diff --git a/FL/fl_utf8.h b/FL/fl_utf8.h
index ec82dbded..718797062 100644
--- a/FL/fl_utf8.h
+++ b/FL/fl_utf8.h
@@ -49,8 +49,6 @@
 #    define stricmp _stricmp
 #    undef strnicmp
 #    define strnicmp _strnicmp
-#    undef hypot
-#    define hypot _hypot
 #    undef chdir
 #    define chdir _chdir
 #  endif