diff --git a/admin/settings/badges.php b/admin/settings/badges.php
index 0ea51937c78..2451390dcbd 100644
--- a/admin/settings/badges.php
+++ b/admin/settings/badges.php
@@ -100,10 +100,11 @@ if (($hassiteconfig || has_any_capability(array(
             new lang_string('allowexternalbackpack', 'badges'),
             new lang_string('allowexternalbackpack_desc', 'badges'), 1));
 
+    $bp = $DB->get_record('badge_external_backpack', ['backpackweburl' => BADGRIO_BACKPACKWEBURL]);
     $backpacksettings->add(new admin_setting_configselect('badges_site_backpack',
             new lang_string('sitebackpack', 'badges'),
             new lang_string('sitebackpack_help', 'badges'),
-            1, $choices));
+            $bp->id, $choices));
 
     $warning = badges_verify_site_backpack();
     if (!empty($warning)) {
diff --git a/badges/tests/badgeslib_test.php b/badges/tests/badgeslib_test.php
index 1e379e81b82..d3d35417f96 100644
--- a/badges/tests/badgeslib_test.php
+++ b/badges/tests/badgeslib_test.php
@@ -75,6 +75,10 @@ class core_badges_badgeslib_testcase extends advanced_testcase {
 
         $this->badgeid = $DB->insert_record('badge', $fordb, true);
 
+        // Set the default Issuer (because OBv2 needs them).
+        set_config('badges_defaultissuername', $fordb->issuername);
+        set_config('badges_defaultissuercontact', $fordb->issuercontact);
+
         // Create a course with activity and auto completion tracking.
         $this->course = $this->getDataGenerator()->create_course(array('enablecompletion' => true));
         $this->user = $this->getDataGenerator()->create_user();
@@ -670,7 +674,7 @@ class core_badges_badgeslib_testcase extends advanced_testcase {
 
         // Get assertion.
         $award = reset($awards);
-        $assertion = new core_badges_assertion($award->uniquehash);
+        $assertion = new core_badges_assertion($award->uniquehash, OPEN_BADGES_V1);
         $testassertion = $this->assertion;
 
         // Make sure JSON strings have the same structure.
diff --git a/badges/tests/behat/add_badge.feature b/badges/tests/behat/add_badge.feature
index c2a4c00b487..81ecdb70591 100644
--- a/badges/tests/behat/add_badge.feature
+++ b/badges/tests/behat/add_badge.feature
@@ -16,8 +16,9 @@ Feature: Add badges to the system
     And I press "Save changes"
     And I follow "Badges"
     When I follow "Add a new badge"
-    Then the field "issuercontact" matches value "testuser@example.com"
-    And the field "issuername" matches value "Test Badge Site"
+    And I press "Issuer details"
+    Then I should see "testuser@example.com"
+    And I should see "Test Badge Site"
 
   @javascript
   Scenario: Accessing the badges
@@ -38,8 +39,6 @@ Feature: Add badges to the system
       | Description | Test badge description |
       | Image author | http://author.example.com |
       | Image caption | Test caption image |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     When I press "Create badge"
     Then I should see "Edit details"
@@ -62,8 +61,6 @@ Feature: Add badges to the system
       | Description | Test badge related description |
       | Image author | http://author.example.com |
       | Image caption | Test caption image |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I wait until the page is ready
@@ -77,8 +74,6 @@ Feature: Add badges to the system
       | Description | Test badge description |
       | Image author | http://author.example.com |
       | Image caption | Test caption image |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I follow "Related badges (0)"
@@ -101,8 +96,6 @@ Feature: Add badges to the system
       | Description | Test badge description |
       | Image author | http://author.example.com |
       | Image caption | Test caption image |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     When I press "Create badge"
     Then I should see "Edit details"
@@ -127,8 +120,6 @@ Feature: Add badges to the system
       | Description | Test badge description |
       | Image author | http://author.example.com |
       | Image caption | Test caption image |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     When I press "Create badge"
     Then I should see "Test Badge"
@@ -161,8 +152,6 @@ Feature: Add badges to the system
       | Description | Test badge description |
       | Image author | http://author.example.com |
       | Image caption | Test caption image |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     Then I should see "Edit details"
diff --git a/badges/tests/behat/award_badge.feature b/badges/tests/behat/award_badge.feature
index 079b2c6fc8d..313a9a55da4 100644
--- a/badges/tests/behat/award_badge.feature
+++ b/badges/tests/behat/award_badge.feature
@@ -25,7 +25,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge 1 |
       | Description | Course badge 1 description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
@@ -43,7 +42,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge 2 |
       | Description | Course badge 2 description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     # Set "course badge 1" as criteria
@@ -102,8 +100,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Profile Badge |
       | Description | Test badge description |
-      | issuername | Test Badge Site |
-      | issuercontact | testuser@example.com |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Profile completion"
@@ -140,7 +136,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
@@ -183,7 +178,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
@@ -235,7 +229,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Activity completion"
@@ -290,7 +283,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Course completion"
@@ -340,7 +332,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge 1 |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
@@ -366,7 +357,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge 2 |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
@@ -423,7 +413,6 @@ Feature: Award badges
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
diff --git a/badges/tests/behat/award_badge_groups.feature b/badges/tests/behat/award_badge_groups.feature
index 90683b37b6e..67c5b6e7b28 100644
--- a/badges/tests/behat/award_badge_groups.feature
+++ b/badges/tests/behat/award_badge_groups.feature
@@ -41,7 +41,6 @@ Feature: Award badges with separate groups
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
diff --git a/badges/tests/behat/criteria_activity.feature b/badges/tests/behat/criteria_activity.feature
index b71fcea4de8..55f92548f46 100644
--- a/badges/tests/behat/criteria_activity.feature
+++ b/badges/tests/behat/criteria_activity.feature
@@ -40,7 +40,6 @@ Feature: Award badges based on activity completion
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Activity completion"
diff --git a/badges/tests/behat/criteria_cohort.feature b/badges/tests/behat/criteria_cohort.feature
index e4971440ea8..e0578debdf7 100644
--- a/badges/tests/behat/criteria_cohort.feature
+++ b/badges/tests/behat/criteria_cohort.feature
@@ -23,7 +23,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -59,7 +58,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -100,7 +98,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -137,7 +134,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -188,7 +184,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -245,7 +240,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -302,7 +296,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -360,7 +353,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge 1 |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -373,7 +365,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge 2 |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -415,7 +406,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge 1 |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
@@ -430,7 +420,6 @@ Feature: Award badges based on cohort
     And I set the following fields to these values:
       | Name | Site Badge 2 |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Cohort membership"
diff --git a/badges/tests/behat/criteria_competency.feature b/badges/tests/behat/criteria_competency.feature
index 88bc30a5e14..f84cf828683 100644
--- a/badges/tests/behat/criteria_competency.feature
+++ b/badges/tests/behat/criteria_competency.feature
@@ -44,7 +44,6 @@ Feature: Award badges based on competency completion
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     # Set the competency as a criteria for the badge
@@ -89,7 +88,6 @@ Feature: Award badges based on competency completion
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     # Set the competency as a criteria for the badge
@@ -142,7 +140,6 @@ Feature: Award badges based on competency completion
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     # Set the competency as a criteria for the badge
diff --git a/badges/tests/behat/criteria_profile.feature b/badges/tests/behat/criteria_profile.feature
index 14cc5b517e6..93be0eddaab 100644
--- a/badges/tests/behat/criteria_profile.feature
+++ b/badges/tests/behat/criteria_profile.feature
@@ -14,7 +14,6 @@ Feature: Award badges based on user profile field
     And I set the following fields to these values:
       | Name | Site Badge |
       | Description | Site badge description |
-      | issuername | Tester of site badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Profile completion"
diff --git a/badges/tests/behat/role_visibility.feature b/badges/tests/behat/role_visibility.feature
index e89489b5530..036ff5d060b 100644
--- a/badges/tests/behat/role_visibility.feature
+++ b/badges/tests/behat/role_visibility.feature
@@ -26,7 +26,6 @@ Feature: Test role visibility for the badge administration page
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the field "type" to "Manual issue by role"
@@ -42,7 +41,6 @@ Feature: Test role visibility for the badge administration page
     And I set the following fields to these values:
       | Name | Course Badge |
       | Description | Course badge description |
-      | issuername | Tester of course badge |
     And I upload "badges/tests/behat/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I set the following fields to these values:
diff --git a/badges/upgrade.txt b/badges/upgrade.txt
index ef6f89241fa..5a9feb60aa6 100644
--- a/badges/upgrade.txt
+++ b/badges/upgrade.txt
@@ -1,5 +1,9 @@
 This files describes API changes in /badges/*,
 information provided here is intended especially for developers.
+
+=== 3.9 ===
+* BADGE_BACKPACKAPIURL and BADGE_BACKPACKWEBURL are deprecated and should not be used.
+
 === 3.7 ===
 * BADGE_BACKPACKURL is deprecated and should not be used.
 * Incorrect term "badge competencies" has been refactored to "alignments" everywhere.
diff --git a/badges/upgradelib.php b/badges/upgradelib.php
index d1acd8ba05b..7ce5b001566 100644
--- a/badges/upgradelib.php
+++ b/badges/upgradelib.php
@@ -33,23 +33,6 @@ defined('MOODLE_INTERNAL') || die();
 function badges_install_default_backpacks() {
     global $DB;
 
-    $record = new stdClass();
-    $record->backpackweburl = 'https://backpack.openbadges.org';
-    $record->backpackapiurl = 'https://backpack.openbadges.org';
-    $record->apiversion = 1;
-    $record->sortorder = 0;
-    $record->password = '';
-
-    if (!($bp = $DB->get_record('badge_external_backpack', array('backpackapiurl' => $record->backpackapiurl)))) {
-        $bpid = $DB->insert_record('badge_external_backpack', $record);
-    } else {
-        $bpid = $bp->id;
-    }
-    set_config('badges_site_backpack', $bpid);
-
-    // All existing backpacks default to V1.
-    $DB->set_field('badge_backpack', 'externalbackpackid', $bpid);
-
     $record = new stdClass();
     $record->backpackapiurl = 'https://api.badgr.io/v2';
     $record->backpackweburl = 'https://badgr.io';
@@ -57,9 +40,16 @@ function badges_install_default_backpacks() {
     $record->sortorder = 1;
     $record->password = '';
 
-    if (!$DB->record_exists('badge_external_backpack', array('backpackapiurl' => $record->backpackapiurl))) {
-        $DB->insert_record('badge_external_backpack', $record);
+    $bp = $DB->get_record('badge_external_backpack', ['backpackapiurl' => $record->backpackapiurl]);
+    if ($bp) {
+        $bpid = $bp->id;
+    } else {
+        $bpid = $DB->insert_record('badge_external_backpack', $record);
     }
 
+    set_config('badges_site_backpack', $bpid);
+
+    // Set external backpack to v2.
+    $DB->set_field('badge_backpack', 'externalbackpackid', $bpid);
 }
 
diff --git a/blocks/badges/tests/behat/block_badges_course.feature b/blocks/badges/tests/behat/block_badges_course.feature
index cc739afb96e..32d1626dba9 100644
--- a/blocks/badges/tests/behat/block_badges_course.feature
+++ b/blocks/badges/tests/behat/block_badges_course.feature
@@ -21,7 +21,6 @@ Feature: Enable Block Badges in a course
     And I set the following fields to these values:
       | id_name | Badge 1 |
       | id_description | Badge 1 |
-      | id_issuername | Teacher 1 |
     And I upload "blocks/badges/tests/fixtures/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I select "Manual issue by role" from the "Add badge criteria" singleselect
@@ -39,7 +38,6 @@ Feature: Enable Block Badges in a course
     And I set the following fields to these values:
       | id_name | Badge 2 |
       | id_description | Badge 2 |
-      | id_issuername | Teacher 1 |
     And I upload "blocks/badges/tests/fixtures/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I select "Manual issue by role" from the "Add badge criteria" singleselect
diff --git a/blocks/badges/tests/behat/block_badges_dashboard.feature b/blocks/badges/tests/behat/block_badges_dashboard.feature
index 45d10c71070..fe21e468f6e 100644
--- a/blocks/badges/tests/behat/block_badges_dashboard.feature
+++ b/blocks/badges/tests/behat/block_badges_dashboard.feature
@@ -21,7 +21,6 @@ Feature: Enable Block Badges on the dashboard and view awarded badges
     And I set the following fields to these values:
       | id_name | Badge 1 |
       | id_description | Badge 1 |
-      | id_issuername | Teacher 1 |
     And I upload "blocks/badges/tests/fixtures/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I select "Manual issue by role" from the "Add badge criteria" singleselect
diff --git a/blocks/badges/tests/behat/block_badges_frontpage.feature b/blocks/badges/tests/behat/block_badges_frontpage.feature
index 89a99deb78d..388f4a30eb9 100644
--- a/blocks/badges/tests/behat/block_badges_frontpage.feature
+++ b/blocks/badges/tests/behat/block_badges_frontpage.feature
@@ -26,7 +26,6 @@ Feature: Enable Block Badges on the frontpage and view awarded badges
     And I set the following fields to these values:
       | id_name | Badge 1 |
       | id_description | Badge 1 |
-      | id_issuername | Teacher 1 |
     And I upload "blocks/badges/tests/fixtures/badge.png" file to "Image" filemanager
     And I press "Create badge"
     And I select "Manual issue by role" from the "Add badge criteria" singleselect
diff --git a/lib/badgeslib.php b/lib/badgeslib.php
index 6d58efafd10..4fc5e65a73b 100644
--- a/lib/badgeslib.php
+++ b/lib/badgeslib.php
@@ -96,8 +96,6 @@ define('BADGE_MESSAGE_MONTHLY', 4);
 /*
  * URL of backpack. Custom ones can be added.
  */
-define('BADGE_BACKPACKAPIURL', 'https://backpack.openbadges.org');
-define('BADGE_BACKPACKWEBURL', 'https://backpack.openbadges.org');
 define('BADGRIO_BACKPACKAPIURL', 'https://api.badgr.io/v2');
 define('BADGRIO_BACKPACKWEBURL', 'https://badgr.io');
 
@@ -106,6 +104,12 @@ define('BADGRIO_BACKPACKWEBURL', 'https://badgr.io');
  */
 define('BADGE_BACKPACKURL', 'https://backpack.openbadges.org');
 
+/*
+ * @deprecated since 3.9 (MDL-66357).
+ */
+define('BADGE_BACKPACKAPIURL', 'https://backpack.openbadges.org');
+define('BADGE_BACKPACKWEBURL', 'https://backpack.openbadges.org');
+
 /*
  * Open Badges specifications.
  */
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index 6ce95684d97..8fb38d4d312 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -2212,5 +2212,40 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2020013000.01);
     }
 
+    if ($oldversion < 2020040200.01) {
+        // Remove deprecated Mozilla OpenBadges backpack.
+        $url = 'https://backpack.openbadges.org';
+        $bp = $DB->get_record('badge_external_backpack', ['backpackapiurl' => $url]);
+        if ($bp) {
+            // Remove connections for users to this backpack.
+            $sql = "SELECT DISTINCT bb.id
+                      FROM {badge_backpack} bb
+                 LEFT JOIN {badge_external} be ON be. backpackid = bb.externalbackpackid
+                     WHERE bb.externalbackpackid = :backpackid";
+            $params = ['backpackid' => $bp->id];
+            $externalbackpacks = $DB->get_fieldset_sql($sql, $params);
+            if ($externalbackpacks) {
+                list($sql, $params) = $DB->get_in_or_equal($externalbackpacks);
+
+                // Delete user external collections references to this backpack.
+                $DB->execute("DELETE FROM {badge_external} WHERE backpackid " . $sql, $params);
+            }
+            $DB->delete_records('badge_backpack', ['externalbackpackid' => $bp->id]);
+
+            // Delete deprecated backpack entry.
+            $DB->delete_records('badge_external_backpack', ['backpackapiurl' => $url]);
+        }
+
+        // Set active external backpack to Badgr.io.
+        $url = 'https://api.badgr.io/v2';
+        if ($bp = $DB->get_record('badge_external_backpack', ['backpackapiurl' => $url])) {
+            set_config('badges_site_backpack', $bp->id);
+        } else {
+            unset_config('badges_site_backpack');
+        }
+
+        upgrade_main_savepoint(true, 2020040200.01);
+    }
+
     return true;
 }
diff --git a/version.php b/version.php
index bbed55d9341..d2a1eb8c66e 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2020040200.00;              // YYYYMMDD      = weekly release date of this DEV branch.
+$version  = 2020040200.01;              // YYYYMMDD      = weekly release date of this DEV branch.
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.
 $release  = '3.9dev (Build: 20200402)'; // Human-friendly version name