diff --git a/arch/um/include/asm/xor.h b/arch/um/include/asm/xor.h
index 647fae200c5d..99e5c7e1f475 100644
--- a/arch/um/include/asm/xor.h
+++ b/arch/um/include/asm/xor.h
@@ -2,23 +2,7 @@
 #ifndef _ASM_UM_XOR_H
 #define _ASM_UM_XOR_H
 
-#ifdef CONFIG_64BIT
-#undef CONFIG_X86_32
-#define TT_CPU_INF_XOR_DEFAULT (AVX_SELECT(&xor_block_sse_pf64))
-#else
-#define CONFIG_X86_32 1
-#define TT_CPU_INF_XOR_DEFAULT (AVX_SELECT(&xor_block_8regs))
-#endif
-
 #include <asm/cpufeature.h>
 #include <../../x86/include/asm/xor.h>
-#include <linux/time-internal.h>
-
-#ifdef CONFIG_UML_TIME_TRAVEL_SUPPORT
-#undef XOR_SELECT_TEMPLATE
-/* pick an arbitrary one - measuring isn't possible with inf-cpu */
-#define XOR_SELECT_TEMPLATE(x)	\
-	(time_travel_mode == TT_MODE_INFCPU ? TT_CPU_INF_XOR_DEFAULT : x)
-#endif
 
 #endif