diff --git a/.gitignore b/.gitignore
index 59492093ad..0c05e127de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,8 +32,6 @@ web.config
 /twig-templates/
 # Backups
 *~
-# Javascript line counts
-/js/line_counts.php
 # API documentation
 /apidoc/
 /doc/linkcheck/
diff --git a/doc/faq.rst b/doc/faq.rst
index 591e912220..e8c0458e2b 100644
--- a/doc/faq.rst
+++ b/doc/faq.rst
@@ -686,7 +686,7 @@ A list of files and corresponding functionality which degrade gracefully when re
 * :file:`./locale/` folder, or unused subfolders (interface translations)
 * Any unused themes in :file:`./themes/`
 * :file:`./js/vendor/jquery/src/` (included for licensing reasons)
-* :file:`./js/line_counts.php`
+* :file:`./js/line_counts.php` (removed in phpMyAdmin 4.8)
 * :file:`./doc/` (documentation)
 * :file:`./setup/` (setup script)
 * :file:`./examples/`
diff --git a/js/ajax.js b/js/ajax.js
index 011980b646..da1e37e892 100644
--- a/js/ajax.js
+++ b/js/ajax.js
@@ -534,9 +534,10 @@ var AJAX = {
         _scriptsToBeLoaded: [],
         /**
          * @var array _scriptsToBeFired The list of files for which
-         *                              to fire the onload event
+         *                              to fire the onload and unload events
          */
         _scriptsToBeFired: [],
+        _scriptsCompleted: false,
         /**
          * Records that a file has been downloaded
          *
@@ -572,7 +573,7 @@ var AJAX = {
                 self._scripts = [];
                 self._scriptsVersion = PMA_commonParams.get('PMA_VERSION');
             }
-            self._scriptsToBeLoaded = [];
+            self._scriptsCompleted = false;
             self._scriptsToBeFired = [];
             for (var i in files) {
                 self._scriptsToBeLoaded.push(files[i].name);
@@ -580,64 +581,60 @@ var AJAX = {
                     self._scriptsToBeFired.push(files[i].name);
                 }
             }
-            // Generate a request string
-            var request = [];
-            var needRequest = false;
-            for (var index in self._scriptsToBeLoaded) {
-                var script = self._scriptsToBeLoaded[index];
+            for (var i in files) {
+                var script = files[i].name;
                 // Only for scripts that we don't already have
                 if ($.inArray(script, self._scripts) === -1) {
-                    needRequest = true;
                     this.add(script);
-                    request.push('scripts%5B%5D=' + script);
-                    if (request.length >= 10) {
-                        // Download scripts in chunks
-                        this.appendScript(request);
-                        request = [];
-                        needRequest = false;
-                    }
+                    this.appendScript(script, callback);
+                } else {
+                    self.done(script, callback);
                 }
             }
-            request.push('call_done=1');
-            request.push('v=' + encodeURIComponent(PMA_commonParams.get('PMA_VERSION')));
-            // Download the composite js file, if necessary
-            if (needRequest) {
-                this.appendScript(request);
-            } else {
-                self.done(callback);
-            }
+            // Trigger callback if there is nothing to load
+            self.done(null, callback);
         },
         /**
          * Called whenever all files are loaded
          *
          * @return void
          */
-        done: function (callback) {
-            if ($.isFunction(callback)) {
-                callback();
-            }
+        done: function (script, callback) {
             if (typeof ErrorReport !== 'undefined') {
                 ErrorReport.wrap_global_functions();
             }
-            for (var i in this._scriptsToBeFired) {
-                AJAX.fireOnload(this._scriptsToBeFired[i]);
+            if ($.inArray(script, this._scriptsToBeFired)) {
+                AJAX.fireOnload(script);
+            }
+            if ($.inArray(script, this._scriptsToBeLoaded)) {
+                this._scriptsToBeLoaded.splice($.inArray(script, this._scriptsToBeLoaded), 1);
+            }
+            if (script === null) {
+                this._scriptsCompleted = true;
+            }
+            /* We need to wait for last signal (with null) or last script load */
+            AJAX.active = (this._scriptsToBeLoaded.length > 0) || ! this._scriptsCompleted;
+            /* Run callback on last script */
+            if (! AJAX.active && $.isFunction(callback)) {
+                callback();
             }
-            AJAX.active = false;
         },
         /**
          * Appends a script element to the head to load the scripts
          *
          * @return void
          */
-        appendScript: function (request) {
+        appendScript: function (name, callback) {
             var head = document.head || document.getElementsByTagName('head')[0];
             var script = document.createElement('script');
+            var self = this;
 
-            request.push('call_done=1');
-            request.push('v=' + encodeURIComponent(PMA_commonParams.get('PMA_VERSION')));
             script.type = 'text/javascript';
-            script.src = 'js/get_scripts.js.php?' + request.join('&');
+            script.src = 'js/' + name + '?' + 'v=' + encodeURIComponent(PMA_commonParams.get('PMA_VERSION'));
             script.async = false;
+            script.onload = function () {
+                self.done(name, callback);
+            };
             head.appendChild(script);
         },
         /**
diff --git a/js/get_scripts.js.php b/js/get_scripts.js.php
deleted file mode 100644
index 2605ff9f6e..0000000000
--- a/js/get_scripts.js.php
+++ /dev/null
@@ -1,72 +0,0 @@
-<?php
-/* vim: set expandtab sw=4 ts=4 sts=4: */
-/**
- * Concatenates several js files to reduce the number of
- * http requests sent to the server
- *
- * @package PhpMyAdmin
- */
-
-if (! isset($_GET['scripts'])) {
-    die('Missing parameter');
-}
-
-if (!defined('TESTSUITE')) {
-    chdir('..');
-
-    // Close session early as we won't write anything there
-    session_write_close();
-
-    // Send correct type
-    header('Content-Type: text/javascript; charset=UTF-8');
-    // Enable browser cache for 1 hour
-    header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT');
-
-    // When a token is not presented, even though whitelisted arrays are removed
-    // in PMA_removeRequestVars(). This is a workaround for that.
-    $_GET['scripts'] = json_encode($_GET['scripts']);
-
-    // Avoid loading the full common.inc.php because this would add many
-    // non-js-compatible stuff like DOCTYPE
-    define('PMA_MINIMUM_COMMON', true);
-    define('PMA_PATH_TO_BASEDIR', '../');
-    require_once './libraries/common.inc.php';
-}
-
-$buffer = PhpMyAdmin\OutputBuffering::getInstance();
-$buffer->start();
-if (!defined('TESTSUITE')) {
-    register_shutdown_function(
-        function () {
-            echo PhpMyAdmin\OutputBuffering::getInstance()->getContents();
-        }
-    );
-}
-
-$_GET['scripts'] = json_decode($_GET['scripts']);
-if (! empty($_GET['scripts']) && is_array($_GET['scripts'])) {
-    // Only up to 10 scripts as this is what we generate
-    foreach (array_slice($_GET['scripts'], 0, 10) as $script) {
-        // Sanitise filename
-        $script_name = 'js';
-
-        $path = explode("/", $script);
-        foreach ($path as $filename) {
-            // Allow alphanumeric, "." and "-" chars only, no files starting
-            // with .
-            if (preg_match("@^[\w][\w\.-]+$@", $filename)) {
-                $script_name .= DIRECTORY_SEPARATOR . $filename;
-            }
-        }
-
-        // Output file contents
-        if (preg_match("@\.js$@", $script_name) && is_readable($script_name)) {
-            readfile($script_name);
-            echo ";\n\n";
-        }
-    }
-}
-
-if (isset($_GET['call_done'])) {
-    echo "AJAX.scriptHandler.done();";
-}
diff --git a/libraries/classes/Controllers/Database/DatabaseStructureController.php b/libraries/classes/Controllers/Database/DatabaseStructureController.php
index 196afb5b29..ef51e52165 100644
--- a/libraries/classes/Controllers/Database/DatabaseStructureController.php
+++ b/libraries/classes/Controllers/Database/DatabaseStructureController.php
@@ -119,6 +119,7 @@ class DatabaseStructureController extends DatabaseController
             array(
                 'db_structure.js',
                 'tbl_change.js',
+                'vendor/jquery/jquery.validate.js',
                 'vendor/jquery/jquery-ui-timepicker-addon.js'
             )
         );
diff --git a/libraries/classes/Controllers/Table/TableSearchController.php b/libraries/classes/Controllers/Table/TableSearchController.php
index 63f1971fd5..8d0677f48d 100644
--- a/libraries/classes/Controllers/Table/TableSearchController.php
+++ b/libraries/classes/Controllers/Table/TableSearchController.php
@@ -201,6 +201,7 @@ class TableSearchController extends TableController
                         'sql.js',
                         'tbl_select.js',
                         'tbl_change.js',
+                        'vendor/jquery/jquery.validate.js',
                         'vendor/jquery/jquery-ui-timepicker-addon.js',
                         'vendor/jquery/jquery.uitablefilter.js',
                         'gis_data_editor.js',
@@ -239,6 +240,7 @@ class TableSearchController extends TableController
                         'vendor/jqplot/plugins/jqplot.highlighter.js',
                         'vendor/jqplot/plugins/jqplot.cursor.js',
                         'vendor/jquery/jquery-ui-timepicker-addon.js',
+                        'vendor/jquery/jquery.validate.js',
                         'tbl_zoom_plot_jqplot.js',
                         'tbl_change.js',
                     )
diff --git a/libraries/classes/ErrorReport.php b/libraries/classes/ErrorReport.php
index 6bc29d14e5..976b7bbb06 100644
--- a/libraries/classes/ErrorReport.php
+++ b/libraries/classes/ErrorReport.php
@@ -188,89 +188,6 @@ class ErrorReport
         return $response;
     }
 
-    /**
-     * Returns number of lines in given javascript file.
-     *
-     * @param string $filename javascript filename
-     *
-     * @return Number of lines
-     *
-     * @todo Should gracefully handle non existing files
-     */
-    public static function countLines($filename)
-    {
-        /**
-         * The generated file that contains the line numbers for the js files
-         * If you change any of the js files you can run the scripts/line-counts.sh
-         */
-        if (is_readable('js/line_counts.php')) {
-            include_once 'js/line_counts.php';
-        }
-
-        global $LINE_COUNT;
-        if (defined('LINE_COUNTS')) {
-            return $LINE_COUNT[$filename];
-        }
-
-        // ensure that the file is inside the phpMyAdmin folder
-        $depath = 1;
-        foreach (explode('/', $filename) as $part) {
-            if ($part == '..') {
-                $depath--;
-            } elseif ($part != '.' || $part === '') {
-                $depath++;
-            }
-            if ($depath < 0) {
-                return 0;
-            }
-        }
-
-        $linecount = 0;
-        $handle = fopen('./js/' . $filename, 'r');
-        while (!feof($handle)) {
-            $line = fgets($handle);
-            if ($line === false) {
-                break;
-            }
-            $linecount++;
-        }
-        fclose($handle);
-        return $linecount;
-    }
-
-    /**
-     * returns the translated line number and the file name from the cumulative line
-     * number and an array of files
-     *
-     * uses the $LINE_COUNT global array of file names and line numbers
-     *
-     * @param array   $filenames         list of files in order of concatenation
-     * @param Integer $cumulative_number the cumulative line number in the
-     *                                   concatenated files
-     *
-     * @return array the filename and line number
-     * Returns two variables in an array:
-     * - A String $filename the filename where the requested cumulative number
-     *   exists
-     * - Integer $linenumber the translated line number in the returned file
-     */
-    public static function getLineNumber(array $filenames, $cumulative_number)
-    {
-        $cumulative_sum = 0;
-        foreach ($filenames as $filename) {
-            $filecount = self::countLines($filename);
-            if ($cumulative_number <= $cumulative_sum + $filecount + 2) {
-                $linenumber = $cumulative_number - $cumulative_sum;
-                break;
-            }
-            $cumulative_sum += $filecount + 2;
-        }
-        if (! isset($filename)) {
-            $filename = '';
-        }
-        return array($filename, $linenumber);
-    }
-
     /**
      * translates the cumulative line numbers in the stack trace as well as sanitize
      * urls and trim long lines in the context
@@ -287,19 +204,10 @@ class ErrorReport
                     $line = mb_substr($line, 0, 75) . "//...";
                 }
             }
-            if (preg_match("<js/get_scripts.js.php\?(.*)>", $level["url"], $matches)) {
-                parse_str($matches[1], $vars);
-                List($file_name, $line_number) = self::getLineNumber(
-                    $vars["scripts"], $level["line"]
-                );
-                $level["filename"] = $file_name;
-                $level["line"] = $line_number;
-            } else {
-                unset($level["context"]);
-                List($uri, $script_name) = self::sanitizeUrl($level["url"]);
-                $level["uri"] = $uri;
-                $level["scriptname"] = $script_name;
-            }
+            unset($level["context"]);
+            List($uri, $script_name) = self::sanitizeUrl($level["url"]);
+            $level["uri"] = $uri;
+            $level["scriptname"] = $script_name;
             unset($level["url"]);
         }
         unset($level);
diff --git a/libraries/classes/Header.php b/libraries/classes/Header.php
index 8a3cbdac24..3981be2a04 100644
--- a/libraries/classes/Header.php
+++ b/libraries/classes/Header.php
@@ -184,7 +184,7 @@ class Header
         // Here would not be a good place to add CodeMirror because
         // the user preferences have not been merged at this point
 
-        $this->_scripts->addFile('messages.php', false, array('l' => $GLOBALS['lang']));
+        $this->_scripts->addFile('messages.php', array('l' => $GLOBALS['lang']));
         // Append the theme id to this url to invalidate
         // the cache on a theme change. Though this might be
         // unavailable for fatal errors.
diff --git a/libraries/classes/InsertEdit.php b/libraries/classes/InsertEdit.php
index 860aa13f94..d58f354a3c 100644
--- a/libraries/classes/InsertEdit.php
+++ b/libraries/classes/InsertEdit.php
@@ -1871,6 +1871,9 @@ class InsertEdit
             $response = Response::getInstance();
             $header = $response->getHeader();
             $scripts = $header->getScripts();
+            $scripts->addFile('vendor/jquery/jquery-ui-timepicker-addon.js');
+            $scripts->addFile('vendor/jquery/jquery.validate.js');
+            $scripts->addFile('vendor/jquery/additional-methods.js');
             $scripts->addFile('tbl_change.js');
             if (!defined('TESTSUITE')) {
                 include 'tbl_change.php';
diff --git a/libraries/classes/Scripts.php b/libraries/classes/Scripts.php
index 81bcbbc818..58aaf238a0 100644
--- a/libraries/classes/Scripts.php
+++ b/libraries/classes/Scripts.php
@@ -44,42 +44,19 @@ class Scripts
      */
     private function _includeFiles(array $files)
     {
-        $first = [];
-        $result = [];
-        $scripts = array();
-        $separator = Url::getArgSeparator();
+        $result = '';
         foreach ($files as $value) {
             if (strpos($value['filename'], ".php") !== false) {
                 $file_name = $value['filename'] . Url::getCommon($value['params'] + array('v' => PMA_VERSION));
-                if ($value['before_statics'] === true) {
-                    $first[]
-                        = "<script data-cfasync='false' type='text/javascript' "
-                        . "src='js/" . $file_name . "'></script>";
-                } else {
-                    $result[] = "<script data-cfasync='false' "
-                        . "type='text/javascript' src='js/" . $file_name
-                        . "'></script>";
-                }
+                $result .= "<script data-cfasync='false' "
+                    . "type='text/javascript' src='js/" . $file_name
+                    . "'></script>\n";
             } else {
-                $scripts[] = "scripts%5B%5D=" . $value['filename'];
+                $result .= '<script data-cfasync="false" type="text/javascript" src="js/'
+                    .  $value['filename'] . '?' . Header::getVersionParameter() . '"></script>' . "\n";
             }
         }
-        $separator = Url::getArgSeparator();
-        // Using chunks of 10 files to avoid too long URLs
-        // as some servers are set to 512 bytes URL limit
-        $script_chunks = array_chunk($scripts, 10);
-        foreach ($script_chunks as $script_chunk) {
-            $url = 'js/get_scripts.js.php?'
-                . implode($separator, $script_chunk)
-                . $separator . Header::getVersionParameter();
-
-            $result[] = sprintf(
-                '<script data-cfasync="false" type="text/javascript" src="%s">' .
-                '</script>',
-                htmlspecialchars($url)
-            );
-        }
-        return implode("\n", $first) . implode("\n", $result);
+        return $result;
     }
 
     /**
@@ -97,15 +74,12 @@ class Scripts
      * Adds a new file to the list of scripts
      *
      * @param string $filename       The name of the file to include
-     * @param bool   $before_statics Whether this dynamic script should be
-     *                               included before the static ones
      * @param array  $params         Additional parameters to pass to the file
      *
      * @return void
      */
     public function addFile(
         $filename,
-        $before_statics = false,
         array $params = array()
     ) {
         $hash = md5($filename);
@@ -118,7 +92,6 @@ class Scripts
             'has_onload' => $has_onload,
             'filename' => $filename,
             'params' => $params,
-            'before_statics' => $before_statics
         );
     }
 
diff --git a/scripts/line-counts.sh b/scripts/line-counts.sh
deleted file mode 100755
index c4657ca097..0000000000
--- a/scripts/line-counts.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-
-# Do not run as CGI
-if [ -n "$GATEWAY_INTERFACE" ] ; then
-    echo 'Can not invoke as CGI!'
-    exit 1
-fi
-
-cat > js/line_counts.php <<EOF
-<?php
-/* vim: set expandtab sw=4 ts=4 sts=4: */
-/**
- * An autogenerated file that stores the line counts of javascript files
- *
- * @package PhpMyAdmin
- */
-
-if (! defined('PHPMYADMIN')) {
-    exit;
-}
-
-define('LINE_COUNTS', true);
-\$LINE_COUNT = array();
-EOF
-
-php_code=""
-for file in `find js -name '*.js'` ; do
-  lc=`wc -l $file | sed 's/\([0-9]*\).*/\1/'`
-  file=${file:3}
-  entry="\$LINE_COUNT['$file'] = $lc;"
-  php_code="$php_code\n$entry"
-done
-echo -e $php_code >> js/line_counts.php
diff --git a/tbl_replace.php b/tbl_replace.php
index 7c704ac21d..69c5ba0e71 100644
--- a/tbl_replace.php
+++ b/tbl_replace.php
@@ -454,6 +454,9 @@ if (! empty($return_to_sql_query)) {
     $GLOBALS['sql_query'] = $return_to_sql_query;
 }
 
+$scripts->addFile('vendor/jquery/jquery-ui-timepicker-addon.js');
+$scripts->addFile('vendor/jquery/jquery.validate.js');
+$scripts->addFile('vendor/jquery/additional-methods.js');
 $scripts->addFile('tbl_change.js');
 
 $active_page = $goto_include;
diff --git a/test/classes/InsertEditTest.php b/test/classes/InsertEditTest.php
index 44eea3babd..a5d4e5784a 100644
--- a/test/classes/InsertEditTest.php
+++ b/test/classes/InsertEditTest.php
@@ -1842,7 +1842,7 @@ class InsertEditTest extends TestCase
             ->setMethods(array('addFile'))
             ->getMock();
 
-        $scriptsMock->expects($this->once())
+        $scriptsMock->expects($this->exactly(4))
             ->method('addFile');
 
         $headerMock = $this->getMockBuilder('PhpMyAdmin\Header')
diff --git a/test/classes/ScriptsTest.php b/test/classes/ScriptsTest.php
index 54c196621e..d793c236af 100644
--- a/test/classes/ScriptsTest.php
+++ b/test/classes/ScriptsTest.php
@@ -77,8 +77,7 @@ class ScriptsTest extends PmaTestCase
     {
         $this->assertEquals(
             '<script data-cfasync="false" type="text/javascript" '
-            . 'src="js/get_scripts.js.php?'
-            . 'scripts%5B%5D=common.js&amp;v=' . PMA_VERSION . '"></script>',
+            . 'src="js/common.js?v=' . PMA_VERSION . '"></script>' . "\n",
             $this->_callPrivateFunction(
                 '_includeFiles',
                 array(
@@ -105,8 +104,7 @@ class ScriptsTest extends PmaTestCase
 
         $this->assertRegExp(
             '@<script data-cfasync="false" type="text/javascript" '
-            . 'src="js/get_scripts.js.php\\?'
-            . 'scripts%5B%5D=common.js&amp;v=' . PMA_VERSION . '"></script>'
+            . 'src="js/common.js\?v=' . PMA_VERSION . '"></script>' . "\n"
             . '<script data-cfasync="false" type="text/'
             . 'javascript">// <!\\[CDATA\\[' . "\n"
             . 'AJAX.scriptHandler.add\\("common.js",1\\);' . "\n"
@@ -180,7 +178,6 @@ $(function() {});
             $hash => array(
                 'has_onload' => 1,
                 'filename' => 'common.js',
-                'before_statics' => false,
                 'params' => array(),
             )
         );
@@ -209,13 +206,11 @@ $(function() {});
             'd7716810d825f4b55d18727c3ccb24e6' => array(
                 'has_onload' => 1,
                 'filename' => 'common.js',
-                'before_statics' => false,
                 'params' => array(),
             ),
             '347a57484fcd6ea6d8a125e6e1d31f78' => array(
                 'has_onload' => 1,
                 'filename' => 'sql.js',
-                'before_statics' => false,
                 'params' => array(),
             ),
         );
diff --git a/test/libraries/Files_test.php b/test/libraries/Files_test.php
index 546e20108e..97c0c6c6a6 100644
--- a/test/libraries/Files_test.php
+++ b/test/libraries/Files_test.php
@@ -68,7 +68,6 @@ class FilesTest extends TestCase
         return array(
             array('js/whitelist.php', 'var PMA_gotoWhitelist'),
             array('js/messages.php', 'var PMA_messages = new Array();'),
-            array('js/get_scripts.js.php', 'var AJAX'),
         );
     }
 }