diff --git a/src/board/mod.rs b/src/board/mod.rs
index e087ca6..a7bde6b 100644
--- a/src/board/mod.rs
+++ b/src/board/mod.rs
@@ -17,7 +17,7 @@ use crate::{
         band::BandUid,
         bend::{BendIndex, BendWeight},
         dot::{DotIndex, DotWeight, FixedDotIndex, FixedDotWeight, GeneralDotWeight},
-        graph::{GetMaybeNet, PrimitiveIndex, PrimitiveWeight},
+        graph::{GetMaybeNet, PrimitiveIndex},
         seg::{FixedSegIndex, FixedSegWeight, SegIndex, SegWeight},
         Collect,
     },
@@ -288,7 +288,6 @@ impl<M: AccessMesadata> Board<M> {
 
 impl<M: AccessMesadata>
     ApplyGeometryEdit<
-        PrimitiveWeight,
         DotWeight,
         SegWeight,
         BendWeight,
diff --git a/src/drawing/drawing.rs b/src/drawing/drawing.rs
index 0b2896d..e814b20 100644
--- a/src/drawing/drawing.rs
+++ b/src/drawing/drawing.rs
@@ -91,7 +91,6 @@ pub struct Collision(pub PrimitiveShape, pub PrimitiveIndex);
 pub struct AlreadyConnected(pub usize, pub PrimitiveIndex);
 
 pub type DrawingEdit<CW> = GeometryEdit<
-    PrimitiveWeight,
     DotWeight,
     SegWeight,
     BendWeight,
@@ -1120,7 +1119,6 @@ impl<CW: Copy, R: AccessRules> Drawing<CW, R> {
 
 impl<CW: Copy, R: AccessRules>
     ApplyGeometryEdit<
-        PrimitiveWeight,
         DotWeight,
         SegWeight,
         BendWeight,
diff --git a/src/geometry/edit.rs b/src/geometry/edit.rs
index 1b98c87..427d08c 100644
--- a/src/geometry/edit.rs
+++ b/src/geometry/edit.rs
@@ -2,17 +2,16 @@
 //
 // SPDX-License-Identifier: MIT
 
-use std::{collections::BTreeMap, marker::PhantomData};
+use std::collections::BTreeMap;
 
 use crate::graph::{GenericIndex, GetPetgraphIndex};
 
-use super::{AccessBendWeight, AccessDotWeight, AccessSegWeight, GetLayer, GetWidth, Retag};
+use super::{AccessBendWeight, AccessDotWeight, AccessSegWeight, GetLayer};
 
 pub trait ApplyGeometryEdit<
-    PW: GetWidth + GetLayer + TryInto<DW> + TryInto<SW> + TryInto<BW> + Retag<Index = PI> + Copy,
-    DW: AccessDotWeight + Into<PW> + GetLayer,
-    SW: AccessSegWeight + Into<PW> + GetLayer,
-    BW: AccessBendWeight + Into<PW> + GetLayer,
+    DW: AccessDotWeight + GetLayer,
+    SW: AccessSegWeight + GetLayer,
+    BW: AccessBendWeight + GetLayer,
     CW: Copy,
     PI: GetPetgraphIndex + TryInto<DI> + TryInto<SI> + TryInto<BI> + Eq + Ord + Copy,
     DI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
@@ -20,17 +19,16 @@ pub trait ApplyGeometryEdit<
     BI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
 >
 {
-    fn apply(&mut self, edit: &GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>);
+    fn apply(&mut self, edit: &GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>);
 }
 
 #[derive(Debug, Clone)]
-pub struct GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI> {
+pub struct GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI> {
     pub(super) dots: BTreeMap<DI, (Option<DW>, Option<DW>)>,
     pub(super) segs: BTreeMap<SI, (Option<((DI, DI), SW)>, Option<((DI, DI), SW)>)>,
     pub(super) bends: BTreeMap<BI, (Option<((DI, DI, DI), BW)>, Option<((DI, DI, DI), BW)>)>,
     pub(super) compounds:
         BTreeMap<GenericIndex<CW>, (Option<(Vec<PI>, CW)>, Option<(Vec<PI>, CW)>)>,
-    primitive_weight_marker: PhantomData<PW>,
 }
 
 fn swap_tuple_inplace<D>(x: &mut (D, D)) {
@@ -38,16 +36,15 @@ fn swap_tuple_inplace<D>(x: &mut (D, D)) {
 }
 
 impl<
-        PW: GetWidth + GetLayer + TryInto<DW> + TryInto<SW> + TryInto<BW> + Retag<Index = PI> + Copy,
-        DW: AccessDotWeight + Into<PW> + GetLayer,
-        SW: AccessSegWeight + Into<PW> + GetLayer,
-        BW: AccessBendWeight + Into<PW> + GetLayer,
+        DW: AccessDotWeight + GetLayer,
+        SW: AccessSegWeight + GetLayer,
+        BW: AccessBendWeight + GetLayer,
         CW: Copy,
         PI: GetPetgraphIndex + TryInto<DI> + TryInto<SI> + TryInto<BI> + Eq + Ord + Copy,
         DI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
         SI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
         BI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
-    > GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>
+    > GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>
 {
     pub fn new() -> Self {
         Self {
@@ -55,7 +52,6 @@ impl<
             segs: BTreeMap::new(),
             bends: BTreeMap::new(),
             compounds: BTreeMap::new(),
-            primitive_weight_marker: PhantomData,
         }
     }
 
@@ -91,19 +87,18 @@ fn apply_btmap<I: Copy + Eq + Ord, D: Clone>(
 }
 
 impl<
-        PW: GetWidth + GetLayer + TryInto<DW> + TryInto<SW> + TryInto<BW> + Retag<Index = PI> + Copy,
-        DW: AccessDotWeight + Into<PW> + GetLayer,
-        SW: AccessSegWeight + Into<PW> + GetLayer,
-        BW: AccessBendWeight + Into<PW> + GetLayer,
+        DW: AccessDotWeight + GetLayer,
+        SW: AccessSegWeight + GetLayer,
+        BW: AccessBendWeight + GetLayer,
         CW: Copy,
         PI: GetPetgraphIndex + TryInto<DI> + TryInto<SI> + TryInto<BI> + Eq + Ord + Copy,
         DI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
         SI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
         BI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
-    > ApplyGeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>
-    for GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>
+    > ApplyGeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>
+    for GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>
 {
-    fn apply(&mut self, edit: &GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>) {
+    fn apply(&mut self, edit: &GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>) {
         apply_btmap(&mut self.dots, &edit.dots);
         apply_btmap(&mut self.segs, &edit.segs);
         apply_btmap(&mut self.bends, &edit.bends);
diff --git a/src/geometry/recording_with_rtree.rs b/src/geometry/recording_with_rtree.rs
index 4e74220..99700fd 100644
--- a/src/geometry/recording_with_rtree.rs
+++ b/src/geometry/recording_with_rtree.rs
@@ -55,7 +55,7 @@ impl<
 
     pub fn add_dot<W: AccessDotWeight + Into<PW> + GetLayer>(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         weight: W,
     ) -> GenericIndex<W>
     where
@@ -76,7 +76,7 @@ impl<
 
     pub fn add_seg<W: AccessSegWeight + Into<PW> + GetLayer>(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         from: DI,
         to: DI,
         weight: W,
@@ -102,7 +102,7 @@ impl<
 
     pub fn add_bend<W: AccessBendWeight + Into<PW> + GetLayer>(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         from: DI,
         to: DI,
         core: DI,
@@ -129,7 +129,7 @@ impl<
 
     pub fn add_compound(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         weight: CW,
     ) -> GenericIndex<CW> {
         let compound = self.geometry_with_rtree.add_compound(weight);
@@ -141,7 +141,7 @@ impl<
 
     pub fn add_to_compound<W>(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         primitive: GenericIndex<W>,
         compound: GenericIndex<CW>,
     ) {
@@ -165,7 +165,7 @@ impl<
 
     pub fn remove_dot(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         dot: DI,
     ) -> Result<(), ()> {
         let weight = self.geometry_with_rtree.geometry().dot_weight(dot);
@@ -176,7 +176,7 @@ impl<
 
     pub fn remove_seg(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         seg: SI,
     ) {
         let geometry = self.geometry_with_rtree.geometry();
@@ -188,7 +188,7 @@ impl<
 
     pub fn remove_bend(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         bend: BI,
     ) {
         let geometry = self.geometry_with_rtree.geometry();
@@ -205,7 +205,7 @@ impl<
 
     pub fn remove_compound(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         compound: GenericIndex<CW>,
     ) {
         let geometry = self.geometry_with_rtree.geometry();
@@ -217,7 +217,7 @@ impl<
 
     pub fn move_dot(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         dot: DI,
         to: Point,
     ) {
@@ -234,7 +234,7 @@ impl<
 
     fn modify_bend<F>(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         bend: BI,
         f: F,
     ) where
@@ -264,7 +264,7 @@ impl<
 
     pub fn shift_bend(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         bend: BI,
         offset: f64,
     ) {
@@ -275,7 +275,7 @@ impl<
 
     pub fn flip_bend(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         bend: BI,
     ) {
         self.modify_bend(recorder, bend, |geometry_with_rtree, bend| {
@@ -285,7 +285,7 @@ impl<
 
     pub fn reattach_bend(
         &mut self,
-        recorder: &mut GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>,
+        recorder: &mut GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>,
         bend: BI,
         maybe_new_inner: Option<BI>,
     ) {
@@ -352,10 +352,10 @@ impl<
         DI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
         SI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
         BI: GetPetgraphIndex + Into<PI> + Eq + Ord + Copy,
-    > ApplyGeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>
+    > ApplyGeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>
     for RecordingGeometryWithRtree<PW, DW, SW, BW, CW, PI, DI, SI, BI>
 {
-    fn apply(&mut self, edit: &GeometryEdit<PW, DW, SW, BW, CW, PI, DI, SI, BI>) {
+    fn apply(&mut self, edit: &GeometryEdit<DW, SW, BW, CW, PI, DI, SI, BI>) {
         for (compound, (maybe_old_data, ..)) in &edit.compounds {
             if maybe_old_data.is_some() {
                 self.geometry_with_rtree.remove_compound(*compound);
diff --git a/src/layout/layout.rs b/src/layout/layout.rs
index 346a427..4620bb1 100644
--- a/src/layout/layout.rs
+++ b/src/layout/layout.rs
@@ -17,7 +17,7 @@ use crate::{
             LooseDotWeight,
         },
         gear::GearIndex,
-        graph::{GetMaybeNet, IsInLayer, MakePrimitive, PrimitiveIndex, PrimitiveWeight},
+        graph::{GetMaybeNet, IsInLayer, MakePrimitive, PrimitiveIndex},
         loose::LooseIndex,
         primitive::{GetWeight, MakePrimitiveShape, Primitive},
         rules::AccessRules,
@@ -476,7 +476,6 @@ impl<R: AccessRules> Layout<R> {
 
 impl<R: AccessRules>
     ApplyGeometryEdit<
-        PrimitiveWeight,
         DotWeight,
         SegWeight,
         BendWeight,