diff --git a/composer.json b/composer.json
index 776ba95..d30f215 100644
--- a/composer.json
+++ b/composer.json
@@ -23,8 +23,6 @@
         "ext-json": "*",
         "ext-hash": "*",
         "fguillot/picofeed": ">=0.1.31",
-        "jkingweb/druuid": "^3.0.0",
-        "phpseclib/phpseclib": "^2.0",
         "hosteurope/password-generator": "^1.0",
         "docopt/docopt": "^1.0"
     },
diff --git a/composer.lock b/composer.lock
index 8553bd5..6a21986 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "360a767ae23dbd1b702c1b3b8b08b683",
+    "content-hash": "9b78e0506c2f21f63849711a86b275cb",
     "packages": [
         {
             "name": "docopt/docopt",
@@ -145,143 +145,6 @@
             "description": "Password generator for generating policy-compliant passwords.",
             "time": "2016-12-08T09:32:12+00:00"
         },
-        {
-            "name": "jkingweb/druuid",
-            "version": "3.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/JKingweb/DrUUID.git",
-                "reference": "ca88019069f03ee9c0b1bb6b0200f421bbc9607e"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/JKingweb/DrUUID/zipball/ca88019069f03ee9c0b1bb6b0200f421bbc9607e",
-                "reference": "ca88019069f03ee9c0b1bb6b0200f421bbc9607e",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "suggest": {
-                "ext-bcmath": "Supported alternative to GMP on 32-bit systems",
-                "ext-gmp": "Recommended on 32-bit installations for time-base UUIDs",
-                "phpseclib/phpseclib": "Supported alternative to GMP or BC Math on 32-bit systems (either v1.x or v2.x)"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "JKingWeb\\DrUUID\\": "lib/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "J. King",
-                    "email": "jking@jkingweb.ca",
-                    "homepage": "https://jkingweb.ca/"
-                }
-            ],
-            "description": "DrUUID RFC 4122 library for PHP",
-            "keywords": [
-                "uuid"
-            ],
-            "time": "2017-02-09T14:17:01+00:00"
-        },
-        {
-            "name": "phpseclib/phpseclib",
-            "version": "2.0.6",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "34a7699e6f31b1ef4035ee36444407cecf9f56aa"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/34a7699e6f31b1ef4035ee36444407cecf9f56aa",
-                "reference": "34a7699e6f31b1ef4035ee36444407cecf9f56aa",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "require-dev": {
-                "phing/phing": "~2.7",
-                "phpunit/phpunit": "~4.0",
-                "sami/sami": "~2.0",
-                "squizlabs/php_codesniffer": "~2.0"
-            },
-            "suggest": {
-                "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.",
-                "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.",
-                "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.",
-                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations."
-            },
-            "type": "library",
-            "autoload": {
-                "files": [
-                    "phpseclib/bootstrap.php"
-                ],
-                "psr-4": {
-                    "phpseclib\\": "phpseclib/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Jim Wigginton",
-                    "email": "terrafrost@php.net",
-                    "role": "Lead Developer"
-                },
-                {
-                    "name": "Patrick Monnerat",
-                    "email": "pm@datasphere.ch",
-                    "role": "Developer"
-                },
-                {
-                    "name": "Andreas Fischer",
-                    "email": "bantu@phpbb.com",
-                    "role": "Developer"
-                },
-                {
-                    "name": "Hans-Jürgen Petrich",
-                    "email": "petrich@tronic-media.com",
-                    "role": "Developer"
-                },
-                {
-                    "name": "Graham Campbell",
-                    "email": "graham@alt-three.com",
-                    "role": "Developer"
-                }
-            ],
-            "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.",
-            "homepage": "http://phpseclib.sourceforge.net",
-            "keywords": [
-                "BigInteger",
-                "aes",
-                "asn.1",
-                "asn1",
-                "blowfish",
-                "crypto",
-                "cryptography",
-                "encryption",
-                "rsa",
-                "security",
-                "sftp",
-                "signature",
-                "signing",
-                "ssh",
-                "twofish",
-                "x.509",
-                "x509"
-            ],
-            "time": "2017-06-05T06:31:10+00:00"
-        },
         {
             "name": "zendframework/zendxml",
             "version": "1.0.2",
diff --git a/lib/Db/AbstractDriver.php b/lib/Db/AbstractDriver.php
index 96d1aa7..e8d1cc1 100644
--- a/lib/Db/AbstractDriver.php
+++ b/lib/Db/AbstractDriver.php
@@ -1,7 +1,6 @@
 <?php
 declare(strict_types=1);
 namespace JKingWeb\Arsse\Db;
-use JKingWeb\DrUUID\UUID as UUID;
 
 abstract class AbstractDriver implements Driver {
     protected $locked = false;