diff --git a/object_print3d_utils/operators.py b/object_print3d_utils/operators.py
index 6d310f3ba0eae81f7cc4ee699f3009055c362013..fdbc49baea51b51522b4cd8a01428ff1039db398 100644
--- a/object_print3d_utils/operators.py
+++ b/object_print3d_utils/operators.py
@@ -434,7 +434,7 @@ class MESH_OT_Print3D_Clean_Non_Manifold(Operator):
     sides: bpy.props.IntProperty(
         name="sides",
         description="Number of sides in hole required to fill",
-        default=4,
+        default=0,
     )
 
     def execute(self, context):
@@ -553,10 +553,6 @@ class MESH_OT_Print3D_Clean_Non_Manifold(Operator):
         bpy.ops.mesh.select_all(action='SELECT')
         bpy.ops.mesh.fill_holes(sides=sides)
 
-        # fill selected edge faces, which could be additional holes
-        cls.select_non_manifold_verts(use_boundary=True)
-        bpy.ops.mesh.fill()
-
     @classmethod
     def delete_newly_generated_non_manifold_verts(cls):
         """delete any newly generated vertices from the filling repair"""