diff --git a/crates/fj-kernel/src/algorithms/transform/edge.rs b/crates/fj-kernel/src/algorithms/transform/edge.rs
index 9ff8ca2ac..265baa084 100644
--- a/crates/fj-kernel/src/algorithms/transform/edge.rs
+++ b/crates/fj-kernel/src/algorithms/transform/edge.rs
@@ -37,7 +37,7 @@ impl TransformObject for PartialHalfEdge {
 
         Ok(Self::default()
             .with_curve(curve)
-            .with_vertices(Some(vertices))
+            .with_vertices(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 e123c457b..0052f9f98 100644
--- a/crates/fj-kernel/src/builder/cycle.rs
+++ b/crates/fj-kernel/src/builder/cycle.rs
@@ -82,7 +82,7 @@ impl CycleBuilder for PartialCycle {
                 half_edges.push(
                     HalfEdge::partial()
                         .with_curve(curve)
-                        .with_vertices(Some([from, to])),
+                        .with_vertices([from, to]),
                 );
 
                 continue;
diff --git a/crates/fj-kernel/src/builder/edge.rs b/crates/fj-kernel/src/builder/edge.rs
index 8fd977874..f8e258842 100644
--- a/crates/fj-kernel/src/builder/edge.rs
+++ b/crates/fj-kernel/src/builder/edge.rs
@@ -79,7 +79,7 @@ impl HalfEdgeBuilder for PartialHalfEdge {
                 .with_surface_form(surface_vertex.clone())
         });
 
-        Ok(self.with_curve(curve).with_vertices(Some([back, front])))
+        Ok(self.with_curve(curve).with_vertices([back, front]))
     }
 
     fn update_as_line_segment_from_points(
@@ -96,7 +96,7 @@ impl HalfEdgeBuilder for PartialHalfEdge {
         });
 
         self.with_surface(surface)
-            .with_vertices(Some(vertices))
+            .with_vertices(vertices)
             .update_as_line_segment()
     }
 
@@ -179,7 +179,7 @@ impl HalfEdgeBuilder for PartialHalfEdge {
             })
         };
 
-        self.with_curve(curve).with_vertices(Some([back, front]))
+        self.with_curve(curve).with_vertices([back, front])
     }
 }
 
diff --git a/crates/fj-kernel/src/builder/shell.rs b/crates/fj-kernel/src/builder/shell.rs
index 98c593442..59007984d 100644
--- a/crates/fj-kernel/src/builder/shell.rs
+++ b/crates/fj-kernel/src/builder/shell.rs
@@ -112,10 +112,10 @@ impl<'a> ShellBuilder<'a> {
                         .with_surface(Some(surface.clone()));
 
                     HalfEdge::partial()
-                        .with_vertices(Some([
+                        .with_vertices([
                             Vertex::partial().with_surface_form(from),
                             Vertex::partial().with_surface_form(to),
-                        ]))
+                        ])
                         .update_as_line_segment()
                         .build(self.objects)
                         .unwrap()
@@ -149,10 +149,10 @@ impl<'a> ShellBuilder<'a> {
 
                         HalfEdge::partial()
                             .with_curve(curve)
-                            .with_vertices(Some([
+                            .with_vertices([
                                 Vertex::partial().with_surface_form(from),
                                 Vertex::partial().with_surface_form(to),
-                            ]))
+                            ])
                             .update_as_line_segment()
                             .build(self.objects)
                             .unwrap()
@@ -175,7 +175,7 @@ impl<'a> ShellBuilder<'a> {
                     let to = Vertex::partial().with_surface_form(to);
 
                     HalfEdge::partial()
-                        .with_vertices(Some([from, to]))
+                        .with_vertices([from, to])
                         .update_as_line_segment()
                         .build(self.objects)
                         .unwrap()
@@ -251,7 +251,7 @@ impl<'a> ShellBuilder<'a> {
 
                 edges.push(
                     HalfEdge::partial()
-                        .with_vertices(Some(vertices))
+                        .with_vertices(vertices)
                         .with_global_form(Some(edge.global_form().clone()))
                         .update_as_line_segment()
                         .build(self.objects)
diff --git a/crates/fj-kernel/src/partial/objects/edge.rs b/crates/fj-kernel/src/partial/objects/edge.rs
index 26ece8472..19161235f 100644
--- a/crates/fj-kernel/src/partial/objects/edge.rs
+++ b/crates/fj-kernel/src/partial/objects/edge.rs
@@ -98,12 +98,9 @@ impl PartialHalfEdge {
     /// Update the partial half-edge with the given vertices
     pub fn with_vertices(
         mut self,
-        vertices: Option<[impl Into<MaybePartial<Vertex>>; 2]>,
+        vertices: [impl Into<MaybePartial<Vertex>>; 2],
     ) -> Self {
-        let vertices = vertices.map(|vertices| vertices.map(Into::into));
-        if let Some([back, front]) = vertices {
-            self.vertices = [back, front];
-        }
+        self.vertices = vertices.map(Into::into);
         self
     }