9 files changed, 13 insertions, 13 deletions
diff --git a/t/helper/test-bloom.c b/t/helper/test-bloom.c
index 14e075c1a1..9aa2c5a592 100644
--- a/t/helper/test-bloom.c
+++ b/t/helper/test-bloom.c
@@ -44,7 +44,7 @@ static void get_bloom_filter_for_commit(const struct object_id *commit_oid)
 	print_bloom_filter(filter);
 }
 
-static const char *bloom_usage = "\n"
+static const char *const bloom_usage = "\n"
 "  test-tool bloom get_murmur3 <string>\n"
 "  test-tool bloom get_murmur3_seven_highbit\n"
 "  test-tool bloom generate_filter <string> [<string>...]\n"
diff --git a/t/helper/test-date.c b/t/helper/test-date.c
index f25512de9a..87d2ad6fca 100644
--- a/t/helper/test-date.c
+++ b/t/helper/test-date.c
@@ -2,7 +2,7 @@
 #include "date.h"
 #include "trace.h"
 
-static const char *usage_msg = "\n"
+static const char *const usage_msg = "\n"
 "  test-tool date relative [time_t]...\n"
 "  test-tool date human [time_t]...\n"
 "  test-tool date show:<format> [time_t]...\n"
diff --git a/t/helper/test-find-pack.c b/t/helper/test-find-pack.c
index 85a69a4e55..76c2f4eba8 100644
--- a/t/helper/test-find-pack.c
+++ b/t/helper/test-find-pack.c
@@ -15,7 +15,7 @@
  * packfiles containing the object is not <n>.
  */
 
-static const char *find_pack_usage[] = {
+static const char *const find_pack_usage[] = {
 	"test-tool find-pack [--check-count <n>] <object>",
 	NULL
 };
diff --git a/t/helper/test-getcwd.c b/t/helper/test-getcwd.c
index d680038a78..cd4d424079 100644
--- a/t/helper/test-getcwd.c
+++ b/t/helper/test-getcwd.c
@@ -2,7 +2,7 @@
 #include "git-compat-util.h"
 #include "parse-options.h"
 
-static const char *getcwd_usage[] = {
+static const char *const getcwd_usage[] = {
 	"test-tool getcwd",
 	NULL
 };
diff --git a/t/helper/test-pack-mtimes.c b/t/helper/test-pack-mtimes.c
index f8f9afbb5b..fb8d919f6b 100644
--- a/t/helper/test-pack-mtimes.c
+++ b/t/helper/test-pack-mtimes.c
@@ -24,7 +24,7 @@ static void dump_mtimes(struct packed_git *p)
 	}
 }
 
-static const char *pack_mtimes_usage = "\n"
+static const char *const pack_mtimes_usage = "\n"
 "  test-tool pack-mtimes <pack-name.mtimes>";
 
 int cmd__pack_mtimes(int argc, const char **argv)
diff --git a/t/helper/test-proc-receive.c b/t/helper/test-proc-receive.c
index 3703f734f3..8eccc34216 100644
--- a/t/helper/test-proc-receive.c
+++ b/t/helper/test-proc-receive.c
@@ -6,7 +6,7 @@
 #include "sigchain.h"
 #include "string-list.h"
 
-static const char *proc_receive_usage[] = {
+static const char *const proc_receive_usage[] = {
 	"test-tool proc-receive [<options>]",
 	NULL
 };
diff --git a/t/helper/test-rot13-filter.c b/t/helper/test-rot13-filter.c
index 722b1cbe77..ad37e10034 100644
--- a/t/helper/test-rot13-filter.c
+++ b/t/helper/test-rot13-filter.c
@@ -324,7 +324,7 @@ static void packet_initialize(void)
 	packet_flush(1);
 }
 
-static const char *rot13_usage[] = {
+static const char *const rot13_usage[] = {
 	"test-tool rot13-filter [--always-delay] --log=<path> <capabilities>",
 	NULL
 };
diff --git a/t/helper/test-submodule.c b/t/helper/test-submodule.c
index 22e518d229..0133852e1e 100644
--- a/t/helper/test-submodule.c
+++ b/t/helper/test-submodule.c
@@ -12,33 +12,33 @@
 
 #define TEST_TOOL_CHECK_NAME_USAGE \
 	"test-tool submodule check-name"
-static const char *submodule_check_name_usage[] = {
+static const char *const submodule_check_name_usage[] = {
 	TEST_TOOL_CHECK_NAME_USAGE,
 	NULL
 };
 
 #define TEST_TOOL_CHECK_URL_USAGE \
 	"test-tool submodule check-url"
-static const char *submodule_check_url_usage[] = {
+static const char *const submodule_check_url_usage[] = {
 	TEST_TOOL_CHECK_URL_USAGE,
 	NULL
 };
 
 #define TEST_TOOL_IS_ACTIVE_USAGE \
 	"test-tool submodule is-active <name>"
-static const char *submodule_is_active_usage[] = {
+static const char *const submodule_is_active_usage[] = {
 	TEST_TOOL_IS_ACTIVE_USAGE,
 	NULL
 };
 
 #define TEST_TOOL_RESOLVE_RELATIVE_URL_USAGE \
 	"test-tool submodule resolve-relative-url <up_path> <remoteurl> <url>"
-static const char *submodule_resolve_relative_url_usage[] = {
+static const char *const submodule_resolve_relative_url_usage[] = {
 	TEST_TOOL_RESOLVE_RELATIVE_URL_USAGE,
 	NULL,
 };
 
-static const char *submodule_usage[] = {
+static const char *const submodule_usage[] = {
 	TEST_TOOL_CHECK_NAME_USAGE,
 	TEST_TOOL_CHECK_URL_USAGE,
 	TEST_TOOL_IS_ACTIVE_USAGE,
diff --git a/t/helper/test-windows-named-pipe.c b/t/helper/test-windows-named-pipe.c
index ae52183e63..bd73784ceb 100644
--- a/t/helper/test-windows-named-pipe.c
+++ b/t/helper/test-windows-named-pipe.c
@@ -3,7 +3,7 @@
 #include "strbuf.h"
 
 #ifdef GIT_WINDOWS_NATIVE
-static const char *usage_string = "<pipe-filename>";
+static const char *const usage_string = "<pipe-filename>";
 
 #define TEST_BUFSIZE (4096)