--- dietlibc-0.33/dietfeatures.h~	2018-02-08 18:18:17.000000000 +0100
+++ dietlibc-0.33/dietfeatures.h	2018-02-08 18:21:02.388516769 +0100
@@ -41,11 +41,6 @@
  * string */
 /* #define WANT_FULL_POSIX_COMPAT */
 
-/* on i386, Linux has an alternate syscall method since 2002/12/16 */
-/* on my Athlon XP, it is twice as fast, but it's only in kernel 2.5 */
-/* 20040118: enabling this breaks User Mode Linux!  It's their fault. */
-#define WANT_SYSENTER
-
 #define WANT_LINKER_WARNINGS
 
 /* you need to define this if you want to run your programs with large