diff --git a/VERSION b/VERSION
index 41c8218..5e333f9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v3.0.10
+v3.0.8
diff --git a/controllers/internals/Tool.php b/controllers/internals/Tool.php
index 843d066..1cdccb5 100644
--- a/controllers/internals/Tool.php
+++ b/controllers/internals/Tool.php
@@ -214,7 +214,6 @@ namespace controllers\internals;
                 'content' => 'Une erreur inconnue est survenue.',
                 'error_code' => $file['error'] ?? 99,
                 'mime_type' => false,
-                'extension' => false,
             ];
 
             if (UPLOAD_ERR_OK !== $file['error'])
@@ -266,8 +265,7 @@ namespace controllers\internals;
                 return $result;
             }
 
-            $result['extension'] = pathinfo($file['name'])['extension'];
-            $result['mime_type'] = mime_content_type($tmp_filename);
+            $result['mime_type'] = 'text/plain' === mime_content_type($tmp_filename) ? $file['type'] : mime_content_type($tmp_filename);
 
             $file_handler = fopen($tmp_filename, 'r');
             $result['success'] = true;
diff --git a/controllers/publics/Contact.php b/controllers/publics/Contact.php
index 2e2b8b6..530520e 100644
--- a/controllers/publics/Contact.php
+++ b/controllers/publics/Contact.php
@@ -302,18 +302,7 @@ namespace controllers\publics;
                     break;
 
                 default:
-                    if ($read_file['extension'] === 'csv')
-                    {
-                        $result = $this->internal_contact->import_csv($id_user, $read_file['content']);
-                    }
-                    elseif ($read_file['extension'] === 'json')
-                    {
-                        $result = $this->internal_contact->import_json($id_user, $read_file['content']);
-                    }
-                    else
-                    {
-                        $invalid_type = true;
-                    }
+                    $invalid_type = true;
             }
 
             if ($invalid_type)