diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index fdf7e41e8a4b..8df1b1777745 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -13,7 +13,8 @@ if OF
 
 config OF_UNITTEST
 	bool "Device Tree runtime unit tests"
-	depends on OF_IRQ && OF_EARLY_FLATTREE
+	depends on OF_IRQ
+	select OF_EARLY_FLATTREE
 	select OF_RESOLVE
 	help
 	  This option builds in test cases for the device tree infrastructure