diff --git a/arch/Kconfig b/arch/Kconfig
index dedc122a590..5d099b993c9 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -517,14 +517,6 @@ config CPU_HAS_MMU
 	  This hidden option is selected when the CPU has a Memory Management Unit
 	  (MMU).
 
-config ARCH_HAS_RESERVED_PAGE_FRAMES
-	bool
-	help
-	  This hidden configuration should be selected by the architecture if
-	  certain RAM page frames need to be marked as reserved and never used for
-	  memory mappings. The architecture will need to implement
-	  arch_reserved_pages_update().
-
 menuconfig MMU
 	bool "Enable MMU features"
 	depends on CPU_HAS_MMU
diff --git a/kernel/include/kernel_arch_interface.h b/kernel/include/kernel_arch_interface.h
index 4e014d05619..c784852e809 100644
--- a/kernel/include/kernel_arch_interface.h
+++ b/kernel/include/kernel_arch_interface.h
@@ -282,20 +282,6 @@ int arch_mem_map(void *dest, uintptr_t addr, size_t size, uint32_t flags);
  * @param size Page-aligned region size
  */
 void arch_mem_unmap(void *addr, size_t size);
-
-#ifdef CONFIG_ARCH_HAS_RESERVED_PAGE_FRAMES
-/**
- * Update page frame database with reserved pages
- *
- * Some page frames within system RAM may not be available for use. A good
- * example of this is reserved regions in the first megabyte on PC-like systems.
- *
- * Implementations of this function should mark all relavent entries in
- * z_page_frames with K_PAGE_FRAME_RESERVED. This function is called at
- * early system initialization with mm_lock held.
- */
-void arch_reserved_pages_update(void);
-#endif /* ARCH_HAS_RESERVED_PAGE_FRAMES */
 #endif /* CONFIG_MMU */
 /** @} */