diff --git a/src/include/units/bits/ratio_maths.h b/src/include/units/bits/ratio_maths.h
index 2ef31bab..31a188e7 100644
--- a/src/include/units/bits/ratio_maths.h
+++ b/src/include/units/bits/ratio_maths.h
@@ -23,7 +23,6 @@
 #pragma once
 
 #include <units/bits/external/hacks.h>
-#include <algorithm>
 #include <array>
 #include <cassert>
 #include <cmath>