diff --git a/src/sakia/gui/views/scenes/explorer_scene.py b/src/sakia/gui/views/scenes/explorer_scene.py
index f89ce5a31a9c92bd932f96df4add381b8042da9b..0c069ead7b04956cccec6cfa80f19c43715a0bab 100644
--- a/src/sakia/gui/views/scenes/explorer_scene.py
+++ b/src/sakia/gui/views/scenes/explorer_scene.py
@@ -6,7 +6,6 @@ from PyQt5.QtWidgets import QGraphicsScene
 
 from ..edges import ExplorerEdge
 from ..nodes import ExplorerNode
-from ..busy import Busy
 
 from .base_scene import BaseScene