diff --git a/arch/arm/core/cpu_idle.S b/arch/arm/core/cpu_idle.S
index 43a96383458..b139539a63c 100644
--- a/arch/arm/core/cpu_idle.S
+++ b/arch/arm/core/cpu_idle.S
@@ -28,6 +28,11 @@ GTEXT(_NanoIdleValClear)
 GTEXT(k_cpu_idle)
 GTEXT(k_cpu_atomic_idle)
 
+#define _SCB_SCR 0xE000ED10
+
+#define _SCB_SCR_SEVONPEND (1 << 4)
+#define _SCB_SCR_SLEEPDEEP (1 << 2)
+#define _SCB_SCR_SLEEPONEXIT (1 << 1)
 #define _SCR_INIT_BITS _SCB_SCR_SEVONPEND
 
 /**
diff --git a/include/arch/arm/cortex_m/scb.h b/include/arch/arm/cortex_m/scb.h
index d5358aa3c1c..d2bbdf224e5 100644
--- a/include/arch/arm/cortex_m/scb.h
+++ b/include/arch/arm/cortex_m/scb.h
@@ -35,13 +35,6 @@ extern "C" {
 
 #ifdef _ASMLANGUAGE
 
-/* needed by k_cpu_atomic_idle() written in asm */
-#define _SCB_SCR 0xE000ED10
-
-#define _SCB_SCR_SEVONPEND (1 << 4)
-#define _SCB_SCR_SLEEPDEEP (1 << 2)
-#define _SCB_SCR_SLEEPONEXIT (1 << 1)
-
 #else
 
 #include <kernel.h>