diff --git a/lib/wp/session-item.c b/lib/wp/session-item.c
index 2e6f9a8a..4e04e849 100644
--- a/lib/wp/session-item.c
+++ b/lib/wp/session-item.c
@@ -345,6 +345,40 @@ wp_session_item_get_associated_proxy_id (WpSessionItem * self, GType proxy_type)
   return wp_proxy_get_bound_id (proxy);
 }
 
+/**
+ * wp_session_item_register:
+ * @self: (transfer full): the session item
+ *
+ * Registers the session item to its associated core
+ */
+void
+wp_session_item_register (WpSessionItem * self)
+{
+  g_autoptr (WpCore) core = NULL;
+
+  g_return_if_fail (WP_IS_SESSION_ITEM (self));
+
+  core = wp_object_get_core (WP_OBJECT (self));
+  wp_registry_register_object (wp_core_get_registry (core), self);
+}
+
+/**
+ * wp_session_item_remove:
+ * @self: (transfer none): the session item
+ *
+ * Removes the session item from the registry
+ */
+void
+wp_session_item_remove (WpSessionItem * self)
+{
+  g_autoptr (WpCore) core = NULL;
+
+  g_return_if_fail (WP_IS_SESSION_ITEM (self));
+
+  core = wp_object_get_core (WP_OBJECT (self));
+  wp_registry_remove_object (wp_core_get_registry (core), self);
+}
+
 /**
  * wp_session_item_get_properties:
  * @self: the session item
diff --git a/lib/wp/session-item.h b/lib/wp/session-item.h
index 167ded74..c5652f97 100644
--- a/lib/wp/session-item.h
+++ b/lib/wp/session-item.h
@@ -90,6 +90,14 @@ WP_API
 guint32 wp_session_item_get_associated_proxy_id (WpSessionItem * self,
     GType proxy_type);
 
+/* registry */
+
+WP_API
+void wp_session_item_register (WpSessionItem * self);
+
+WP_API
+void wp_session_item_remove (WpSessionItem * self);
+
 /* properties */
 
 WP_API
diff --git a/modules/module-lua-scripting/api.c b/modules/module-lua-scripting/api.c
index d32e4042..f39c8711 100644
--- a/modules/module-lua-scripting/api.c
+++ b/modules/module-lua-scripting/api.c
@@ -1088,9 +1088,27 @@ session_item_configure (lua_State *L)
   return 1;
 }
 
+static int
+session_item_register (lua_State *L)
+{
+  WpSessionItem *si = wplua_checkobject (L, 1, WP_TYPE_SESSION_ITEM);
+  wp_session_item_register (g_object_ref (si));
+  return 0;
+}
+
+static int
+session_item_remove (lua_State *L)
+{
+  WpSessionItem *si = wplua_checkobject (L, 1, WP_TYPE_SESSION_ITEM);
+  wp_session_item_remove (si);
+  return 0;
+}
+
 static const luaL_Reg session_item_methods[] = {
   { "reset", session_item_reset },
   { "configure", session_item_configure },
+  { "register", session_item_register },
+  { "remove", session_item_remove },
   { NULL, NULL }
 };