value" = ? WHERE "id" = ?',
diff --git a/lib/Data/Filesystem.php b/lib/Data/Filesystem.php
index 85cd2a5e..fec62c20 100644
--- a/lib/Data/Filesystem.php
+++ b/lib/Data/Filesystem.php
@@ -113,7 +113,7 @@ class Filesystem extends AbstractData
         ) {
             return false;
         }
-        return self::upgradePreV1Format($paste);
+        return $paste;
     }
 
     /**
diff --git a/lib/Data/GoogleCloudStorage.php b/lib/Data/GoogleCloudStorage.php
index e4866f46..2ab5d296 100644
--- a/lib/Data/GoogleCloudStorage.php
+++ b/lib/Data/GoogleCloudStorage.php
@@ -98,8 +98,7 @@ class GoogleCloudStorage extends AbstractData
     /**
      * Uploads the payload in the $this->_bucket under the specified key.
      * The entire payload is stored as a JSON document. The metadata is replicated
-     * as the GCS object's metadata except for the fields attachment, attachmentname
-     * and salt.
+     * as the GCS object's metadata except for the field salt.
      *
      * @param $key string to store the payload under
      * @param $payload array to store
@@ -108,7 +107,7 @@ class GoogleCloudStorage extends AbstractData
     private function _upload($key, &$payload)
     {
         $metadata = array_key_exists('meta', $payload) ? $payload['meta'] : array();
-        unset($metadata['attachment'], $metadata['attachmentname'], $metadata['salt']);
+        unset($metadata['salt']);
         foreach ($metadata as $k => $v) {
             $metadata[$k] = strval($v);
         }
diff --git a/lib/Data/S3Storage.php b/lib/Data/S3Storage.php
index d221d845..e72285f2 100644
--- a/lib/Data/S3Storage.php
+++ b/lib/Data/S3Storage.php
@@ -158,8 +158,7 @@ class S3Storage extends AbstractData
     /**
      * Uploads the payload in the $this->_bucket under the specified key.
      * The entire payload is stored as a JSON document. The metadata is replicated
-     * as the S3 object's metadata except for the fields attachment, attachmentname
-     * and salt.
+     * as the S3 object's metadata except for the field salt.
      *
      * @param $key string to store the payload under
      * @param $payload array to store
@@ -168,7 +167,7 @@ class S3Storage extends AbstractData
     private function _upload($key, &$payload)
     {
         $metadata = array_key_exists('meta', $payload) ? $payload['meta'] : array();
-        unset($metadata['attachment'], $metadata['attachmentname'], $metadata['salt']);
+        unset($metadata['salt']);
         foreach ($metadata as $k => $v) {
             $metadata[$k] = strval($v);
         }
diff --git a/lib/Model/Paste.php b/lib/Model/Paste.php
index 63233a4f..fa4288d4 100644
--- a/lib/Model/Paste.php
+++ b/lib/Model/Paste.php
@@ -22,6 +22,27 @@ use PrivateBin\Persistence\ServerSalt;
  */
 class Paste extends AbstractModel
 {
+    /**
+     * authenticated data index of paste formatter (plaintext/syntaxhighlighting/markdown)
+     *
+     * @const int
+     */
+    const ADATA_FORMATTER = 1;
+
+    /**
+     * authenticated data index of open-discussion flag (0/1)
+     *
+     * @const int
+     */
+    const ADATA_OPEN_DISCUSSION = 2;
+
+    /**
+     * authenticated data index of burn-after-reading flag (0/1)
+     *
+     * @const int
+     */
+    const ADATA_BURN_AFTER_READING = 3;
+
     /**
      * Get paste data.
      *
@@ -38,12 +59,13 @@ class Paste extends AbstractModel
 
         // check if paste has expired and delete it if necessary.
         if (array_key_exists('expire_date', $data['meta'])) {
-            if ($data['meta']['expire_date'] < time()) {
+            $now = time();
+            if ($data['meta']['expire_date'] < $now) {
                 $this->delete();
                 throw new Exception(Controller::GENERIC_ERROR, 63);
             }
             // We kindly provide the remaining time before expiration (in seconds)
-            $data['meta']['time_to_live'] = $data['meta']['expire_date'] - time();
+            $data['meta']['time_to_live'] = $data['meta']['expire_date'] - $now;
             unset($data['meta']['expire_date']);
         }
         foreach (array('created', 'postdate') as $key) {
@@ -54,8 +76,8 @@ class Paste extends AbstractModel
 
         // check if non-expired burn after reading paste needs to be deleted
         if (
-            (array_key_exists('adata', $data) && $data['adata'][3] === 1) ||
-            (array_key_exists('burnafterreading', $data['meta']) && $data['meta']['burnafterreading'])
+            array_key_exists('adata', $data) &&
+            $data['adata'][self::ADATA_BURN_AFTER_READING] === 1
         ) {
             $this->delete();
         }
@@ -205,9 +227,8 @@ class Paste extends AbstractModel
         if (!array_key_exists('adata', $this->_data) && !array_key_exists('data', $this->_data)) {
             $this->get();
         }
-        return
-            (array_key_exists('adata', $this->_data) && $this->_data['adata'][2] === 1) ||
-            (array_key_exists('opendiscussion', $this->_data['meta']) && $this->_data['meta']['opendiscussion']);
+        return array_key_exists('adata', $this->_data) &&
+            $this->_data['adata'][self::ADATA_OPEN_DISCUSSION] === 1;
     }
 
     /**
@@ -242,23 +263,26 @@ class Paste extends AbstractModel
     protected function _validate(array &$data)
     {
         // reject invalid or disabled formatters
-        if (!array_key_exists($data['adata'][1], $this->_conf->getSection('formatter_options'))) {
+        if (!array_key_exists($data['adata'][self::ADATA_FORMATTER], $this->_conf->getSection('formatter_options'))) {
             throw new Exception('Invalid data.', 75);
         }
 
         // discussion requested, but disabled in config or burn after reading requested as well, or invalid integer
         if (
-            ($data['adata'][2] === 1 && ( // open discussion flag
+            ($data['adata'][self::ADATA_OPEN_DISCUSSION] === 1 && (
                 !$this->_conf->getKey('discussion') ||
-                $data['adata'][3] === 1  // burn after reading flag
+                $data['adata'][self::ADATA_BURN_AFTER_READING] === 1
             )) ||
-            ($data['adata'][2] !== 0 && $data['adata'][2] !== 1)
+            ($data['adata'][self::ADATA_OPEN_DISCUSSION] !== 0 && $data['adata'][self::ADATA_OPEN_DISCUSSION] !== 1)
         ) {
             throw new Exception('Invalid data.', 74);
         }
 
         // reject invalid burn after reading
-        if ($data['adata'][3] !== 0 && $data['adata'][3] !== 1) {
+        if (
+            $data['adata'][self::ADATA_BURN_AFTER_READING] !== 0 &&
+            $data['adata'][self::ADATA_BURN_AFTER_READING] !== 1
+        ) {
             throw new Exception('Invalid data.', 73);
         }
     }
diff --git a/tst/Bootstrap.php b/tst/Bootstrap.php
index 8748686d..f11894fc 100644
--- a/tst/Bootstrap.php
+++ b/tst/Bootstrap.php
@@ -39,22 +39,6 @@ class Helper
      */
     private static $pasteid = '5b65a01b43987bc2';
 
-    /**
-     * example paste version 1
-     *
-     * @var array
-     */
-    private static $pasteV1 = array(
-        'data'           => '{"iv":"EN39/wd5Nk8HAiSG2K5AsQ","v":1,"iter":1000,"ks":128,"ts":64,"mode":"ccm","adata":"","cipher":"aes","salt":"QKN1DBXe5PI","ct":"8hA83xDdXjD7K2qfmw5NdA"}',
-        'attachment'     => '{"iv":"Pd4pOKWkmDTT9uPwVwd5Ag","v":1,"iter":1000,"ks":128,"ts":64,"mode":"ccm","adata":"","cipher":"aes","salt":"ZIUhFTliVz4","ct":"6nOCU3peNDclDDpFtJEBKA"}',
-        'attachmentname' => '{"iv":"76MkAtOGC4oFogX/aSMxRA","v":1,"iter":1000,"ks":128,"ts":64,"mode":"ccm","adata":"","cipher":"aes","salt":"ZIUhFTliVz4","ct":"b6Ae/U1xJdsX/+lATud4sQ"}',
-        'meta'           => array(
-            'formatter'      => 'plaintext',
-            'postdate'       => 1344803344,
-            'opendiscussion' => true,
-        ),
-    );
-
     /**
      * example paste version 2
      *
@@ -91,17 +75,13 @@ class Helper
     private static $commentid = '5a52eebf11c4c94b';
 
     /**
-     * example comment
+     * example comment meta data
      *
      * @var array
      */
-    private static $commentV1 = array(
-        'data' => '{"iv":"Pd4pOKWkmDTT9uPwVwd5Ag","v":1,"iter":1000,"ks":128,"ts":64,"mode":"ccm","adata":"","cipher":"aes","salt":"ZIUhFTliVz4","ct":"6nOCU3peNDclDDpFtJEBKA"}',
-        'meta' => array(
-            'nickname' => '{"iv":"76MkAtOGC4oFogX/aSMxRA","v":1,"iter":1000,"ks":128,"ts":64,"mode":"ccm","adata":"","cipher":"aes","salt":"ZIUhFTliVz4","ct":"b6Ae/U1xJdsX/+lATud4sQ"}',
-            'vizhash'  => 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAABGUlEQVQokWOsl5/94983CNKQMjnxaOePf98MeKwPfNjkLZ3AgARab6b9+PeNEVnDj3/ff/z7ZiHnzsDA8Pv7H2TVPJw8EAYLAwb48OaVgIgYKycLsrYv378wMDB8//qdCVMDRA9EKSsnCwRBxNsepaLboMFlyMDAICAi9uHNK24GITQ/MDAwoNhgIGMLtwGrzegaLjw5jMz9+vUdnN17uwDCQDhJgk0O07yvX9+teDX1x79v6DYIsIjgcgMaYGFgYOBg4kJx2JejkAiBxAw+PzAwMNz4dp6wDXDw4MdNNOl0rWYsNkD89OLXI/xmo9sgzatJjAYmBgYGDiauD3/ePP18nVgb4MF89+M5ZX6js293wUMpnr8KTQMAxsCJnJ30apMAAAAASUVORK5CYII=',
-            'postdate' => 1344803528,
-        ),
+    private static $commentV2 = array(
+        'icon'    => 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAABGUlEQVQokWOsl5/94983CNKQMjnxaOePf98MeKwPfNjkLZ3AgARab6b9+PeNEVnDj3/ff/z7ZiHnzsDA8Pv7H2TVPJw8EAYLAwb48OaVgIgYKycLsrYv378wMDB8//qdCVMDRA9EKSsnCwRBxNsepaLboMFlyMDAICAi9uHNK24GITQ/MDAwoNhgIGMLtwGrzegaLjw5jMz9+vUdnN17uwDCQDhJgk0O07yvX9+teDX1x79v6DYIsIjgcgMaYGFgYOBg4kJx2JejkAiBxAw+PzAwMNz4dp6wDXDw4MdNNOl0rWYsNkD89OLXI/xmo9sgzatJjAYmBgYGDiauD3/ePP18nVgb4MF89+M5ZX6js293wUMpnr8KTQMAxsCJnJ30apMAAAAASUVORK5CYII=',
+        'created' => 1344803528,
     );
 
     /**
@@ -124,30 +104,12 @@ class Helper
     /**
      * get example paste, as stored on server
      *
-     * @param  int $version
      * @param  array $meta
      * @return array
      */
-    public static function getPaste($version = 2, array $meta = array()): array
+    public static function getPaste(array $meta = array()): array
     {
-        $example = self::getPasteWithAttachment($version, $meta);
-        // v1 has the attachment stored in a separate property
-        if ($version === 1) {
-            unset($example['attachment'], $example['attachmentname']);
-        }
-        return $example;
-    }
-
-    /**
-     * get example paste with attachment, as stored on server
-     *
-     * @param  int $version
-     * @param  array $meta
-     * @return array
-     */
-    public static function getPasteWithAttachment($version = 2, array $meta = array()): array
-    {
-        $example                 = $version === 1 ? self::$pasteV1 : self::$pasteV2;
+        $example                 = self::$pasteV2;
         $example['meta']['salt'] = ServerSalt::generate();
         $example['meta']         = array_merge($example['meta'], $meta);
         return $example;
@@ -156,31 +118,25 @@ class Helper
     /**
      * get example paste, as decoded from POST by the request object
      *
-     * @param  int $version
      * @param  array $meta
      * @return array
      */
-    public static function getPastePost($version = 2, array $meta = array()): array
+    public static function getPastePost(array $meta = array()): array
     {
-        $example         = self::getPaste($version, $meta);
-        if ($version == 2) {
-            $example['meta'] = array('expire' => $example['meta']['expire']);
-        } else {
-            unset($example['meta']['postdate']);
-        }
+        $example         = self::getPaste($meta);
+        $example['meta'] = array('expire' => $example['meta']['expire']);
         return $example;
     }
 
     /**
      * get example paste, as received via POST by the user
      *
-     * @param  int $version
      * @param  array $meta
      * @return string
      */
-    public static function getPasteJson($version = 2, array $meta = array()): string
+    public static function getPasteJson(array $meta = array()): string
     {
-        return json_encode(self::getPastePost($version, $meta));
+        return json_encode(self::getPastePost($meta));
     }
 
     /**
@@ -196,20 +152,16 @@ class Helper
     /**
      * get example comment, as stored on server
      *
-     * @param  int $version
      * @param  array $meta
      * @return array
      */
-    public static function getComment($version = 2, array $meta = array()): array
+    public static function getComment(array $meta = array()): array
     {
-        $example         = $version === 1 ? self::$commentV1 : self::$pasteV2;
-        if ($version === 2) {
-            $example['adata']           = $example['adata'][0];
-            $example['pasteid']         = $example['parentid']         = self::getPasteId();
-            $example['meta']['created'] = self::$commentV1['meta']['postdate'];
-            $example['meta']['icon']    = self::$commentV1['meta']['vizhash'];
-            unset($example['meta']['expire']);
-        }
+        $example            = self::$pasteV2;
+        $example['adata']   = $example['adata'][0];
+        $example['pasteid'] = $example['parentid'] = self::getPasteId();
+        unset($example['meta']['expire']);
+        $example['meta'] = array_merge($example['meta'], self::$commentV2);
         $example['meta'] = array_merge($example['meta'], $meta);
         return $example;
     }
@@ -217,7 +169,6 @@ class Helper
     /**
      * get example comment, as decoded from POST by the request object
      *
-     * @param  int $version
      * @return array
      */
     public static function getCommentPost(): array
@@ -230,7 +181,6 @@ class Helper
     /**
      * get example comment, as received via POST by user
      *
-     * @param  int $version
      * @return string
      */
     public static function getCommentJson(): string
diff --git a/tst/ControllerTest.php b/tst/ControllerTest.php
index 1cc62c74..a3ebb652 100644
--- a/tst/ControllerTest.php
+++ b/tst/ControllerTest.php
@@ -201,7 +201,7 @@ class ControllerTest extends TestCase
         $options                     = parse_ini_file(CONF, true);
         $options['traffic']['limit'] = 0;
         Helper::createIniFile(CONF, $options);
-        $paste = Helper::getPasteJson(2, array('expire' => 25));
+        $paste = Helper::getPasteJson(array('expire' => 25));
         $file  = tempnam(sys_get_temp_dir(), 'FOO');
         file_put_contents($file, $paste);
         Request::setInputStream($file);
@@ -379,7 +379,7 @@ class ControllerTest extends TestCase
         $options                     = parse_ini_file(CONF, true);
         $options['traffic']['limit'] = 0;
         Helper::createIniFile(CONF, $options);
-        $paste = Helper::getPasteJson(2, array('expire' => 'foo'));
+        $paste = Helper::getPasteJson(array('expire' => 'foo'));
         $file  = tempnam(sys_get_temp_dir(), 'FOO');
         file_put_contents($file, $paste);
         Request::setInputStream($file);
@@ -510,7 +510,7 @@ class ControllerTest extends TestCase
         $options['traffic']['limit'] = 0;
         Helper::createIniFile(CONF, $options);
         $file = tempnam(sys_get_temp_dir(), 'FOO');
-        file_put_contents($file, Helper::getPasteJson(1));
+        file_put_contents($file, '{"data":"","meta":{}}');
         Request::setInputStream($file);
         $_SERVER['HTTP_X_REQUESTED_WITH'] = 'JSONHttpRequest';
         $_SERVER['REQUEST_METHOD']        = 'POST';
@@ -696,7 +696,7 @@ class ControllerTest extends TestCase
      */
     public function testReadExpired()
     {
-        $expiredPaste = Helper::getPaste(2, array('expire_date' => 1344803344));
+        $expiredPaste = Helper::getPaste(array('expire_date' => 1344803344));
         $this->_data->create(Helper::getPasteId(), $expiredPaste);
         $_SERVER['QUERY_STRING']          = Helper::getPasteId();
         $_GET[Helper::getPasteId()]       = '';
@@ -767,37 +767,6 @@ class ControllerTest extends TestCase
         $this->assertEquals(0, $response['comment_offset'], 'outputs comment_offset correctly');
     }
 
-    /**
-     * @runInSeparateProcess
-     */
-    public function testReadOldSyntax()
-    {
-        $paste         = Helper::getPaste(1);
-        $paste['meta'] = array(
-            'syntaxcoloring' => true,
-            'postdate'       => $paste['meta']['postdate'],
-            'opendiscussion' => $paste['meta']['opendiscussion'],
-        );
-        $this->_data->create(Helper::getPasteId(), $paste);
-        $_SERVER['QUERY_STRING']          = Helper::getPasteId();
-        $_GET[Helper::getPasteId()]       = '';
-        $_SERVER['HTTP_X_REQUESTED_WITH'] = 'JSONHttpRequest';
-        ob_start();
-        new Controller;
-        $content = ob_get_contents();
-        ob_end_clean();
-        $response = json_decode($content, true);
-        $this->assertEquals(0, $response['status'], 'outputs success status');
-        $this->assertEquals(Helper::getPasteId(), $response['id'], 'outputs data correctly');
-        $this->assertStringEndsWith('?' . $response['id'], $response['url'], 'returned URL points to new paste');
-        $this->assertEquals($paste['data'], $response['data'], 'outputs data correctly');
-        $this->assertEquals('syntaxhighlighting', $response['meta']['formatter'], 'outputs format correctly');
-        $this->assertFalse(array_key_exists('postdate', $response['meta']), 'does not output postdate');
-        $this->assertEquals($paste['meta']['opendiscussion'], $response['meta']['opendiscussion'], 'outputs opendiscussion correctly');
-        $this->assertEquals(0, $response['comment_count'], 'outputs comment_count correctly');
-        $this->assertEquals(0, $response['comment_offset'], 'outputs comment_offset correctly');
-    }
-
     /**
      * @runInSeparateProcess
      */
@@ -933,7 +902,7 @@ class ControllerTest extends TestCase
      */
     public function testDeleteExpired()
     {
-        $expiredPaste = Helper::getPaste(2, array('expire_date' => 1000));
+        $expiredPaste = Helper::getPaste(array('expire_date' => 1000));
         $this->assertFalse($this->_data->exists(Helper::getPasteId()), 'paste does not exist before being created');
         $this->_data->create(Helper::getPasteId(), $expiredPaste);
         $this->assertTrue($this->_data->exists(Helper::getPasteId()), 'paste exists before deleting data');
diff --git a/tst/Data/DatabaseTest.php b/tst/Data/DatabaseTest.php
index d76ea6ec..303d780b 100644
--- a/tst/Data/DatabaseTest.php
+++ b/tst/Data/DatabaseTest.php
@@ -60,8 +60,8 @@ class DatabaseTest extends TestCase
         $this->assertEquals($paste, $this->_model->read(Helper::getPasteId()));
 
         // storing comments
-        $comment1             = Helper::getComment(1);
-        $comment2             = Helper::getComment(2);
+        $comment1             = Helper::getComment();
+        $comment2             = Helper::getComment();
         $meta1                = $comment1['meta'];
         $meta2                = $comment2['meta'];
         $this->assertFalse($this->_model->existsComment(Helper::getPasteId(), Helper::getPasteId(), Helper::getCommentId()), 'v1 comment does not yet exist');
@@ -78,7 +78,7 @@ class DatabaseTest extends TestCase
         $comment2['meta']     = $meta2;
         $this->assertEquals(
             array(
-                $comment1['meta']['postdate']       => $comment1,
+                $comment1['meta']['created']        => $comment1,
                 $comment2['meta']['created'] . '.1' => $comment2,
             ),
             $this->_model->readComments(Helper::getPasteId())
@@ -95,11 +95,8 @@ class DatabaseTest extends TestCase
     {
         // this assumes a version 1 formatted paste
         $this->_model->delete(Helper::getPasteId());
-        $original                          = $paste                                = Helper::getPasteWithAttachment(1, array('expire_date' => 1344803344));
+        $original                          = $paste                                = Helper::getPaste(array('expire_date' => 1344803344));
         $paste['meta']['burnafterreading'] = $original['meta']['burnafterreading'] = true;
-        $paste['meta']['attachment']       = $paste['attachment'];
-        $paste['meta']['attachmentname']   = $paste['attachmentname'];
-        unset($paste['attachment'], $paste['attachmentname']);
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $paste), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
@@ -113,8 +110,8 @@ class DatabaseTest extends TestCase
     public function testPurge()
     {
         $this->_model->delete(Helper::getPasteId());
-        $expired = Helper::getPaste(2, array('expire_date' => 1344803344));
-        $paste   = Helper::getPaste(2, array('expire_date' => time() + 3600));
+        $expired = Helper::getPaste(array('expire_date' => 1344803344));
+        $paste   = Helper::getPaste(array('expire_date' => time() + 3600));
         $keys    = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'x', 'y', 'z');
         $ids     = array();
         foreach ($keys as $key) {
@@ -145,7 +142,7 @@ class DatabaseTest extends TestCase
     public function testErrorDetection()
     {
         $this->_model->delete(Helper::getPasteId());
-        $paste = Helper::getPaste(2, array('expire' => "Invalid UTF-8 sequence: \xB1\x31"));
+        $paste = Helper::getPaste(array('expire' => "Invalid UTF-8 sequence: \xB1\x31"));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertFalse($this->_model->create(Helper::getPasteId(), $paste), 'unable to store broken paste');
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does still not exist');
@@ -155,7 +152,7 @@ class DatabaseTest extends TestCase
     {
         $this->_model->delete(Helper::getPasteId());
         $data    = Helper::getPaste();
-        $comment = Helper::getComment(2, array('nickname' => "Invalid UTF-8 sequence: \xB1\x31"));
+        $comment = Helper::getComment(array('icon' => "Invalid UTF-8 sequence: \xB1\x31"));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $data), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
@@ -263,91 +260,6 @@ class DatabaseTest extends TestCase
         new Database($options);
     }
 
-    public function testOldAttachments()
-    {
-        mkdir($this->_path);
-        $path = $this->_path . DIRECTORY_SEPARATOR . 'attachement-test.sq3';
-        if (is_file($path)) {
-            unlink($path);
-        }
-        $this->_options['dsn'] = 'sqlite:' . $path;
-        $this->_options['tbl'] = 'bar_';
-        $model                 = new Database($this->_options);
-
-        $original               = $paste = Helper::getPasteWithAttachment(1, array('expire_date' => 1344803344));
-        $meta                   = $paste['meta'];
-        $meta['attachment']     = $paste['attachment'];
-        $meta['attachmentname'] = $paste['attachmentname'];
-        unset($paste['attachment'], $paste['attachmentname']);
-
-        $db = new PDO(
-            $this->_options['dsn'],
-            $this->_options['usr'],
-            $this->_options['pwd'],
-            $this->_options['opt']
-        );
-        $statement = $db->prepare('INSERT INTO bar_paste VALUES(?,?,?,?,?,?,?,?)');
-        $statement->execute(
-            array(
-                Helper::getPasteId(),
-                $paste['data'],
-                $paste['meta']['expire_date'],
-                0,
-                0,
-                json_encode($meta),
-                null,
-                null,
-            )
-        );
-        $statement->closeCursor();
-
-        $this->assertTrue($model->exists(Helper::getPasteId()), 'paste exists after storing it');
-        $this->assertEquals($original, $model->read(Helper::getPasteId()));
-
-        Helper::rmDir($this->_path);
-    }
-
-    public function testCorruptMeta()
-    {
-        mkdir($this->_path);
-        $path = $this->_path . DIRECTORY_SEPARATOR . 'meta-test.sq3';
-        if (is_file($path)) {
-            unlink($path);
-        }
-        $this->_options['dsn'] = 'sqlite:' . $path;
-        $this->_options['tbl'] = 'baz_';
-        $model                 = new Database($this->_options);
-        $paste                 = Helper::getPaste(1, array('expire_date' => 1344803344));
-        unset($paste['meta']['formatter'], $paste['meta']['opendiscussion'], $paste['meta']['postdate'], $paste['meta']['salt']);
-        $model->delete(Helper::getPasteId());
-
-        $db = new PDO(
-            $this->_options['dsn'],
-            $this->_options['usr'],
-            $this->_options['pwd'],
-            $this->_options['opt']
-        );
-        $statement = $db->prepare('INSERT INTO baz_paste VALUES(?,?,?,?,?,?,?,?)');
-        $statement->execute(
-            array(
-                Helper::getPasteId(),
-                $paste['data'],
-                $paste['meta']['expire_date'],
-                0,
-                0,
-                '{',
-                null,
-                null,
-            )
-        );
-        $statement->closeCursor();
-
-        $this->assertTrue($model->exists(Helper::getPasteId()), 'paste exists after storing it');
-        $this->assertEquals($paste, $model->read(Helper::getPasteId()));
-
-        Helper::rmDir($this->_path);
-    }
-
     public function testTableUpgrade()
     {
         mkdir($this->_path);
diff --git a/tst/Data/FilesystemTest.php b/tst/Data/FilesystemTest.php
index 49ffe954..507b4f5f 100644
--- a/tst/Data/FilesystemTest.php
+++ b/tst/Data/FilesystemTest.php
@@ -37,7 +37,7 @@ class FilesystemTest extends TestCase
         $this->_model->delete(Helper::getPasteId());
 
         // storing pastes
-        $paste = Helper::getPaste(2, array('expire_date' => 1344803344));
+        $paste = Helper::getPaste(array('expire_date' => 1344803344));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $paste), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
@@ -67,10 +67,7 @@ class FilesystemTest extends TestCase
     public function testFileBasedAttachmentStoreWorks()
     {
         $this->_model->delete(Helper::getPasteId());
-        $original                        = $paste = Helper::getPasteWithAttachment(1, array('expire_date' => 1344803344));
-        $paste['meta']['attachment']     = $paste['attachment'];
-        $paste['meta']['attachmentname'] = $paste['attachmentname'];
-        unset($paste['attachment'], $paste['attachmentname']);
+        $original = $paste = Helper::getPaste(array('expire_date' => 1344803344));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $paste), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
@@ -84,8 +81,8 @@ class FilesystemTest extends TestCase
     public function testPurge()
     {
         mkdir($this->_path . DIRECTORY_SEPARATOR . '00', 0777, true);
-        $expired = Helper::getPaste(2, array('expire_date' => 1344803344));
-        $paste   = Helper::getPaste(2, array('expire_date' => time() + 3600));
+        $expired = Helper::getPaste(array('expire_date' => 1344803344));
+        $paste   = Helper::getPaste(array('expire_date' => time() + 3600));
         $keys    = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'x', 'y', 'z');
         $ids     = array();
         foreach ($keys as $key) {
@@ -115,7 +112,7 @@ class FilesystemTest extends TestCase
     public function testErrorDetection()
     {
         $this->_model->delete(Helper::getPasteId());
-        $paste = Helper::getPaste(2, array('expire' => "Invalid UTF-8 sequence: \xB1\x31"));
+        $paste = Helper::getPaste(array('expire' => "Invalid UTF-8 sequence: \xB1\x31"));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertFalse($this->_model->create(Helper::getPasteId(), $paste), 'unable to store broken paste');
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does still not exist');
@@ -126,7 +123,7 @@ class FilesystemTest extends TestCase
     {
         $this->_model->delete(Helper::getPasteId());
         $data    = Helper::getPaste();
-        $comment = Helper::getComment(1, array('nickname' => "Invalid UTF-8 sequence: \xB1\x31"));
+        $comment = Helper::getComment(array('icon' => "Invalid UTF-8 sequence: \xB1\x31"));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $data), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
diff --git a/tst/Data/GoogleCloudStorageTest.php b/tst/Data/GoogleCloudStorageTest.php
index 42a32c2f..dde19dd4 100644
--- a/tst/Data/GoogleCloudStorageTest.php
+++ b/tst/Data/GoogleCloudStorageTest.php
@@ -50,7 +50,7 @@ class GoogleCloudStorageTest extends TestCase
         $this->_model->delete(Helper::getPasteId());
 
         // storing pastes
-        $paste = Helper::getPaste(2, array('expire_date' => 1344803344));
+        $paste = Helper::getPaste(array('expire_date' => 1344803344));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $paste), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
@@ -82,8 +82,8 @@ class GoogleCloudStorageTest extends TestCase
      */
     public function testPurge()
     {
-        $expired = Helper::getPaste(2, array('expire_date' => 1344803344));
-        $paste   = Helper::getPaste(2, array('expire_date' => time() + 3600));
+        $expired = Helper::getPaste(array('expire_date' => 1344803344));
+        $paste   = Helper::getPaste(array('expire_date' => time() + 3600));
         $keys    = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'x', 'y', 'z');
         $ids     = array();
         foreach ($keys as $key) {
@@ -113,7 +113,7 @@ class GoogleCloudStorageTest extends TestCase
     public function testErrorDetection()
     {
         $this->_model->delete(Helper::getPasteId());
-        $paste = Helper::getPaste(2, array('expire' => "Invalid UTF-8 sequence: \xB1\x31"));
+        $paste = Helper::getPaste(array('expire' => "Invalid UTF-8 sequence: \xB1\x31"));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertFalse($this->_model->create(Helper::getPasteId(), $paste), 'unable to store broken paste');
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does still not exist');
@@ -123,7 +123,7 @@ class GoogleCloudStorageTest extends TestCase
     {
         $this->_model->delete(Helper::getPasteId());
         $data    = Helper::getPaste();
-        $comment = Helper::getComment(1, array('nickname' => "Invalid UTF-8 sequence: \xB1\x31"));
+        $comment = Helper::getComment(array('icon' => "Invalid UTF-8 sequence: \xB1\x31"));
         $this->assertFalse($this->_model->exists(Helper::getPasteId()), 'paste does not yet exist');
         $this->assertTrue($this->_model->create(Helper::getPasteId(), $data), 'store new paste');
         $this->assertTrue($this->_model->exists(Helper::getPasteId()), 'paste exists after storing it');
diff --git a/tst/ModelTest.php b/tst/ModelTest.php
index 301856bc..00cc378e 100644
--- a/tst/ModelTest.php
+++ b/tst/ModelTest.php
@@ -103,57 +103,6 @@ class ModelTest extends TestCase
         $this->assertEquals(array(), $paste->getComments(), 'comment was deleted with paste');
     }
 
-    public function testPasteV1()
-    {
-        $pasteData = Helper::getPaste(1);
-        unset($pasteData['meta']['formatter']);
-
-        $path = $this->_path . DIRECTORY_SEPARATOR . 'v1-test.sq3';
-        if (is_file($path)) {
-            unlink($path);
-        }
-        $options                   = parse_ini_file(CONF_SAMPLE, true);
-        $options['purge']['limit'] = 0;
-        $options['model']          = array(
-            'class' => 'Database',
-        );
-        $options['model_options'] = array(
-            'dsn' => 'sqlite:' . $path,
-            'usr' => null,
-            'pwd' => null,
-            'opt' => array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION),
-        );
-        Helper::createIniFile(CONF, $options);
-        $model = new Model(new Configuration);
-        $model->getPaste('0000000000000000')->exists(); // triggers database table creation
-        $model->getPaste(Helper::getPasteId())->delete(); // deletes the cache
-
-        $db = new PDO(
-            $options['model_options']['dsn'],
-            $options['model_options']['usr'],
-            $options['model_options']['pwd'],
-            $options['model_options']['opt']
-        );
-        $statement = $db->prepare('INSERT INTO paste VALUES(?,?,?,?,?,?,?,?)');
-        $statement->execute(
-            array(
-                Helper::getPasteId(),
-                $pasteData['data'],
-                0,
-                0,
-                0,
-                json_encode($pasteData['meta']),
-                null,
-                null,
-            )
-        );
-        $statement->closeCursor();
-
-        $paste = $model->getPaste(Helper::getPasteId());
-        $this->assertNotEmpty($paste->getDeleteToken(), 'excercise the condition to load the data from storage');
-        $this->assertEquals('plaintext', $paste->get()['meta']['formatter'], 'paste got created with default formatter');
-    }
-
     public function testCommentDefaults()
     {
         $class   = 'PrivateBin\\Data\\' . $this->_conf->getKey('class', 'model');
@@ -428,8 +377,8 @@ class ModelTest extends TestCase
         $conf  = new Configuration;
         $store = new Database($conf->getSection('model_options'));
         $store->delete(Helper::getPasteId());
-        $expired = Helper::getPaste(2, array('expire_date' => 1344803344));
-        $paste   = Helper::getPaste(2, array('expire_date' => time() + 3600));
+        $expired = Helper::getPaste(array('expire_date' => 1344803344));
+        $paste   = Helper::getPaste(array('expire_date' => time() + 3600));
         $keys    = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'x', 'y', 'z');
         $ids     = array();
         foreach ($keys as $key) {