diff --git a/tests/libraries.test b/tests/libraries.test
index 51198eb..df2c894 100644
--- a/tests/libraries.test
+++ b/tests/libraries.test
@@ -194,6 +194,7 @@ class LibrariesTestCase extends DrupalWebTestCase {
     );
     libraries_info_defaults($expected, 'example_info_file');
     $library = libraries_info('example_info_file');
+    unset($library['core'], $library['datestamp'], $library['project'], $library['version']);
     $this->verbose('Expected:<pre>' . var_export($expected, TRUE) . '</pre>');
     $this->verbose('Actual:<pre>' . var_export($library, TRUE) . '</pre>');
     $this->assertEqual($library, $expected, 'Library specified with an .info file found');