diff --git a/src/Composer/Package/Loader/ValidatingArrayLoader.php b/src/Composer/Package/Loader/ValidatingArrayLoader.php
index 4e08191fb..45cf21371 100644
--- a/src/Composer/Package/Loader/ValidatingArrayLoader.php
+++ b/src/Composer/Package/Loader/ValidatingArrayLoader.php
@@ -246,7 +246,6 @@ class ValidatingArrayLoader implements LoaderInterface
         }
 
         $unboundConstraint = new Constraint('=', '10000000-dev');
-        $stableConstraint = new Constraint('=', '1.0.0');
 
         foreach (array_keys(BasePackage::$supportedLinkTypes) as $linkType) {
             if ($this->validateArray($linkType) && isset($this->config[$linkType])) {