diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 70f8c8ea89121df644a924b4e87ad44d8c026a72..63521dc6c9d57770974e050844d14be84e6a44bb 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -24,7 +24,7 @@ config UNICORE32
 	  Please see web page at <http://www.pkunity.com/>.
 
 config GENERIC_GPIO
-	def_bool y
+	bool
 
 config GENERIC_CSUM
 	def_bool y