diff --git a/src/plugin_manager.py b/src/plugin_manager.py
index 6d3fb05a..f414bb66 100644
--- a/src/plugin_manager.py
+++ b/src/plugin_manager.py
@@ -80,14 +80,14 @@ class PluginManager(object):
                 for key in self.keys[name].keys():
                     del self.core.key_func[key]
                 for tab in list(self.tab_commands[name].keys()):
-                    for command in self.tab_commands[name][tab]:
+                    for command in self.tab_commands[name][tab][:]:
                         self.del_tab_command(name, getattr(tabs, tab), command[0])
                     del self.tab_commands[name][tab]
                 for tab in list(self.tab_keys[name].keys()):
-                    for key in self.tab_keys[name][tab]:
+                    for key in self.tab_keys[name][tab][:]:
                         self.del_tab_key(name, getattr(tabs, tab), key[0])
                     del self.tab_keys[name][tab]
-                for event_name, handler in self.event_handlers[name]:
+                for event_name, handler in self.event_handlers[name][:]:
                     self.del_event_handler(name, event_name, handler)
 
                 self.plugins[name].unload()