diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 7fc3db741..4c6749521 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -20,6 +20,7 @@
     <groups>
         <exclude>
             <group>slow</group>
+            <group>legacy</group>
         </exclude>
     </groups>
 
diff --git a/tests/Composer/Test/Repository/PearRepositoryTest.php b/tests/Composer/Test/Repository/PearRepositoryTest.php
index f076d72cc..b5abf17ba 100644
--- a/tests/Composer/Test/Repository/PearRepositoryTest.php
+++ b/tests/Composer/Test/Repository/PearRepositoryTest.php
@@ -15,7 +15,7 @@ namespace Composer\Repository;
 use Composer\TestCase;
 
 /**
- * @group slow
+ * @group legacy
  */
 class PearRepositoryTest extends TestCase
 {
diff --git a/tests/complete.phpunit.xml b/tests/complete.phpunit.xml
index 6b3543029..0a3f29f06 100644
--- a/tests/complete.phpunit.xml
+++ b/tests/complete.phpunit.xml
@@ -17,6 +17,12 @@
         </testsuite>
     </testsuites>
 
+    <groups>
+        <exclude>
+            <group>legacy</group>
+        </exclude>
+    </groups>
+
     <filter>
         <whitelist>
             <directory>../src/Composer/</directory>