diff --git a/src/mainboard/amd/bilby/Kconfig b/src/mainboard/amd/bilby/Kconfig
index 6c25f2a0f2..9688ffe002 100644
--- a/src/mainboard/amd/bilby/Kconfig
+++ b/src/mainboard/amd/bilby/Kconfig
@@ -56,10 +56,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "BILBY"
 
-config DEVICETREE
-	string
-	default "devicetree.cb"
-
 config ONBOARD_VGA_IS_PRIMARY
 	bool
 	default y
diff --git a/src/mainboard/pine64/rockpro64/Kconfig b/src/mainboard/pine64/rockpro64/Kconfig
index 4408d77499..4e04cc68d6 100644
--- a/src/mainboard/pine64/rockpro64/Kconfig
+++ b/src/mainboard/pine64/rockpro64/Kconfig
@@ -26,9 +26,6 @@ config CONSOLE_SERIAL_UART_ADDRESS
 ##########################################################
 #### Update below when adding a new derivative board. ####
 ##########################################################
-config DEVICETREE
-	string
-	default "devicetree.cb" if BOARD_PINE64_ROCKPRO64
 
 config MAINBOARD_PART_NUMBER
 	string