diff --git a/boards/nrf6310/Makefile.features b/boards/nrf6310/Makefile.features
index d2712cafab..46b201fafb 100644
--- a/boards/nrf6310/Makefile.features
+++ b/boards/nrf6310/Makefile.features
@@ -1,8 +1,8 @@
+CPU_MODEL = nrf51x22xxaa
+
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_uart
 
 # include common nrf51 based boards features
 include $(RIOTBOARD)/common/nrf51/Makefile.features
-
-include $(RIOTCPU)/nrf51/Makefile.features
diff --git a/boards/nrf6310/Makefile.include b/boards/nrf6310/Makefile.include
index a70b6acf73..26fa8f3365 100644
--- a/boards/nrf6310/Makefile.include
+++ b/boards/nrf6310/Makefile.include
@@ -1,6 +1,3 @@
-# define the used CPU
-export CPU_MODEL = nrf51x22xxaa
-
 # set default port depending on operating system
 PORT_LINUX ?= /dev/ttyUSB0
 PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.SLAB_USBtoUART*)))