diff --git a/release/scripts/freestyle/styles/anisotropic_diffusion.py b/release/scripts/freestyle/styles/anisotropic_diffusion.py
index f241f72fefe..b17e5c2a38c 100644
--- a/release/scripts/freestyle/styles/anisotropic_diffusion.py
+++ b/release/scripts/freestyle/styles/anisotropic_diffusion.py
@@ -26,7 +26,6 @@ from freestyle.predicates import (
     AndUP1D,
     ExternalContourUP1D,
     NotUP1D,
-    Operators,
     QuantitativeInvisibilityUP1D,
     TrueBP1D,
     TrueUP1D,