diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index e693e67..1e99ac8 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -17,7 +17,7 @@
 static char const *input_name = "perf.data";
 static int force;
 
-static const char *const buildid_list_usage[] = {
+static const char * const buildid_list_usage[] = {
 	"perf buildid-list [<options>]",
 	NULL
 };
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 4d33b55..bd71b8c 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -189,8 +189,9 @@
 	return ret;
 }
 
-static const char *const diff_usage[] = {
+static const char * const diff_usage[] = {
 	"perf diff [<options>] [old_file] [new_file]",
+	NULL,
 };
 
 static const struct option options[] = {
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 5c2ab53..db10c0e 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -294,8 +294,7 @@
 	return 0;
 }
 
-//static const char * const report_usage[] = {
-const char * const report_usage[] = {
+static const char * const report_usage[] = {
 	"perf report [<options>] <command>",
 	NULL
 };
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e2285e2..574a215 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -512,7 +512,7 @@
 	return path;
 }
 
-static const char * const annotate_usage[] = {
+static const char * const trace_usage[] = {
 	"perf trace [<options>] <command>",
 	NULL
 };
@@ -581,7 +581,7 @@
 
 	setup_scripting();
 
-	argc = parse_options(argc, argv, options, annotate_usage,
+	argc = parse_options(argc, argv, options, trace_usage,
 			     PARSE_OPT_STOP_AT_NON_OPTION);
 
 	if (symbol__init() < 0)