1 files changed, 0 insertions, 1 deletions

diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0dab140c6517..45a5c6f20197 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -34,7 +34,6 @@ int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size);
 size_t hex_width(u64 v);
 
 extern unsigned int page_size;
-int __pure cacheline_size(void);
 
 int sysctl__max_stack(void);