diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index b0bbd76f4a56d0563b6260e7f9a8aec360bacfd2..783ab51e3ff7b74d428ef7a0ca074675e41620f4 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -119,17 +119,10 @@ static void put_tracing_file(char *file)
 	free(file);
 }
 
-static ssize_t calc_data_size;
-
 static ssize_t write_or_die(const void *buf, size_t len)
 {
 	int ret;
 
-	if (calc_data_size) {
-		calc_data_size += len;
-		return len;
-	}
-
 	ret = write(output_fd, buf, len);
 	if (ret < 0)
 		die("writing to '%s'", output_file);