diff --git a/qutebrowser/utils/utils.py b/qutebrowser/utils/utils.py
index 804060591..b8e306ff9 100644
--- a/qutebrowser/utils/utils.py
+++ b/qutebrowser/utils/utils.py
@@ -613,3 +613,6 @@ def register_object(name, obj, update=False):
     registry[name] = obj
 
 
+def delete_object(name):
+    """Helper function to unregister an object."""
+    del QCoreApplication.instance().registry[name]