diff --git a/config/build/nrf52/Makefile.nrf52 b/config/build/nrf52/Makefile.nrf52
index ea198f8..c4f82bf 100644
--- a/config/build/nrf52/Makefile.nrf52
+++ b/config/build/nrf52/Makefile.nrf52
@@ -1,3 +1,6 @@
+CPU = cortex-m4
+CROSS_COMPILE ?= arm-none-eabi-
+
 NRF_C_OBJS = $(patsubst $(NRF_PATH)%,$(OBJ_DIR)/%,$(patsubst %.c,%.o,$(NRF_C_SRCS)))
 
 NRF_A_SRCS = $(NRF_PATH)modules/nrfx/mdk/gcc_startup_nrf52.S
diff --git a/config/build/nrf52/blinky/Makefile.blinky b/config/build/nrf52/blinky/Makefile.blinky
index f8a5aed..019c083 100644
--- a/config/build/nrf52/blinky/Makefile.blinky
+++ b/config/build/nrf52/blinky/Makefile.blinky
@@ -1,6 +1,3 @@
-CPU = cortex-m4
-CROSS_COMPILE ?= arm-none-eabi-
-
 NRF_PATH := nrf5sdk/
 INCLUDES += $(NRF_PATH)components/
 INCLUDES += $(NRF_PATH)modules/nrfx/mdk/
diff --git a/config/build/nrf52/button/Makefile.button b/config/build/nrf52/button/Makefile.button
index aef60c1..e2300ed 100644
--- a/config/build/nrf52/button/Makefile.button
+++ b/config/build/nrf52/button/Makefile.button
@@ -1,6 +1,3 @@
-CPU = cortex-m4
-CROSS_COMPILE ?= arm-none-eabi-
-
 NRF_PATH := nrf5sdk/
 INCLUDES += $(NRF_PATH)components/
 INCLUDES += $(NRF_PATH)modules/nrfx/mdk/
diff --git a/config/build/nrf52/spi/Makefile.spi b/config/build/nrf52/spi/Makefile.spi
index 8a4c103..35f67f7 100644
--- a/config/build/nrf52/spi/Makefile.spi
+++ b/config/build/nrf52/spi/Makefile.spi
@@ -1,3 +1,6 @@
+CPU = cortex-m4
+CROSS_COMPILE ?= arm-none-eabi-
+
 NRF_PATH := nrf5sdk/
 INCLUDES += $(NRF_PATH)components/
 INCLUDES += $(NRF_PATH)modules/nrfx/mdk/