diff --git a/administrator/components/com_admin/script.php b/administrator/components/com_admin/script.php
index 9a19f30f4f4bb..799afa535f166 100644
--- a/administrator/components/com_admin/script.php
+++ b/administrator/components/com_admin/script.php
@@ -3874,9 +3874,11 @@ public function deleteUnexistingFiles($dryRun = false, $suppressOutput = false)
 			'/libraries/vendor/leafo/lessphp/lessify',
 			'/libraries/vendor/leafo/lessphp/lessify.inc.php',
 			'/libraries/vendor/leafo/lessphp/plessc',
+			'/libraries/vendor/paragonie/random_compat/LICENSE',
 			'/libraries/vendor/paragonie/random_compat/lib/byte_safe_strings.php',
 			'/libraries/vendor/paragonie/random_compat/lib/cast_to_int.php',
 			'/libraries/vendor/paragonie/random_compat/lib/error_polyfill.php',
+			'/libraries/vendor/paragonie/random_compat/lib/random.php',
 			'/libraries/vendor/paragonie/random_compat/lib/random_bytes_com_dotnet.php',
 			'/libraries/vendor/paragonie/random_compat/lib/random_bytes_dev_urandom.php',
 			'/libraries/vendor/paragonie/random_compat/lib/random_bytes_libsodium.php',
@@ -5423,6 +5425,8 @@ public function deleteUnexistingFiles($dryRun = false, $suppressOutput = false)
 			'/libraries/vendor/ozdemirburak/iris/src/Traits/HsTrait.php',
 			'/libraries/vendor/ozdemirburak/iris/src/Traits/HslTrait.php',
 			'/libraries/vendor/ozdemirburak/iris/src/Traits/RgbTrait.php',
+			'/libraries/vendor/paragonie/random_compat/dist/random_compat.phar.pubkey',
+			'/libraries/vendor/paragonie/random_compat/dist/random_compat.phar.pubkey.asc',
 			'/libraries/vendor/psr/http-factory/.pullapprove.yml',
 			'/libraries/vendor/spomky-labs/cbor-php/.php_cs.dist',
 			'/libraries/vendor/spomky-labs/cbor-php/CODE_OF_CONDUCT.md',
@@ -5843,6 +5847,12 @@ public function deleteUnexistingFiles($dryRun = false, $suppressOutput = false)
 			'/templates/cassiopeia/scss/tools/mixins/_margin.scss',
 			'/templates/cassiopeia/scss/tools/mixins/_visually-hidden.scss',
 			'/templates/system/js/error-locales.js',
+			// 4.0 from RC 1 to RC 2
+			'/administrator/templates/atum/scss/pages/_com_admin.scss',
+			'/administrator/templates/atum/scss/pages/_com_finder.scss',
+			'/administrator/templates/atum/scss/pages/_com_joomlaupdate.scss',
+			'/libraries/src/Error/JsonApi/InstallLanguageExceptionHandler.php',
+			'/libraries/src/MVC/Controller/Exception/InstallLanguage.php',
 		);
 
 		$folders = array(
@@ -6167,6 +6177,7 @@ public function deleteUnexistingFiles($dryRun = false, $suppressOutput = false)
 			'/libraries/vendor/simplepie/simplepie',
 			'/libraries/vendor/simplepie',
 			'/libraries/vendor/phpmailer/phpmailer/extras',
+			'/libraries/vendor/paragonie/random_compat/lib',
 			'/libraries/vendor/leafo/lessphp',
 			'/libraries/vendor/leafo',
 			'/libraries/vendor/joomla/session/Joomla/Session/Storage',
@@ -7051,6 +7062,8 @@ public function deleteUnexistingFiles($dryRun = false, $suppressOutput = false)
 			'/media/vendor/punycode/js',
 			'/media/templates/atum/js',
 			'/media/templates/atum',
+			'/libraries/vendor/paragonie/random_compat/dist',
+			'/libraries/vendor/paragonie/random_compat',
 			'/libraries/vendor/ozdemirburak/iris/src/Traits',
 			'/libraries/vendor/ozdemirburak/iris/src/Helpers',
 			'/libraries/vendor/ozdemirburak/iris/src/Exceptions',