diff --git a/src/l2/tests/r0/r0_assets.h b/src/l2/tests/r0/r0_assets.h
index b95802c..1460d7a 100644
--- a/src/l2/tests/r0/r0_assets.h
+++ b/src/l2/tests/r0/r0_assets.h
@@ -647,7 +647,7 @@ TextureDataR8G8B8A8 generate_normal_tex_for_one_fourth_of_a_cylinder(float s_res
 
     Bublazhuzhka crap_on_the_back_side = fill_rectangle_with_crap(w, r);
     mat3x2 trop_back_side = {.x.x = cord_resol.x, .y.y = cord_resol.y, .z = vec2_mul_vec2((vec2){r, r}, cord_resol)};
-    mat3 orient_back_side = {.x = {1, 0, 0}, .y = {0, 0, 1}, {0, 1, 0}};
+    mat3 orient_back_side = {.x = {1, 0, 0}, .y = {0, 0, 1}, .z = {0, 1, 0}};
     draw_polygon_on_normal_texture_flat_param_surf(&res, (vec2){0, 0}, (vec2){w, 0}, (vec2){w, r}, trop_back_side, orient_back_side,
         (FnHeightMapGradFlatSurfCallback){.fn = height_map_cb_that_uses_bublazhuzhka, .guest = &crap_on_the_back_side});
     draw_polygon_on_normal_texture_flat_param_surf(&res, (vec2){0, 0}, (vec2){0, r}, (vec2){w, r}, trop_back_side, orient_back_side,
diff --git a/src/l2/tests/r0/shaders/glsl/0/0.frag b/src/l2/tests/r0/shaders/glsl/0/0.frag
index 937940c..8f41989 100644
--- a/src/l2/tests/r0/shaders/glsl/0/0.frag
+++ b/src/l2/tests/r0/shaders/glsl/0/0.frag
@@ -60,7 +60,4 @@ void main(){
     // todo: add specular map texture
     vec3 color = natural_color * diffuse_illumination + 0.5 * specular_illumination;
     fin_color = vec4(color, 1);
-    // fin_color = vec4(compressed_normal, 1);
-    // fin_color = vec4(specular_illumination, 1);
-    // fin_color = vec4(length(norm) > 1 ? length(norm) - 1 : 0, length(norm) < 1 ? length(norm) - 1 : 0, 0, 1);
 }