diff --git a/renderer/src/gpu/renderer.rs b/renderer/src/gpu/renderer.rs
index 96a5dc55..f7ed599d 100644
--- a/renderer/src/gpu/renderer.rs
+++ b/renderer/src/gpu/renderer.rs
@@ -995,7 +995,6 @@ where
         let tess_coord_attr = device.get_vertex_attr(&alpha_tile_program.program, "TessCoord");
         let tile_origin_attr = device.get_vertex_attr(&alpha_tile_program.program, "TileOrigin");
         let backdrop_attr = device.get_vertex_attr(&alpha_tile_program.program, "Backdrop");
-        let object_attr = device.get_vertex_attr(&alpha_tile_program.program, "Object");
         let tile_index_attr = device.get_vertex_attr(&alpha_tile_program.program, "TileIndex");
         let color_tex_coord_attr = device.get_vertex_attr(&alpha_tile_program.program,
                                                           "ColorTexCoord");
@@ -1030,14 +1029,6 @@ where
             offset: 3,
             divisor: 1,
         });
-        device.configure_vertex_attr(&object_attr, &VertexAttrDescriptor {
-            size: 1,
-            class: VertexAttrClass::Int,
-            attr_type: VertexAttrType::I16,
-            stride: MASK_TILE_INSTANCE_SIZE,
-            offset: 4,
-            divisor: 1,
-        });
         device.configure_vertex_attr(&tile_index_attr, &VertexAttrDescriptor {
             size: 1,
             class: VertexAttrClass::Int,
@@ -1080,7 +1071,6 @@ where
 
         let tess_coord_attr = device.get_vertex_attr(&solid_tile_program.program, "TessCoord");
         let tile_origin_attr = device.get_vertex_attr(&solid_tile_program.program, "TileOrigin");
-        let object_attr = device.get_vertex_attr(&solid_tile_program.program, "Object");
         let color_tex_coord_attr = device.get_vertex_attr(&solid_tile_program.program,
                                                           "ColorTexCoord");
 
@@ -1114,14 +1104,6 @@ where
             offset: 4,
             divisor: 1,
         });
-        device.configure_vertex_attr(&object_attr, &VertexAttrDescriptor {
-            size: 1,
-            class: VertexAttrClass::Int,
-            attr_type: VertexAttrType::I16,
-            stride: SOLID_TILE_INSTANCE_SIZE,
-            offset: 8,
-            divisor: 1,
-        });
 
         SolidTileVertexArray { vertex_array, vertex_buffer }
     }
diff --git a/resources/shaders/tile_alpha_vertex.inc.glsl b/resources/shaders/tile_alpha_vertex.inc.glsl
index 9a13b146..426b2731 100644
--- a/resources/shaders/tile_alpha_vertex.inc.glsl
+++ b/resources/shaders/tile_alpha_vertex.inc.glsl
@@ -16,7 +16,6 @@ uniform vec2 uViewBoxOrigin;
 in vec2 aTessCoord;
 in uvec3 aTileOrigin;
 in int aBackdrop;
-in uint aObject;
 in uint aTileIndex;
 
 out vec2 vTexCoord;
diff --git a/resources/shaders/tile_solid_vertex.inc.glsl b/resources/shaders/tile_solid_vertex.inc.glsl
index 04aa3109..a7932c94 100644
--- a/resources/shaders/tile_solid_vertex.inc.glsl
+++ b/resources/shaders/tile_solid_vertex.inc.glsl
@@ -14,7 +14,6 @@ uniform vec2 uViewBoxOrigin;
 
 in vec2 aTessCoord;
 in vec2 aTileOrigin;
-in uint aObject;
 
 out vec4 vColor;