diff --git a/interpolate_strokes/operators.py b/interpolate_strokes/operators.py
index 0e4a606..b688166 100644
--- a/interpolate_strokes/operators.py
+++ b/interpolate_strokes/operators.py
@@ -508,7 +508,6 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
 
 
 classes = (
-    GP_OT_interpolate_stroke_base,
     GP_OT_interpolate_stroke,
     GP_OT_pick_collection
 )