diff --git a/test/dat.h b/test/dat.h
index 4fba549..df186b7 100644
--- a/test/dat.h
+++ b/test/dat.h
@@ -2,14 +2,11 @@
 
 #include "../src/util/conf.h"
 #include "../src/util/types.h"
-#include "../src/util/vec/float3.h"
 #include "t_conf.h"
 #include "t_util.h"
 #include "test.h"
 
 testdat tests[] = {
-	{"",            test_float3_norm,        &(float3){2.0F, 0.67F, 5.0F}                                                    },
-	{"",            test_float3_norm,        &(float3){0.2F, 0.4F, 0.1F}                                                     },
 	{"",            test_bswap16,            (u16[]){0x11EE, 0xEE11}							 },
 	{"",            test_bswap32,            (u32[]){0x1142ADEE, 0xEEAD4211}                                                 },
 	{"",            test_bswap64,            (u64[]){0x114266897799ADEE, 0xEEAD997789664211}                                 },
diff --git a/test/t_util.h b/test/t_util.h
index 6ede59f..1dedf8b 100644
--- a/test/t_util.h
+++ b/test/t_util.h
@@ -1,23 +1,11 @@
 #pragma once
-#include <math.h>
 #include <stdint.h>
 
 #include "../src/util/colour32.h"
 #include "../src/util/compat/bswap.h"
 #include "../src/util/types.h"
-#include "../src/util/vec/float3.h"
 #include "test.h"
 
-int test_float3_norm(void *d) {
-	float *arg = d;
-	float3 v = {arg[0], arg[1], arg[2]};
-	float3 r = float3_norm(v);
-	float n = r.x * r.x + r.y * r.y + r.z * r.z;
-
-	// check if the value is within 1 millionth of the one we expect
-	return assert_true(fabsf(n - 1.0F) < 1e-6F);
-}
-
 int test_colour32_endianess(void *d) {
 	(void)d;
 	colour32 c = {0xFF000000}; // setting just the red channel