diff --git a/hypervisor/arch/x86/vtd.c b/hypervisor/arch/x86/vtd.c
index b0e3f9eca..ec200d508 100644
--- a/hypervisor/arch/x86/vtd.c
+++ b/hypervisor/arch/x86/vtd.c
@@ -1289,9 +1289,6 @@ int32_t move_pt_device(const struct iommu_domain *from_domain, struct iommu_doma
 
 void enable_iommu(void)
 {
-	if (!iommu_page_walk_coherent) {
-		cache_flush_invalidate_all();
-	}
 	do_action_for_iommus(dmar_enable);
 }