diff --git a/amd/build/configure_block.min.js b/amd/build/configure_block.min.js
index ba3e197..0126a95 100644
--- a/amd/build/configure_block.min.js
+++ b/amd/build/configure_block.min.js
@@ -1,2 +1,11 @@
-define ("block_dashboardchart/configure_block",["exports","jquery"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(){function a(){var a=(0,b.default)("#id_config_dashboardcharttype :selected").val();if("grades"==a){document.getElementById("courseleaderboard_configs").style.display="block"}else{document.getElementById("courseleaderboard_configs").style.display="none"}}a();(0,b.default)("#id_config_dashboardcharttype").on("change",function(){a()})};a.init=c});
-//# sourceMappingURL=configure_block.min.js.map
+define("block_dashboardchart/configure_block",["exports","jquery"],(function(_exports,_jquery){var obj;
+/**
+   * Edit form class
+   *
+   * @package    block_dashboardchart
+   * @copyright  2022 Brain Station 23 Ltd.
+   * @author     Brain Station 23 Ltd.
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.init=function(){function mangeCourseInputField(){(0,_jquery.default)("#id_config_dashboardcharttype :selected").val()}mangeCourseInputField(),(0,_jquery.default)("#id_config_dashboardcharttype").on("change",(function(){mangeCourseInputField()}))}}));
+
+//# sourceMappingURL=configure_block.min.js.map
\ No newline at end of file
diff --git a/amd/build/configure_block.min.js.map b/amd/build/configure_block.min.js.map
index 88883b6..411e0fc 100644
--- a/amd/build/configure_block.min.js.map
+++ b/amd/build/configure_block.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/configure_block.js"],"names":["init","mangeCourseInputField","dbcharttype","val","document","getElementById","style","display","on"],"mappings":"8JAwBA,uDAEO,GAAMA,CAAAA,CAAI,CAAG,UAAM,CAIxB,QAASC,CAAAA,CAAT,EAAiC,CAC/B,GAAIC,CAAAA,CAAW,CAAG,cAAE,yCAAF,EAA6CC,GAA7C,EAAlB,CACA,GAAmB,QAAf,EAAAD,CAAJ,CAA6B,CAC3BE,QAAQ,CAACC,cAAT,CAAwB,2BAAxB,EAAqDC,KAArD,CAA2DC,OAA3D,CACE,OACH,CAHD,IAGO,CACLH,QAAQ,CAACC,cAAT,CAAwB,2BAAxB,EAAqDC,KAArD,CAA2DC,OAA3D,CACE,MACH,CACF,CACDN,CAAqB,GAErB,cAAE,+BAAF,EAAmCO,EAAnC,CAAsC,QAAtC,CAAgD,UAAY,CAC1DP,CAAqB,EACtB,CAFD,CAGD,CAnBM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Edit form class\n *\n * * @package    block_dashboardchart\n *  * @copyright  2021 Brain Station 23\n *  * @author     Brainstation23\n *  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from \"jquery\";\n\nexport const init = () => {\n  /**\n   * Manage course input\n   */\n  function mangeCourseInputField() {\n    var dbcharttype = $(\"#id_config_dashboardcharttype :selected\").val();\n    if (dbcharttype == \"grades\") {\n      document.getElementById(\"courseleaderboard_configs\").style.display =\n        \"block\";\n    } else {\n      document.getElementById(\"courseleaderboard_configs\").style.display =\n        \"none\";\n    }\n  }\n  mangeCourseInputField();\n\n  $(\"#id_config_dashboardcharttype\").on(\"change\", function () {\n    mangeCourseInputField();\n  });\n};\n"],"file":"configure_block.min.js"}
\ No newline at end of file
+{"version":3,"file":"configure_block.min.js","sources":["../src/configure_block.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Edit form class\n *\n * @package    block_dashboardchart\n * @copyright  2022 Brain Station 23 Ltd.\n * @author     Brain Station 23 Ltd.\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from \"jquery\";\n\nexport const init = () => {\n  /**\n   * Manage course input\n   */\n  function mangeCourseInputField() {\n    var dbcharttype = $(\"#id_config_dashboardcharttype :selected\").val();\n  }\n  mangeCourseInputField();\n\n  $(\"#id_config_dashboardcharttype\").on(\"change\", function () {\n    mangeCourseInputField();\n  });\n};\n"],"names":["_jquery","mangeCourseInputField","$","val","on"],"mappings":";;;;;;;;kFAwBAA,aAAAA,yDAEoB,WAIlB,SAASC,yBACW,EAAAC,QAAAA,SAAE,2CAA2CC,KAChE,CACDF,yBAEA,EAAAC,QAAAA,SAAE,iCAAiCE,GAAG,UAAU,WAC9CH"}
\ No newline at end of file
diff --git a/amd/src/configure_block.js b/amd/src/configure_block.js
index 72b5651..64828ed 100644
--- a/amd/src/configure_block.js
+++ b/amd/src/configure_block.js
@@ -30,13 +30,6 @@ export const init = () => {
    */
   function mangeCourseInputField() {
     var dbcharttype = $("#id_config_dashboardcharttype :selected").val();
-    if (dbcharttype == "grades") {
-      document.getElementById("courseleaderboard_configs").style.display =
-        "block";
-    } else {
-      document.getElementById("courseleaderboard_configs").style.display =
-        "none";
-    }
   }
   mangeCourseInputField();
 
diff --git a/block_dashboardchart.php b/block_dashboardchart.php
index a73085a..8f4f183 100644
--- a/block_dashboardchart.php
+++ b/block_dashboardchart.php
@@ -100,8 +100,6 @@ public function make_custom_content() {
                 $dashboardtype = $this->make_category_course_table($datalimit);
             } else if ($this->config->dashboardcharttype == 'login') {
                 $dashboardtype = $this->make_login_table($datalimit);
-            } else if ($this->config->dashboardcharttype == 'grades') {
-                $dashboardtype = $this->make_course_grade_table($datalimit);
             } else if ($this->config->dashboardcharttype == 'active_courses') {
                 $dashboardtype = $this->make_most_active_courses_table($datalimit);
             } else {
@@ -262,53 +260,6 @@ public function make_course_student_table($datalimit) {
             get_string('mostactive_desc', 'block_dashboardchart'));
     }
 
-    /**
-     * Getting data within a limit
-     * @param int $datalimit
-     * @return string
-     * @throws dml_exception
-     */
-    public function make_course_grade_table($datalimit) {
-        global $DB, $USER;
-
-        $courseid = $this->config->courseid;
-        if ($courseid == null) {
-            return 'select a course to show grade data';
-        }
-        $userid = $USER->id;
-        $sql = "SELECT round(gg.rawgrade,2) as grade, gi.itemname
-                FROM {grade_grades} as gg
-                JOIN {grade_items} as gi on gi.courseid={$courseid}
-                WHERE gg.itemid=gi.id AND gg.userid={$userid} AND (gg.rawgrade) is not null";
-
-        $records = $DB->get_records_sql($sql, null, 0, $datalimit);
-
-        $series = [];
-        $labels = [];
-
-        foreach ($records as $data) {
-            $series[] = $data->grade;
-        }
-
-        $sql = "SELECT itemname FROM {grade_items} where courseid={$courseid} and itemname is not null";
-
-        $records = $DB->get_records_sql($sql, null, 0, $datalimit);
-
-        foreach ($records as $data) {
-            $labels[] = $data->itemname;
-        }
-        while (count($series) < count($labels)) {
-            $series[] = 0;
-        }
-
-        $sql = "SELECT fullname FROM {course} where id={$courseid}";
-        $coursename = $DB->get_record_sql($sql, null, 0, $datalimit);
-
-        return $this->display_graph($series, $labels,
-            get_string('earnedgrades', 'block_dashboardchart'),
-            $coursename->fullname);
-    }
-
     /**
      * Display graph.
      * @param  float[] $seriesvalue
diff --git a/edit_form.php b/edit_form.php
index 0a32a7f..438629b 100644
--- a/edit_form.php
+++ b/edit_form.php
@@ -54,7 +54,6 @@ protected function specific_definition($mform) {
         $dashboardcharttype[""] = get_string('dashboardcharttype:select', 'block_dashboardchart');
         $dashboardcharttype["coursewiseenrollment"] = get_string('dashboardcharttype:coursewiseenrollment', 'block_dashboardchart');
         $dashboardcharttype["category"] = get_string('dashboardcharttype:category', 'block_dashboardchart');
-        $dashboardcharttype["grades"] = get_string('dashboardcharttype:grades', 'block_dashboardchart');
         $dashboardcharttype["active_courses"] = get_string('dashboardcharttype:active_courses', 'block_dashboardchart');
         if (is_siteadmin($USER->id)) {
             $dashboardcharttype["login"] = get_string('dashboardcharttype:login', 'block_dashboardchart');
diff --git a/lang/en/block_dashboardchart.php b/lang/en/block_dashboardchart.php
index 9d0e5f2..fed1efa 100644
--- a/lang/en/block_dashboardchart.php
+++ b/lang/en/block_dashboardchart.php
@@ -52,12 +52,11 @@
 $string['dashboardcharttype:discussionpost'] = 'Forum Discussion Leaderboard';
 $string['dashboardcharttype:category'] = 'Courses in category';
 $string['dashboardcharttype:login'] = 'Logins per day';
-$string['dashboardcharttype:grades'] = 'Show grade';
 $string['dashboardcharttype:active_courses'] = 'Most Active courses';
 $string['dashboardcharttype:learner_teacher'] = 'Learners and teachers enrolled per category';
 
-$string['earnedgrades'] = 'Earned Grades';
 $string['graphtype'] = 'Select preferred Graph type:';
+$string['gradedata'] = 'select a course to show grade data';
 $string['horizontal'] = 'Horizontal Bar';
 $string['leaderboardtypewarning'] = 'Something wrong';
 $string['line'] = 'Line Chart';