diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index 0194cea..d33e943 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -100,7 +100,7 @@
 	exit(0);
 }
 
-int ui__init(bool fallback_to_pager __used)
+int ui__init(void)
 {
 	int err;