diff --git a/deluge/plugins/pluginbase.py b/deluge/plugins/pluginbase.py
index a17ae2d81..e80199df1 100644
--- a/deluge/plugins/pluginbase.py
+++ b/deluge/plugins/pluginbase.py
@@ -74,6 +74,9 @@ class WebPluginBase(PluginBase):
         component.get('JSON').register_object(self, plugin_name.lower())
         log.debug('WebPlugin initialized..')
 
+    def __del__(self):
+        component.get('JSON').deregister_object(self)
+
     def enable(self):
         pass