diff --git a/source/extra_defines.cmake b/source/extra_defines.cmake
deleted file mode 100644
index f8c30c8..0000000
--- a/source/extra_defines.cmake
+++ /dev/null
@@ -1,2 +0,0 @@
-add_definitions(-DBLE_STACK_SUPPORT_REQD)
-add_definitions(-Dasm=__ASM)
diff --git a/source/nordic_sdk/components/drivers_nrf/hal/nrf_delay.h b/source/nordic_sdk/components/drivers_nrf/hal/nrf_delay.h
index 762198a..91407d9 100644
--- a/source/nordic_sdk/components/drivers_nrf/hal/nrf_delay.h
+++ b/source/nordic_sdk/components/drivers_nrf/hal/nrf_delay.h
@@ -3,6 +3,8 @@
 
 #include "nrf.h"
 
+#define asm __ASM
+
 /*lint --e{438, 522} "Variable not used" "Function lacks side-effects" */
 #if defined ( __CC_ARM   )
 static __ASM void __INLINE nrf_delay_us(uint32_t volatile number_of_us)
diff --git a/source/nordic_sdk/components/softdevice/common/softdevice_handler/ble_stack_handler_types.h b/source/nordic_sdk/components/softdevice/common/softdevice_handler/ble_stack_handler_types.h
index ede5b12..ed310ef 100644
--- a/source/nordic_sdk/components/softdevice/common/softdevice_handler/ble_stack_handler_types.h
+++ b/source/nordic_sdk/components/softdevice/common/softdevice_handler/ble_stack_handler_types.h
@@ -22,6 +22,7 @@
 #ifndef BLE_STACK_HANDLER_TYPES_H__
 #define BLE_STACK_HANDLER_TYPES_H__
 
+#define BLE_STACK_SUPPORT_REQD
 #ifdef BLE_STACK_SUPPORT_REQD
 
 #include <stdlib.h>