diff --git a/3-mid/opengl/assets/shader/lit_colored_skinned.frag b/3-mid/opengl/assets/shader/lit_colored_skinned.frag
deleted file mode 100644
index 422287b..0000000
--- a/3-mid/opengl/assets/shader/lit_colored_skinned.frag
+++ /dev/null
@@ -1,50 +0,0 @@
-// Include 'version.header'.
-// Include 'lighting-frag.snippet'
-
-
-
-in  vec3       frag_Site;
-in  vec3       frag_Normal;
-in  vec4       frag_Color;
-
-uniform mat4   model_Transform;
-uniform mat3   inverse_model_Rotation;
-uniform vec3   camera_Site;
-
-out vec4       final_Color;
-
-
-
-void
-main()
-{
-    vec3   surface_Site      = vec3 (  model_Transform
-                                     * vec4 (frag_Site, 1));
-    vec4   surface_Color     = frag_Color;
-
-    vec3   Surface_to_Camera = normalize (camera_Site - surface_Site);
-    vec3   Normal            = normalize (  frag_Normal
-                                          * inverse_model_Rotation);
-
-    // Combine color from all the lights.
-    //
-    vec3   linear_Color = vec3 (0);
-    
-    for (int i = 0;   i < light_Count;   ++i)
-    {
-        linear_Color += apply_Light (Lights [i],
-                                     surface_Color.rgb,
-                                     Normal,
-                                     surface_Site,
-                                     Surface_to_Camera);
-    }
-    
-    vec3   Gamma = vec3 (1.0 / 2.2);
-
-    final_Color = vec4 (pow (linear_Color,     // Final color (after gamma correction).
-                             Gamma),
-                        surface_Color.a);
-                                                
-    final_Color = min (final_Color,            // Prevent light saturation.
-                       surface_Color);
-}
\ No newline at end of file
diff --git a/3-mid/opengl/source/lean/geometry/opengl-geometry-lit_colored_skinned.adb b/3-mid/opengl/source/lean/geometry/opengl-geometry-lit_colored_skinned.adb
index 15af306..4c73483 100644
--- a/3-mid/opengl/source/lean/geometry/opengl-geometry-lit_colored_skinned.adb
+++ b/3-mid/opengl/source/lean/geometry/opengl-geometry-lit_colored_skinned.adb
@@ -112,7 +112,7 @@ is
       vertex_Shader  .define (Shader.Vertex,   "assets/opengl/shader/lit_colored_skinned.vert");
       fragment_Shader.define (Shader.Fragment, (asset_Names' (1 => to_Asset ("assets/opengl/shader/version.header"),
                                                               2 => to_Asset ("assets/opengl/shader/lighting-frag.snippet"),
-                                                              3 => to_Asset ("assets/opengl/shader/lit_colored_skinned.frag"))));
+                                                              3 => to_Asset ("assets/opengl/shader/lit_colored.frag"))));
       the_Program.define (  vertex_Shader'Access,
                           fragment_Shader'Access);
       the_Program.enable;