diff --git a/glsl/sprite_fragment.glsl b/glsl/sprite_fragment.glsl
deleted file mode 100644
index be35211..0000000
--- a/glsl/sprite_fragment.glsl
+++ /dev/null
@@ -1,20 +0,0 @@
-#version 330 core
-
-// The sprite_texture.
-
-uniform sampler2D sprite_texture;
-
-// The texture_coordinates.
-
-in vec2 texture_coordinates;
-
-// Output to OpenGL.
-
-out vec4 fragment_color;
-
-// Main shader code.
-
-void main()
-{
-    fragment_color = texture(sprite_texture, texture_coordinates);
-}
\ No newline at end of file
diff --git a/glsl/sprite_vertex.glsl b/glsl/sprite_vertex.glsl
deleted file mode 100644
index 02bff08..0000000
--- a/glsl/sprite_vertex.glsl
+++ /dev/null
@@ -1,20 +0,0 @@
-#version 330 core
-
-// Vertex attributes.
-
-layout (location = 0) in vec2 default_screen_position;
-
-layout (location = 1) in vec2 default_texture_coordinates;
-
-// Output to fragment shader.
-
-out vec2 texture_coordinates;
-
-// Main shader code.
-
-void main()
-{
-    gl_Position = vec4(default_screen_position.x, default_screen_position.y, 0.0f, 1.0f);
-
-    texture_coordinates = default_texture_coordinates;
-}
\ No newline at end of file
diff --git a/gui/ascii.png b/gui/ascii.png
deleted file mode 100755
index 587966d..0000000
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diff --git a/gui/buttons.png b/gui/buttons.png
deleted file mode 100644
index 7f23954..0000000
Binary files a/gui/buttons.png and /dev/null differ