diff --git a/src/devtools/plugin.ts b/src/devtools/plugin.ts
index deb34583a..dc87653a6 100644
--- a/src/devtools/plugin.ts
+++ b/src/devtools/plugin.ts
@@ -176,6 +176,9 @@ export function registerTresDevtools(app: DevtoolsApp, tres: TresContext) {
           payload.state = {
             object: Object.entries(instance)
               .map(([key, value]) => {
+                if (key === 'children') {
+                  return { key, value: value.filter(child => child.type !== 'HightlightMesh') }
+                }
                 return { key, value, editable: true }
               })
               .filter(({ key }) => {
diff --git a/src/utils/perf.ts b/src/utils/perf.ts
index 78f08b160..08275db46 100644
--- a/src/utils/perf.ts
+++ b/src/utils/perf.ts
@@ -5,7 +5,7 @@ export function calculateMemoryUsage(object: TresObject | Scene) {
   let totalMemory = 0
 
   object.traverse((node: TresObject) => {
-    if (node.isMesh && node.geometry) {
+    if (node.isMesh && node.geometry && node.type !== 'HightlightMesh') {
       const geometry = node.geometry
       const verticesMemory = geometry.attributes.position.count * 3 * Float32Array.BYTES_PER_ELEMENT
       const facesMemory = geometry.index ? geometry.index.count * Uint32Array.BYTES_PER_ELEMENT : 0