diff --git a/arch/Kconfig b/arch/Kconfig
index a3fee929276..c0818d8a729 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -792,15 +792,11 @@ endif # ARCH_VMA_MAPPING
 config ARCH_KMAP_NPAGES
 	int "Max kernel dynamic mapping pages"
 	default 1
+	depends on MM_KMAP
 	---help---
 		The maximum amount of pages that a kernel can use for dynamically
 		mapping physical pages to itself.
 
-		The size of the virtual shared memory address space is then
-		determined by the product of the maximum number of regions, the
-		maximum number of pages per region, and the configured size of
-		each page.
-
 config ARCH_STACK_DYNAMIC
 	bool "Dynamic user stack"
 	default n