diff --git a/mailnews/base/test/unit/xpcshell.ini b/mailnews/base/test/unit/xpcshell.ini
index 5df6f11eee..b17d1dba8c 100644
--- a/mailnews/base/test/unit/xpcshell.ini
+++ b/mailnews/base/test/unit/xpcshell.ini
@@ -19,7 +19,6 @@ tail = tail_base.js
 [test_copyChaining.js]
 [test_copyThenMoveManual.js]
 [test_detachToFile.js]
-[test_dictUtils.js]
 [test_emptyTrash.js]
 [test_fix_deferred_accounts.js]
 [test_folderCompact.js]