diff --git a/crates/viewer/re_renderer/src/importer/stl.rs b/crates/viewer/re_renderer/src/importer/stl.rs
index fad815c7c250..30b1ad98a677 100644
--- a/crates/viewer/re_renderer/src/importer/stl.rs
+++ b/crates/viewer/re_renderer/src/importer/stl.rs
@@ -23,7 +23,6 @@ pub enum StlImportError {
 pub fn load_stl_from_buffer(
     buffer: &[u8],
     ctx: &RenderContext,
-    _texture_key: u64,
 ) -> Result<Vec<MeshInstance>, StlImportError> {
     re_tracing::profile_function!();
 
diff --git a/crates/viewer/re_renderer/src/renderer/mesh_renderer.rs b/crates/viewer/re_renderer/src/renderer/mesh_renderer.rs
index f5724677f0fa..230dc552809b 100644
--- a/crates/viewer/re_renderer/src/renderer/mesh_renderer.rs
+++ b/crates/viewer/re_renderer/src/renderer/mesh_renderer.rs
@@ -110,6 +110,7 @@ impl DrawData for MeshDrawData {
     type Renderer = MeshRenderer;
 }
 
+#[derive(Clone)]
 pub struct MeshInstance {
     /// Gpu mesh used by this instance
     pub gpu_mesh: Arc<GpuMesh>,
@@ -131,20 +132,6 @@ pub struct MeshInstance {
     pub picking_layer_id: PickingLayerId,
 }
 
-impl Clone for MeshInstance {
-    #[inline]
-    fn clone(&self) -> Self {
-        Self {
-            gpu_mesh: self.gpu_mesh.clone(),
-            mesh: self.mesh.clone(),
-            world_from_mesh: self.world_from_mesh,
-            additive_tint: self.additive_tint,
-            outline_mask_ids: self.outline_mask_ids,
-            picking_layer_id: self.picking_layer_id,
-        }
-    }
-}
-
 impl MeshInstance {
     /// Creates a new instance of a mesh with all fields set to default except for required ones.
     pub fn new(gpu_mesh: Arc<GpuMesh>) -> Self {
diff --git a/crates/viewer/re_space_view_spatial/src/mesh_cache.rs b/crates/viewer/re_space_view_spatial/src/mesh_cache.rs
index 9c919932ba7a..0baafbc4bb4d 100644
--- a/crates/viewer/re_space_view_spatial/src/mesh_cache.rs
+++ b/crates/viewer/re_space_view_spatial/src/mesh_cache.rs
@@ -38,10 +38,6 @@ pub struct MeshCache(HashMap<RowId, HashMap<MeshCacheKey, Option<Arc<LoadedMesh>
 pub enum AnyMesh<'a> {
     Asset {
         asset: &'a re_types::archetypes::Asset3D,
-
-        /// If there are any textures associated with that asset (albedo etc), they use this
-        /// hash for texture manager lookup.
-        texture_key: u64,
     },
     Mesh {
         mesh: &'a re_types::archetypes::Mesh3D,
diff --git a/crates/viewer/re_space_view_spatial/src/mesh_loader.rs b/crates/viewer/re_space_view_spatial/src/mesh_loader.rs
index 3758cc5920f1..a4d9076545a2 100644
--- a/crates/viewer/re_space_view_spatial/src/mesh_loader.rs
+++ b/crates/viewer/re_space_view_spatial/src/mesh_loader.rs
@@ -33,9 +33,7 @@ impl LoadedMesh {
     ) -> anyhow::Result<Self> {
         // TODO(emilk): load CpuMesh in background thread.
         match mesh {
-            AnyMesh::Asset { asset, texture_key } => {
-                Ok(Self::load_asset3d(name, asset, texture_key, render_ctx)?)
-            }
+            AnyMesh::Asset { asset } => Ok(Self::load_asset3d(name, asset, render_ctx)?),
             AnyMesh::Mesh { mesh, texture_key } => {
                 Ok(Self::load_mesh3d(name, mesh, texture_key, render_ctx)?)
             }
@@ -47,7 +45,6 @@ impl LoadedMesh {
         media_type: &MediaType,
         asset3d: &Asset3D,
         render_ctx: &RenderContext,
-        texture_key: u64,
     ) -> anyhow::Result<Self> {
         re_tracing::profile_function!();
 
@@ -58,9 +55,7 @@ impl LoadedMesh {
                 re_renderer::importer::gltf::load_gltf_from_buffer(&name, bytes, render_ctx)?
             }
             MediaType::OBJ => re_renderer::importer::obj::load_obj_from_buffer(bytes, render_ctx)?,
-            MediaType::STL => {
-                re_renderer::importer::stl::load_stl_from_buffer(bytes, render_ctx, texture_key)?
-            }
+            MediaType::STL => re_renderer::importer::stl::load_stl_from_buffer(bytes, render_ctx)?,
             _ => anyhow::bail!("{media_type} files are not supported"),
         };
 
@@ -88,7 +83,6 @@ impl LoadedMesh {
     fn load_asset3d(
         name: String,
         asset3d: &Asset3D,
-        texture_key: u64,
         render_ctx: &RenderContext,
     ) -> anyhow::Result<Self> {
         re_tracing::profile_function!();
@@ -96,7 +90,7 @@ impl LoadedMesh {
         let media_type =
             MediaType::or_guess_from_data(asset3d.media_type.clone(), asset3d.blob.as_slice())
                 .ok_or_else(|| anyhow::anyhow!("couldn't guess media type"))?;
-        let slf = Self::load_asset3d_parts(name, &media_type, asset3d, render_ctx, texture_key)?;
+        let slf = Self::load_asset3d_parts(name, &media_type, asset3d, render_ctx)?;
 
         Ok(slf)
     }
diff --git a/crates/viewer/re_space_view_spatial/src/visualizers/assets3d.rs b/crates/viewer/re_space_view_spatial/src/visualizers/assets3d.rs
index 0c2a0559b0e5..67dc144fde9a 100644
--- a/crates/viewer/re_space_view_spatial/src/visualizers/assets3d.rs
+++ b/crates/viewer/re_space_view_spatial/src/visualizers/assets3d.rs
@@ -77,7 +77,6 @@ impl Asset3DVisualizer {
                             media_type: data.media_type.clone().map(Into::into),
                             albedo_factor: data.albedo_factor.copied(),
                         },
-                        texture_key: re_log_types::hash::Hash64::hash(&key).hash64(),
                     },
                     render_ctx,
                 )