diff --git a/include/mesh.h b/include/mesh.h
index df1626f..9f5a72e 100644
--- a/include/mesh.h
+++ b/include/mesh.h
@@ -21,12 +21,7 @@ struct meMeshInfo
 	glm::vec3* texture_coords; // NOTE: using vec3 to stay aligned with other props
 	uint num_indices;
 	uint* indices;
-	glm::vec3 diffuse_color;
-
-	// TODO: move this to meMeshGroup
-	bool use_texture;
 	util_image diffuse_texture;
-
 	node_animation* node_anim;
 };
 
@@ -40,6 +35,8 @@ struct meMeshGroup
 
 bool meInitAssimp();
 
+// NOTE: meshes loaded from assimp require texture coordinates, and a diffuse
+// 	texture, which can be a seperate file, or embedded in the input file
 bool meLoadFromFile(meMeshGroup& mesh_group, const char* filepath);
 
 void meFreeMeshGroup(meMeshGroup& mesh_group);
diff --git a/include/render_object.h b/include/render_object.h
index 3d4a0a9..043d4b9 100644
--- a/include/render_object.h
+++ b/include/render_object.h
@@ -16,13 +16,5 @@ struct render_object
 	GLuint index_buffer_id;
 };
 
-struct point_light
-{
-	uint light_ID;
-	glm::vec3 position;
-	glm::vec3 color;
-	float intensity;
-};
-
 void roFree(render_object* ro);
 
diff --git a/include/renderer.h b/include/renderer.h
index 3d6afb7..e725d3e 100644
--- a/include/renderer.h
+++ b/include/renderer.h
@@ -22,8 +22,15 @@ struct SDL_Handles
 	SDL_DisplayMode currentDisplayMode;
 };
 
-struct point_light;
+struct point_light
+{
+	uint light_ID;
+	glm::vec3 position;
+	glm::vec3 color;
+	float intensity;
+};
 
+/*
 // NOTE: array of entities rendered with the same shader program
 struct render_group
 {
@@ -32,6 +39,7 @@ struct render_group
 
 	shader_program shader;
 };
+*/
 
 struct render_state
 {
@@ -41,8 +49,8 @@ struct render_state
 	camera cam;
 	util_RGBA clear_col;
 
-	render_group* render_groups;
-	uint render_group_count;
+	//render_group* render_groups;
+	//uint render_group_count;
 
 	point_light* lights;
 	uint num_lights;
diff --git a/src/entity.cpp b/src/entity.cpp
index 6e4ec67..0a5ee47 100644
--- a/src/entity.cpp
+++ b/src/entity.cpp
@@ -5,7 +5,6 @@
 #include "entity.h"
 
 
-void initEntityRG(entity& e, rg_shader_program& shader, bool use_normals);
 bool initEntityROs(entity& e);
 bool convertMeshInfo(meMeshInfo* mesh, render_object* ro, bool use_normals, bool use_texture);
 
@@ -61,6 +60,7 @@ entScale(entity& e, glm::vec3 v)
 	e.world_transform = glm::scale(e.world_transform, v);
 }
 
+#if 0
 void
 initEntityRG(entity& e, rg_shader_program& shader, bool use_normals)
 {
@@ -73,6 +73,7 @@ initEntityRG(entity& e, rg_shader_program& shader, bool use_normals)
 	uint num_meshes = rg->num_objects = e.mesh_group.num_meshes;
 	rg->render_objects = UTIL_ALLOC(num_meshes, render_object*);
 }
+#endif
 
 bool
 initEntityROs(entity& e)
diff --git a/src/mesh.cpp b/src/mesh.cpp
index 6cf565f..248797f 100644
--- a/src/mesh.cpp
+++ b/src/mesh.cpp
@@ -58,14 +58,14 @@ meLoadFromFile(meMeshGroup& mesh_group, const char* filepath)
 		aiMesh* mesh = scene->mMeshes[i];
 		meMeshInfo* mi = copyMeshInfo(scene, mesh);
 
-		if (mesh->HasTextureCoords(0)) {
-			if (!loadDiffuseTexture(scene, mesh, mi)) {
+		if (!mesh->HasTextureCoords(0)
+			|| !loadDiffuseTexture(scene, mesh, mi))
+			{
 				LOG(Error) << "Error loading texture, cleaning up import\n";
 				freeMesh(mi);
 				aiReleaseImport(scene);
 				return false;
 			}
-		}
 
 		mesh_group.meshes[i] = mi;
 	}
@@ -152,7 +152,6 @@ loadDiffuseTexture(const aiScene* scene, aiMesh* mesh, meMeshInfo* mi)
 		LOG(Error) << "No diffuse texture from assimp\n";
 		return false;
 	} else {
-		mi->use_texture = true;
 		const aiTexture* tex = scene->GetEmbeddedTexture(file_name.C_Str());
 
 		if (tex != nullptr) {