diff --git a/crates/fj-core/src/geometry/surface.rs b/crates/fj-core/src/geometry/surface.rs
index 7f564444b..87fcf02e2 100644
--- a/crates/fj-core/src/geometry/surface.rs
+++ b/crates/fj-core/src/geometry/surface.rs
@@ -65,15 +65,7 @@ impl SurfaceGeom {
     ) -> (Triangle<3>, [Scalar; 3]) {
         let point_surface = point_surface.into();
 
-        let line_segment = match &self.u {
-            Path::Circle(circle) => {
-                circle.line_segment_at([point_surface.u], tolerance)
-            }
-            Path::Line(line) => {
-                line.line_segment_at([point_surface.u], tolerance)
-            }
-        };
-
+        let line_segment = self.u.line_segment_at([point_surface.u], tolerance);
         let [a, b] = line_segment
             .map(|point_global| point_global + self.v * point_surface.v);