diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index b022015..3880b94 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -9,7 +9,7 @@
          processIsolation="false"
          stopOnFailure="false"
          syntaxCheck="false"
-         bootstrap="./tests/bootstrap.php"
+         bootstrap="./vendor/autoload.php"
         >
     <testsuites>
         <testsuite name="IPTools Test Suite">
@@ -21,7 +21,7 @@
         <log type="coverage-html" target="./coverage" lowUpperBound="50" highLowerBound="80"/>
     </logging>
 
-    <filter>        
+    <filter>
         <whitelist processUncoveredFilesFromWhitelist="true">
             <directory suffix=".php">./src</directory>
             <exclude>
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
deleted file mode 100644
index 5a9f5ff..0000000
--- a/tests/bootstrap.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-if (!class_exists('\PHPUnit_Framework_TestCase') && class_exists('\PHPUnit\Framework\TestCase')) {
-    class_alias('\PHPUnit\Framework\TestCase', '\PHPUnit_Framework_TestCase');
-}
-
-require __DIR__ . '/../src/PropertyTrait.php';
-require __DIR__ . '/../src/IP.php';
-require __DIR__ . '/../src/Network.php';
-require __DIR__ . '/../src/Range.php';