diff --git a/src/util/colour32.h b/src/util/colour32.h
deleted file mode 100644
index 10f64c9..0000000
--- a/src/util/colour32.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#pragma once
-#include <stdint.h>
-
-#include "vec.h"
-
-#define COLOUR32_BLACK   ((u8vec4){0x00, 0x00, 0x00, 0xFF})
-#define COLOUR32_RED     ((u8vec4){0xFF, 0x00, 0x00, 0xFF})
-#define COLOUR32_YELLOW  ((u8vec4){0xFF, 0xFF, 0x00, 0xFF})
-#define COLOUR32_ORANGE  ((u8vec4){0xFF, 0x6D, 0x00, 0xFF})
-#define COLOUR32_GREEN   ((u8vec4){0x00, 0xFF, 0x00, 0xFF})
-#define COLOUR32_CYAN    ((u8vec4){0x00, 0xFF, 0xFF, 0xFF})
-#define COLOUR32_BLUE    ((u8vec4){0x00, 0x00, 0xFF, 0xFF})
-#define COLOUR32_MAGENTA ((u8vec4){0xFF, 0x00, 0xFF, 0xFF})
-#define COLOUR32_WHITE   ((u8vec4){0xFF, 0xFF, 0xFF, 0xFF})
-
-// american macros:
-#define COLOR32_BLACK   COLOUR32_BLACK
-#define COLOR32_RED     COLOUR32_RED
-#define COLOR32_YELLOW  COLOUR32_YELLOW
-#define COLOR32_ORANGE  COLOUR32_ORANGE
-#define COLOR32_GREEN   COLOUR32_GREEN
-#define COLOR32_CYAN    COLOUR32_CYAN
-#define COLOR32_BLUE    COLOUR32_BLUE
-#define COLOR32_MAGENTA COLOUR32_MAGENTA
-#define COLOR32_WHITE   COLOUR32_WHITE