diff --git a/devicemodel/core/vmmapi.c b/devicemodel/core/vmmapi.c
index 8a62c8d8a..d9686554f 100644
--- a/devicemodel/core/vmmapi.c
+++ b/devicemodel/core/vmmapi.c
@@ -508,15 +508,6 @@ vm_unmap_ptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
 	return ioctl(ctx->fd, IC_UNSET_MEMSEG, &memmap);
 }
 
-int
-vm_setup_ptdev_msi(struct vmctx *ctx, struct acrn_vm_pci_msix_remap *msi_remap)
-{
-	if (!msi_remap)
-		return -1;
-
-	return ioctl(ctx->fd, IC_VM_PCI_MSIX_REMAP, msi_remap);
-}
-
 int
 vm_set_ptdev_msix_info(struct vmctx *ctx, struct ic_ptdev_irq *ptirq)
 {
diff --git a/devicemodel/include/vmmapi.h b/devicemodel/include/vmmapi.h
index 2b0655ad5..f6b1271e8 100644
--- a/devicemodel/include/vmmapi.h
+++ b/devicemodel/include/vmmapi.h
@@ -126,8 +126,6 @@ int	vm_map_ptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
 			  vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
 int	vm_unmap_ptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
 			  vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
-int	vm_setup_ptdev_msi(struct vmctx *ctx,
-			   struct acrn_vm_pci_msix_remap *msi_remap);
 int	vm_set_ptdev_msix_info(struct vmctx *ctx, struct ic_ptdev_irq *ptirq);
 int	vm_reset_ptdev_msix_info(struct vmctx *ctx, uint16_t virt_bdf, uint16_t phys_bdf,
 	int vector_count);