diff --git a/samples/procedural-cube/main.py b/samples/procedural-cube/main.py
index 2f21cd9a0f..266afc4205 100755
--- a/samples/procedural-cube/main.py
+++ b/samples/procedural-cube/main.py
@@ -17,7 +17,6 @@ from panda3d.core import GeomVertexFormat, GeomVertexData
 from panda3d.core import Geom, GeomTriangles, GeomVertexWriter
 from panda3d.core import Texture, GeomNode
 from panda3d.core import PerspectiveLens
-from panda3d.core import CardMaker
 from panda3d.core import Light, Spotlight
 from panda3d.core import TextNode
 from panda3d.core import LVector3