diff --git a/kernel/time/clocksource-wdtest.c b/kernel/time/clocksource-wdtest.c
index d06185e054ea..62e73444ffe4 100644
--- a/kernel/time/clocksource-wdtest.c
+++ b/kernel/time/clocksource-wdtest.c
@@ -22,6 +22,7 @@
 #include "tick-internal.h"
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Clocksource watchdog unit test");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@kernel.org>");
 
 static int holdoff = IS_BUILTIN(CONFIG_TEST_CLOCKSOURCE_WATCHDOG) ? 10 : 0;
diff --git a/kernel/time/test_udelay.c b/kernel/time/test_udelay.c
index 20d5df631570..783f2297111b 100644
--- a/kernel/time/test_udelay.c
+++ b/kernel/time/test_udelay.c
@@ -155,5 +155,6 @@ static void __exit udelay_test_exit(void)
 
 module_exit(udelay_test_exit);
 
+MODULE_DESCRIPTION("udelay test module");
 MODULE_AUTHOR("David Riley <davidriley@chromium.org>");
 MODULE_LICENSE("GPL");
diff --git a/kernel/time/time_test.c b/kernel/time/time_test.c
index 3e5d422dd15c..2889763165e5 100644
--- a/kernel/time/time_test.c
+++ b/kernel/time/time_test.c
@@ -96,4 +96,5 @@ static struct kunit_suite time_test_suite = {
 };
 
 kunit_test_suite(time_test_suite);
+MODULE_DESCRIPTION("time unit test suite");
 MODULE_LICENSE("GPL");