diff --git a/core/module/addon/addon.php b/core/module/addon/addon.php
index 75b8460e..b88539ea 100644
--- a/core/module/addon/addon.php
+++ b/core/module/addon/addon.php
@@ -192,7 +192,7 @@ class addon extends common {
 							// Nouvelle installation ou mise à jour du module
 							if( ! $moduleInstal ||  $validMaj ){
 								// Copie récursive des dossiers
-								$this -> custom_copy( self::TEMP_DIR . $tempFolder, './' );
+								$this->copyDir( self::TEMP_DIR . $tempFolder, './' );
 								$success = true;
 								if( ! $moduleInstal ){
 									$notification = 'Module '.$moduleName.' installé';
@@ -304,7 +304,7 @@ class addon extends common {
 				// Export des données localisées dans le dossier de données du module
 				if ($infoModules[$this->getUrl(2)]['dataDirectory'] &&
 					is_dir($infoModules[$this->getUrl(2)]['dataDirectory'])) {
-						$this->custom_copy ($infoModules[$this->getUrl(2)]['dataDirectory'], $tmpFolder . '/' . $moduleDir);
+						$this->copyDir ($infoModules[$this->getUrl(2)]['dataDirectory'], $tmpFolder . '/' . $moduleDir);
 				}
 			}
 			// Enregistrement des pages dans le dossier de langue identique à module
@@ -396,7 +396,7 @@ class addon extends common {
 				}
 
 				// Import des fichiers placés ailleurs que dans les dossiers localisés.
-				$this->custom_copy (self::TEMP_DIR . $tempFolder,self::DATA_DIR );
+				$this->copyDir (self::TEMP_DIR . $tempFolder,self::DATA_DIR );
 
 				// Supprimer le dossier temporaire
 				$this->removeDir(self::TEMP_DIR . $tempFolder);
@@ -423,32 +423,4 @@ class addon extends common {
 			]);
 		}
 	}
-
-	/*
-	* Copie récursive de dossiers
-	*
-	*/
-	private function custom_copy($src, $dst) {
-		// open the source directory
-		$dir = opendir($src);
-		// Make the destination directory if not exist
-		if (!is_dir($dst)) {
-			mkdir($dst);
-		}
-		// Loop through the files in source directory
-		while( $file = readdir($dir) ) {
-			if (( $file != '.' ) && ( $file != '..' )) {
-				if ( is_dir($src . '/' . $file) ){
-					// Recursively calling custom copy function
-					// for sub directory
-					$this -> custom_copy($src . '/' . $file, $dst . '/' . $file);
-				}
-				else {
-					copy($src . '/' . $file, $dst . '/' . $file);
-				}
-			}
-		}
-		closedir($dir);
-	}
-
 }
diff --git a/core/module/config/config.php b/core/module/config/config.php
index a0299776..ad98ce40 100644
--- a/core/module/config/config.php
+++ b/core/module/config/config.php
@@ -746,7 +746,7 @@ class config extends common {
 		if (!is_dir(self::FILE_DIR.'source/backup')) {
 			mkdir(self::FILE_DIR.'source/backup');
 		}
-		$this->custom_copy(self::BACKUP_DIR, self::FILE_DIR . 'source/backup' );
+		$this->copyDir(self::BACKUP_DIR, self::FILE_DIR . 'source/backup' );
 		// Valeurs en sortie
 		$this->addOutput([
 			'redirect' => helper::baseUrl() . 'config/advanced',
@@ -776,31 +776,4 @@ class config extends common {
 		}
 		return $newArray;
 	}
-
-	/*
-	* Copie récursive de dossiers
-	*
-	*/
-	private function custom_copy($src, $dst) {
-		// open the source directory
-		$dir = opendir($src);
-		// Make the destination directory if not exist
-		if (!is_dir($dst)) {
-			mkdir($dst);
-		}
-		// Loop through the files in source directory
-		while( $file = readdir($dir) ) {
-			if (( $file != '.' ) && ( $file != '..' )) {
-				if ( is_dir($src . '/' . $file) ){
-					// Recursively calling custom copy function
-					// for sub directory
-					$this -> custom_copy($src . '/' . $file, $dst . '/' . $file);
-				}
-				else {
-					copy($src . '/' . $file, $dst . '/' . $file);
-				}
-			}
-		}
-		closedir($dir);
-	}
 }