diff --git a/crates/fj-kernel/src/algorithms/approx/curve.rs b/crates/fj-kernel/src/algorithms/approx/curve.rs
index 6c2a725e2..b8597a00c 100644
--- a/crates/fj-kernel/src/algorithms/approx/curve.rs
+++ b/crates/fj-kernel/src/algorithms/approx/curve.rs
@@ -230,9 +230,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = services.objects.surfaces.xz_plane();
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[1., 1.], [2., 1.]]);
         let curve = curve
             .build(&mut services.objects)
@@ -254,9 +252,7 @@ mod tests {
         )
         .build(&mut services.objects)
         .insert(&mut services.objects);
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[1., 1.], [1., 2.]]);
         let curve = curve
             .build(&mut services.objects)
@@ -276,9 +272,7 @@ mod tests {
         let surface = PartialSurface::from_axes(path, [0., 0., 1.])
             .build(&mut services.objects)
             .insert(&mut services.objects);
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[0., 1.], [1., 1.]]);
         let curve = curve
             .build(&mut services.objects)
@@ -308,9 +302,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = services.objects.surfaces.xz_plane();
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_circle_from_radius(1.);
         let curve = curve
             .build(&mut services.objects)
diff --git a/crates/fj-kernel/src/algorithms/intersect/curve_edge.rs b/crates/fj-kernel/src/algorithms/intersect/curve_edge.rs
index 2f35ea124..d7ca55ac7 100644
--- a/crates/fj-kernel/src/algorithms/intersect/curve_edge.rs
+++ b/crates/fj-kernel/src/algorithms/intersect/curve_edge.rs
@@ -87,9 +87,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
@@ -117,9 +115,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
@@ -147,9 +143,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
@@ -172,9 +166,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
diff --git a/crates/fj-kernel/src/algorithms/intersect/curve_face.rs b/crates/fj-kernel/src/algorithms/intersect/curve_face.rs
index 50eaa4627..5e5048d89 100644
--- a/crates/fj-kernel/src/algorithms/intersect/curve_face.rs
+++ b/crates/fj-kernel/src/algorithms/intersect/curve_face.rs
@@ -163,9 +163,7 @@ mod tests {
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
 
-        let mut curve = PartialCurve {
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[-3., 0.], [-2., 0.]]);
         let curve = curve.build(&mut services.objects);
 
diff --git a/crates/fj-kernel/src/algorithms/intersect/face_face.rs b/crates/fj-kernel/src/algorithms/intersect/face_face.rs
index 1c0407f03..fcf233da8 100644
--- a/crates/fj-kernel/src/algorithms/intersect/face_face.rs
+++ b/crates/fj-kernel/src/algorithms/intersect/face_face.rs
@@ -133,9 +133,7 @@ mod tests {
             FaceFaceIntersection::compute([&a, &b], &mut services.objects);
 
         let expected_curves = surfaces.map(|_| {
-            let mut curve = PartialCurve {
-                ..Default::default()
-            };
+            let mut curve = PartialCurve::default();
             curve.update_as_line_from_points([[0., 0.], [1., 0.]]);
             curve
                 .build(&mut services.objects)
diff --git a/crates/fj-kernel/src/algorithms/intersect/surface_surface.rs b/crates/fj-kernel/src/algorithms/intersect/surface_surface.rs
index 9732f1f37..a77bea030 100644
--- a/crates/fj-kernel/src/algorithms/intersect/surface_surface.rs
+++ b/crates/fj-kernel/src/algorithms/intersect/surface_surface.rs
@@ -120,16 +120,12 @@ mod tests {
             None,
         );
 
-        let mut expected_xy = PartialCurve {
-            ..Default::default()
-        };
+        let mut expected_xy = PartialCurve::default();
         expected_xy.update_as_u_axis();
         let expected_xy = expected_xy
             .build(&mut services.objects)
             .insert(&mut services.objects);
-        let mut expected_xz = PartialCurve {
-            ..Default::default()
-        };
+        let mut expected_xz = PartialCurve::default();
         expected_xz.update_as_u_axis();
         let expected_xz = expected_xz
             .build(&mut services.objects)