diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5ddd575159fb8..021bc9cd43da8 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2460,8 +2460,7 @@ config SLUB_KUNIT_TEST
 
 config RATIONAL_KUNIT_TEST
 	tristate "KUnit test for rational.c" if !KUNIT_ALL_TESTS
-	depends on KUNIT
-	select RATIONAL
+	depends on KUNIT && RATIONAL
 	default KUNIT_ALL_TESTS
 	help
 	  This builds the rational math unit test.