diff --git a/arch/x86/tools/insn_decoder_test.c b/arch/x86/tools/insn_decoder_test.c
index 6c2986d2ad11..08cd913cbd4e 100644
--- a/arch/x86/tools/insn_decoder_test.c
+++ b/arch/x86/tools/insn_decoder_test.c
@@ -12,8 +12,6 @@
 #include <stdarg.h>
 #include <linux/kallsyms.h>
 
-#define unlikely(cond) (cond)
-
 #include <asm/insn.h>
 #include <inat.c>
 #include <insn.c>