diff --git a/src/simplemath.cpp b/src/simplemath.cpp
index 09536d9d1b0b..46fb20a0db00 100644
--- a/src/simplemath.cpp
+++ b/src/simplemath.cpp
@@ -673,21 +673,6 @@ float erfcf(float x)
 * ====================================================
 */
 
-int msb(unsigned int v)
-{
-    static const int pos[32] = {0, 1, 28, 2, 29, 14, 24, 3,
-                                30, 22, 20, 15, 25, 17, 4, 8, 31, 27, 13, 23, 21, 19,
-                                16, 7, 26, 12, 18, 6, 11, 5, 10, 9
-                               };
-    v |= v >> 1;
-    v |= v >> 2;
-    v |= v >> 4;
-    v |= v >> 8;
-    v |= v >> 16;
-    v = (v >> 1) + 1;
-    return pos[(v * 0x077CB531UL) >> 27];
-}
-
 float fmaf(float x, float y, float z)
 {
     float tmp = x * y;