diff --git a/projects/Generic/linux/linux.x86_64.conf b/projects/Generic/linux/linux.x86_64.conf
index e77b8f5843..83135e9b40 100644
--- a/projects/Generic/linux/linux.x86_64.conf
+++ b/projects/Generic/linux/linux.x86_64.conf
@@ -5432,7 +5432,7 @@ CONFIG_AMD_IOMMU_V2=y
 CONFIG_DMAR_TABLE=y
 CONFIG_INTEL_IOMMU=y
 CONFIG_INTEL_IOMMU_SVM=y
-CONFIG_INTEL_IOMMU_DEFAULT_ON=y
+# CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
 CONFIG_INTEL_IOMMU_FLOPPY_WA=y
 # CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON is not set
 CONFIG_IRQ_REMAP=y