diff --git a/src/core/Outlines.tsx b/src/core/Outlines.tsx
index 346e4aba0..648c29c3d 100644
--- a/src/core/Outlines.tsx
+++ b/src/core/Outlines.tsx
@@ -150,11 +150,11 @@ export function Outlines({
       mesh.renderOrder = renderOrder
 
       const parent = group.parent as THREE.Mesh & THREE.SkinnedMesh & THREE.InstancedMesh
-      applyProps(mesh as any, {
+      applyProps(mesh, {
         morphTargetInfluences: parent.morphTargetInfluences,
         morphTargetDictionary: parent.morphTargetDictionary,
       })
-      applyProps(mesh.material as any, {
+      applyProps(mesh.material, {
         transparent,
         thickness,
         color,