diff --git a/src/PhpseclibV3/SftpConnectionProvider.php b/src/PhpseclibV3/SftpConnectionProvider.php
index 082e6d3fb..82c1b422f 100644
--- a/src/PhpseclibV3/SftpConnectionProvider.php
+++ b/src/PhpseclibV3/SftpConnectionProvider.php
@@ -9,7 +9,6 @@
 use phpseclib3\Exception\NoKeyLoadedException;
 use phpseclib3\Net\SFTP;
 use phpseclib3\System\SSH\Agent;
-use RuntimeException;
 use Throwable;
 
 use function base64_decode;
@@ -229,8 +228,6 @@ private function loadPrivateKey(): AsymmetricKey
         } catch (NoKeyLoadedException $exception) {
             throw new UnableToLoadPrivateKey();
         }
-
-        throw new RuntimeException();
     }
 
     private function authenticateWithAgent(SFTP $connection): void