diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 2efec9e77753..fb02cee23b99 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -15,7 +15,6 @@
 
 /* General helper functions */
 void usage(const char *err) __noreturn;
-void die(const char *err, ...) __noreturn __printf(1, 2);
 
 static inline void *zalloc(size_t size)
 {