diff --git a/crates/fj-kernel/src/algorithms/transform/edge.rs b/crates/fj-kernel/src/algorithms/transform/edge.rs
index 71c72a8d1..9ff8ca2ac 100644
--- a/crates/fj-kernel/src/algorithms/transform/edge.rs
+++ b/crates/fj-kernel/src/algorithms/transform/edge.rs
@@ -36,7 +36,7 @@ impl TransformObject for PartialHalfEdge {
             .into();
 
         Ok(Self::default()
-            .with_curve(Some(curve))
+            .with_curve(curve)
             .with_vertices(Some(vertices))
             .with_global_form(global_form))
     }
diff --git a/crates/fj-kernel/src/builder/cycle.rs b/crates/fj-kernel/src/builder/cycle.rs
index afca811b6..e123c457b 100644
--- a/crates/fj-kernel/src/builder/cycle.rs
+++ b/crates/fj-kernel/src/builder/cycle.rs
@@ -81,7 +81,7 @@ impl CycleBuilder for PartialCycle {
 
                 half_edges.push(
                     HalfEdge::partial()
-                        .with_curve(Some(curve))
+                        .with_curve(curve)
                         .with_vertices(Some([from, to])),
                 );
 
diff --git a/crates/fj-kernel/src/builder/edge.rs b/crates/fj-kernel/src/builder/edge.rs
index e3ab4d1d0..8fd977874 100644
--- a/crates/fj-kernel/src/builder/edge.rs
+++ b/crates/fj-kernel/src/builder/edge.rs
@@ -79,9 +79,7 @@ impl HalfEdgeBuilder for PartialHalfEdge {
                 .with_surface_form(surface_vertex.clone())
         });
 
-        Ok(self
-            .with_curve(Some(curve))
-            .with_vertices(Some([back, front])))
+        Ok(self.with_curve(curve).with_vertices(Some([back, front])))
     }
 
     fn update_as_line_segment_from_points(
@@ -181,8 +179,7 @@ impl HalfEdgeBuilder for PartialHalfEdge {
             })
         };
 
-        self.with_curve(Some(curve))
-            .with_vertices(Some([back, front]))
+        self.with_curve(curve).with_vertices(Some([back, front]))
     }
 }
 
diff --git a/crates/fj-kernel/src/builder/shell.rs b/crates/fj-kernel/src/builder/shell.rs
index 4ae6ef6c8..98c593442 100644
--- a/crates/fj-kernel/src/builder/shell.rs
+++ b/crates/fj-kernel/src/builder/shell.rs
@@ -148,7 +148,7 @@ impl<'a> ShellBuilder<'a> {
                         ));
 
                         HalfEdge::partial()
-                            .with_curve(Some(curve))
+                            .with_curve(curve)
                             .with_vertices(Some([
                                 Vertex::partial().with_surface_form(from),
                                 Vertex::partial().with_surface_form(to),
diff --git a/crates/fj-kernel/src/partial/objects/edge.rs b/crates/fj-kernel/src/partial/objects/edge.rs
index e9704695f..26ece8472 100644
--- a/crates/fj-kernel/src/partial/objects/edge.rs
+++ b/crates/fj-kernel/src/partial/objects/edge.rs
@@ -67,13 +67,9 @@ impl PartialHalfEdge {
     }
 
     /// Update the partial half-edge with the given curve
-    pub fn with_curve(
-        mut self,
-        curve: Option<impl Into<MaybePartial<Curve>>>,
-    ) -> Self {
-        if let Some(curve) = curve {
-            self.curve = curve.into();
-        }
+    pub fn with_curve(mut self, curve: impl Into<MaybePartial<Curve>>) -> Self {
+        self.curve = curve.into();
+
         self
     }