diff --git a/crates/fj-kernel/src/partial/objects/curve.rs b/crates/fj-kernel/src/partial/objects/curve.rs
index c073106e8..233b6b2c7 100644
--- a/crates/fj-kernel/src/partial/objects/curve.rs
+++ b/crates/fj-kernel/src/partial/objects/curve.rs
@@ -59,11 +59,6 @@ impl PartialCurve {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`Curve`] from the partial curve
     pub fn build(self, objects: &Objects) -> Result<Curve, ValidationError> {
         let path = self.path.expect("Can't build `Curve` without path");
@@ -116,11 +111,6 @@ impl From<&Curve> for PartialCurve {
 pub struct PartialGlobalCurve;
 
 impl PartialGlobalCurve {
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`GlobalCurve`] from the partial global curve
     pub fn build(self, _: &Objects) -> Result<GlobalCurve, ValidationError> {
         Ok(GlobalCurve)
diff --git a/crates/fj-kernel/src/partial/objects/cycle.rs b/crates/fj-kernel/src/partial/objects/cycle.rs
index 38b1b0e14..a802133e3 100644
--- a/crates/fj-kernel/src/partial/objects/cycle.rs
+++ b/crates/fj-kernel/src/partial/objects/cycle.rs
@@ -64,11 +64,6 @@ impl PartialCycle {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`Cycle`] from the partial cycle
     pub fn build(
         mut self,
diff --git a/crates/fj-kernel/src/partial/objects/edge.rs b/crates/fj-kernel/src/partial/objects/edge.rs
index e0ecd28f3..40e32906e 100644
--- a/crates/fj-kernel/src/partial/objects/edge.rs
+++ b/crates/fj-kernel/src/partial/objects/edge.rs
@@ -92,11 +92,6 @@ impl PartialHalfEdge {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`HalfEdge`] from the partial half-edge
     pub fn build(self, objects: &Objects) -> Result<HalfEdge, ValidationError> {
         let curve = self.curve.into_full(objects)?;
@@ -184,11 +179,6 @@ impl PartialGlobalEdge {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`GlobalEdge`] from the partial global edge
     pub fn build(
         self,
diff --git a/crates/fj-kernel/src/partial/objects/face.rs b/crates/fj-kernel/src/partial/objects/face.rs
index e96bcf4d4..02d837484 100644
--- a/crates/fj-kernel/src/partial/objects/face.rs
+++ b/crates/fj-kernel/src/partial/objects/face.rs
@@ -70,11 +70,6 @@ impl PartialFace {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Construct a polygon from a list of points
     pub fn build(self, objects: &Objects) -> Result<Face, ValidationError> {
         let exterior = self.exterior.into_full(objects)?;
diff --git a/crates/fj-kernel/src/partial/objects/mod.rs b/crates/fj-kernel/src/partial/objects/mod.rs
index 277752a94..917f53a56 100644
--- a/crates/fj-kernel/src/partial/objects/mod.rs
+++ b/crates/fj-kernel/src/partial/objects/mod.rs
@@ -25,10 +25,6 @@ macro_rules! impl_traits {
             impl Partial for $partial {
                 type Full = $full;
 
-                fn merge_with(self, other: Self) -> Self {
-                    self.merge_with(other)
-                }
-
                 fn build(self, objects: &Objects)
                     -> Result<
                         Self::Full,
diff --git a/crates/fj-kernel/src/partial/objects/vertex.rs b/crates/fj-kernel/src/partial/objects/vertex.rs
index 9190e2ecc..eaa7ac355 100644
--- a/crates/fj-kernel/src/partial/objects/vertex.rs
+++ b/crates/fj-kernel/src/partial/objects/vertex.rs
@@ -60,11 +60,6 @@ impl PartialVertex {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`Vertex`] from the partial vertex
     ///
     /// # Panics
@@ -173,11 +168,6 @@ impl PartialSurfaceVertex {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`SurfaceVertex`] from the partial surface vertex
     pub fn build(
         self,
@@ -248,11 +238,6 @@ impl PartialGlobalVertex {
         self
     }
 
-    /// Merge this partial object with another
-    pub fn merge_with(self, other: Self) -> Self {
-        <Self as MergeWith>::merge_with(self, other)
-    }
-
     /// Build a full [`GlobalVertex`] from the partial global vertex
     pub fn build(self, _: &Objects) -> Result<GlobalVertex, ValidationError> {
         let position = self
diff --git a/crates/fj-kernel/src/partial/traits.rs b/crates/fj-kernel/src/partial/traits.rs
index c0b1a1d54..3b149317b 100644
--- a/crates/fj-kernel/src/partial/traits.rs
+++ b/crates/fj-kernel/src/partial/traits.rs
@@ -68,9 +68,6 @@ pub trait Partial: Default + for<'a> From<&'a Self::Full> {
     /// The type representing the full variant of this object
     type Full;
 
-    /// Merge another partial object of the same type into this one
-    fn merge_with(self, other: Self) -> Self;
-
     /// Build a full object from this partial one
     ///
     /// Implementations of this method will typically try to infer any missing