diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 6293a8768a91..49fb85a5a2b7 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -169,14 +169,6 @@ config IOMMU_DEBUG
 	  options. See Documentation/x86/x86_64/boot-options.txt for more
 	  details.
 
-config IOMMU_STRESS
-	bool "Enable IOMMU stress-test mode"
-	---help---
-	  This option disables various optimizations in IOMMU related
-	  code to do real stress testing of the IOMMU code. This option
-	  will cause a performance drop and should only be enabled for
-	  testing.
-
 config IOMMU_LEAK
 	bool "IOMMU leak tracing"
 	depends on IOMMU_DEBUG && DMA_API_DEBUG