diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 7dc96abf72..cca5316256 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1186,7 +1186,7 @@ static void create_smmu(const VirtMachineState *vms,
     g_free(node);
 }
 
-static void create_virtio_iommu_dt_bindings(VirtMachineState *vms, Error **errp)
+static void create_virtio_iommu_dt_bindings(VirtMachineState *vms)
 {
     const char compat[] = "virtio,pci-iommu";
     uint16_t bdf = vms->virtio_iommu_bdf;
@@ -2118,7 +2118,7 @@ static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev,
 
         vms->iommu = VIRT_IOMMU_VIRTIO;
         vms->virtio_iommu_bdf = pci_get_bdf(pdev);
-        create_virtio_iommu_dt_bindings(vms, errp);
+        create_virtio_iommu_dt_bindings(vms);
     }
 }