diff --git a/import.php b/import.php
index ea8421c..828fd20 100644
--- a/import.php
+++ b/import.php
@@ -139,13 +139,8 @@ function mod_oublog_import_get_identifier($user): array {
     }
     $blogs = oublog_import_getblogs($USER->id, $cm->id, $excludedlist);
     try {
-        if ($isou && \local_oudataload\util::is_september_2020_release_complete()) {
-            $remoteblogs = oublog_import_remote_call('mod_oublog_get_user_blogs2',
-                    ['identifier' => mod_oublog_import_get_identifier($USER)]);
-        } else {
-            $remoteblogs = oublog_import_remote_call('mod_oublog_get_user_blogs',
-                    ['username' => $USER->username]);
-        }
+        $remoteblogs = oublog_import_remote_call('mod_oublog_get_user_blogs2',
+                ['identifier' => mod_oublog_import_get_identifier($USER)]);
         if ($remoteblogs) {
             $blogs = array_merge($remoteblogs, $blogs);
         }
@@ -221,15 +216,9 @@ function mod_oublog_import_get_identifier($user): array {
     if ($remote = optional_param('remote', false, PARAM_BOOL)) {
         $stepinfo['remote'] = true;
         // Blog on remote server, use WS to get info.
-        if ($isou && \local_oudataload\util::is_september_2020_release_complete()) {
-            $result = oublog_import_remote_call('mod_oublog_get_blog_info2',
-                    ['identifier' => mod_oublog_import_get_identifier($USER),
-                    'cmid' => $bid, 'sharedblogcmid' => (int)$sharedblogcmid]);
-        } else {
-            $result = oublog_import_remote_call('mod_oublog_get_blog_info',
-                    ['username' => $USER->username,
-                    'cmid' => $bid, 'sharedblogcmid' => (int)$sharedblogcmid]);
-        }
+        $result = oublog_import_remote_call('mod_oublog_get_blog_info2',
+                ['identifier' => mod_oublog_import_get_identifier($USER),
+                'cmid' => $bid, 'sharedblogcmid' => (int)$sharedblogcmid]);
         if (!$result) {
             throw new moodle_exception('invalidcoursemodule', 'error');
         }
@@ -269,16 +258,10 @@ function mod_oublog_import_get_identifier($user): array {
     $stepinfo['preselected'] = $preselected;
     $preselected = array_filter(array_unique(explode(',', $preselected)));
     if ($remote) {
-        if ($isou && \local_oudataload\util::is_september_2020_release_complete()) {
-            $result = oublog_import_remote_call('mod_oublog_get_blog_allposts2', [
-                    'blogid' => $boublogid,
-                    'identifier' => mod_oublog_import_get_identifier($USER),
-                    'sort' => $sort, 'page' => $page, 'tags' => $tags]);
-        } else {
-            $result = oublog_import_remote_call('mod_oublog_get_blog_allposts', [
-                    'blogid' => $boublogid, 'username' => $USER->username, 'sort' => $sort,
-                    'page' => $page, 'tags' => $tags]);
-        }
+        $result = oublog_import_remote_call('mod_oublog_get_blog_allposts2', [
+                'blogid' => $boublogid,
+                'identifier' => mod_oublog_import_get_identifier($USER),
+                'sort' => $sort, 'page' => $page, 'tags' => $tags]);
         $posts = $result->posts;
         $total = $result->total;
         $tagnames = $result->tagnames;
@@ -373,15 +356,9 @@ function mod_oublog_import_get_identifier($user): array {
     $importall = optional_param('importall', false, PARAM_BOOL);
     if ($remote = optional_param('remote', false, PARAM_BOOL)) {
         // Blog on remote server, use WS to get info.
-        if ($isou && \local_oudataload\util::is_september_2020_release_complete()) {
-            $result = oublog_import_remote_call('mod_oublog_get_blog_info2',
-                    ['identifier' => mod_oublog_import_get_identifier($USER),
-                    'cmid' => $bid, 'sharedblogcmid' => (int)$sharedblogcmid]);
-        } else {
-            $result = oublog_import_remote_call('mod_oublog_get_blog_info',
-                    ['username' => $USER->username, 'cmid' => $bid,
-                    'sharedblogcmid' => (int)$sharedblogcmid]);
-        }
+        $result = oublog_import_remote_call('mod_oublog_get_blog_info2',
+                ['identifier' => mod_oublog_import_get_identifier($USER),
+                'cmid' => $bid, 'sharedblogcmid' => (int)$sharedblogcmid]);
         if (!$result) {
             throw new moodle_exception('invalidcoursemodule', 'error');
         }
@@ -416,32 +393,17 @@ function mod_oublog_import_get_identifier($user): array {
     }
     if ($remote) {
         if ($importall) {
-            if ($isou && \local_oudataload\util::is_september_2020_release_complete()) {
-                $posts = oublog_import_remote_call('mod_oublog_get_blog_posts2',
-                        ['identifier' => mod_oublog_import_get_identifier($USER),
-                        'blogid' => $boublogid, 'selected' => '0',
-                        'inccomments' => $currentblog->allowcomments != OUBLOG_COMMENTS_PREVENT,
-                        'bcontextid' => $bcontextid]);
-            } else {
-                $posts = oublog_import_remote_call('mod_oublog_get_blog_posts',
-                        ['username' => $USER->username, 'blogid' => $boublogid, 'selected' => '0',
-                        'inccomments' => $currentblog->allowcomments != OUBLOG_COMMENTS_PREVENT,
-                        'bcontextid' => $bcontextid]);
-            }
+            $posts = oublog_import_remote_call('mod_oublog_get_blog_posts2',
+                    ['identifier' => mod_oublog_import_get_identifier($USER),
+                    'blogid' => $boublogid, 'selected' => '0',
+                    'inccomments' => $currentblog->allowcomments != OUBLOG_COMMENTS_PREVENT,
+                    'bcontextid' => $bcontextid]);
         } else {
-            if ($isou && \local_oudataload\util::is_september_2020_release_complete()) {
-                $posts = oublog_import_remote_call('mod_oublog_get_blog_posts2',
-                        ['identifier' => mod_oublog_import_get_identifier($USER),
-                        'blogid' => $boublogid, 'selected' => implode(',', $selected),
-                        'inccomments' => $currentblog->allowcomments != OUBLOG_COMMENTS_PREVENT,
-                        'bcontextid' => $bcontextid]);
-            } else {
-                $posts = oublog_import_remote_call('mod_oublog_get_blog_posts',
-                        ['username' => $USER->username, 'blogid' => $boublogid,
-                        'selected' => implode(',', $selected),
-                        'inccomments' => $currentblog->allowcomments != OUBLOG_COMMENTS_PREVENT,
-                        'bcontextid' => $bcontextid]);
-            }
+            $posts = oublog_import_remote_call('mod_oublog_get_blog_posts2',
+                    ['identifier' => mod_oublog_import_get_identifier($USER),
+                    'blogid' => $boublogid, 'selected' => implode(',', $selected),
+                    'inccomments' => $currentblog->allowcomments != OUBLOG_COMMENTS_PREVENT,
+                    'bcontextid' => $bcontextid]);
         }
 
     } else {