diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 3c6d260ed8186181892a9b5133fea9d56c5cf3ef..28ae7c394d9fe9518600407394cd1fca172ea1c8 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -3744,10 +3744,10 @@ virDomainHostdevDefParseXMLSubsys(xmlNodePtr node,
         if (virDomainHostdevSubsysPciDefParseXML(sourcenode, def, flags) < 0)
             goto error;
 
-        backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_DEFAULT;
+        backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT;
         if ((backendStr = virXPathString("string(./driver/@name)", ctxt)) &&
             (((backend = virDomainHostdevSubsysPciBackendTypeFromString(backendStr)) < 0) ||
-             backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_DEFAULT)) {
+             backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT)) {
             virReportError(VIR_ERR_INTERNAL_ERROR,
                            _("Unknown PCI device <driver name='%s'/> "
                              "has been specified"), backendStr);
@@ -13846,7 +13846,7 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
                                 bool includeTypeInAddr)
 {
     if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
-        def->source.subsys.u.pci.backend != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_DEFAULT) {
+        def->source.subsys.u.pci.backend != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT) {
         const char *backend = virDomainHostdevSubsysPciBackendTypeToString(def->source.subsys.u.pci.backend);
 
         if (!backend) {
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index b2f281580d57436c4a1bb553b0fc2a1bd22c2516..3a0f23ae7eaa634cb5d16bd616ae5ec4def9c8a9 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -391,9 +391,9 @@ enum virDomainHostdevSubsysType {
 
 /* the backend driver used for PCI hostdev devices */
 typedef enum {
-    VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_DEFAULT, /* currently kvm, could change */
-    VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_KVM,    /* force legacy kvm style */
-    VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO,   /* force vfio */
+    VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT, /* currently kvm, could change */
+    VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM,    /* force legacy kvm style */
+    VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO,   /* force vfio */
 
     VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_LAST
 } virDomainHostdevSubsysPciBackendType;
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 0c0b35688c009ee65747594f93ca9849e3885d0f..1a81ae38d577065844ccdfc8834101b9113da2b9 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -3898,13 +3898,13 @@ networkAllocateActualDevice(virDomainNetDefPtr iface)
         switch (netdef->forward.driverName)
         {
         case VIR_NETWORK_FORWARD_DRIVER_NAME_DEFAULT:
-            backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_DEFAULT;
+            backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT;
             break;
         case VIR_NETWORK_FORWARD_DRIVER_NAME_KVM:
-            backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_KVM;
+            backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM;
             break;
         case VIR_NETWORK_FORWARD_DRIVER_NAME_VFIO:
-            backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO;
+            backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO;
             break;
         default:
             virReportError(VIR_ERR_INTERNAL_ERROR,
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 69ea83fd0dd7da70c3ab3bed4f27e2965cf3c598..67e2614a1679c3fc7c4df97f87c826839117eb16 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4423,7 +4423,7 @@ qemuBuildPCIHostdevDevStr(virDomainHostdevDefPtr dev, const char *configfd,
     virBuffer buf = VIR_BUFFER_INITIALIZER;
 
     if (dev->source.subsys.u.pci.backend
-        == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+        == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
         virBufferAddLit(&buf, "vfio-pci");
     } else {
         virBufferAddLit(&buf, "pci-assign");
@@ -7925,7 +7925,7 @@ qemuBuildCommandLine(virConnectPtr conn,
             } else {
                 if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
                     if (hostdev->source.subsys.u.pci.backend
-                        == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+                        == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
                         if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VFIO_PCI_BOOTINDEX)) {
                             virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                                            _("booting from PCI devices assigned with VFIO "
@@ -7975,7 +7975,7 @@ qemuBuildCommandLine(virConnectPtr conn,
             hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
 
             if (hostdev->source.subsys.u.pci.backend
-                == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+                == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
                 unsigned long long memKB;
 
                 if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VFIO_PCI)) {
@@ -7997,7 +7997,7 @@ qemuBuildCommandLine(virConnectPtr conn,
             if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
                 char *configfd_name = NULL;
                 if ((hostdev->source.subsys.u.pci.backend
-                     != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) &&
+                     != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) &&
                     virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) {
                     int configfd = qemuOpenPCIConfig(hostdev);
 
diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c
index 036e92250eb375bf1471429689b8d7fe7450f577..4d1f39d2ed41c23ddbd00f3d1e20700f1b51d765 100644
--- a/src/qemu/qemu_hostdev.c
+++ b/src/qemu/qemu_hostdev.c
@@ -68,7 +68,7 @@ qemuGetPciHostDeviceList(virDomainHostdevDefPtr *hostdevs, int nhostdevs)
 
         virPCIDeviceSetManaged(dev, hostdev->managed);
         if (hostdev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             virPCIDeviceSetStubDriver(dev, "vfio-pci");
         } else {
             virPCIDeviceSetStubDriver(dev, "pci-stub");
@@ -157,7 +157,7 @@ int qemuUpdateActivePciHostdevs(virQEMUDriverPtr driver,
 
         virPCIDeviceSetManaged(dev, hostdev->managed);
         if (hostdev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             virPCIDeviceSetStubDriver(dev, "vfio-pci");
         } else {
             virPCIDeviceSetStubDriver(dev, "pci-stub");
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 9fa2ca4a2fb1a1acb3e483c024f648bcbadf2ed5..f5fa1c4cf0658ff23d436e1e911266fb39276a75 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -992,7 +992,7 @@ int qemuDomainAttachHostPciDevice(virQEMUDriverPtr driver,
         return -1;
 
     if (hostdev->source.subsys.u.pci.backend
-        == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+        == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
         unsigned long long memKB;
 
         if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE_VFIO_PCI)) {
@@ -1019,7 +1019,7 @@ int qemuDomainAttachHostPciDevice(virQEMUDriverPtr driver,
             goto error;
         releaseaddr = true;
         if ((hostdev->source.subsys.u.pci.backend
-             != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) &&
+             != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) &&
             virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) {
             configfd = qemuOpenPCIConfig(hostdev);
             if (configfd >= 0) {
diff --git a/src/security/security_apparmor.c b/src/security/security_apparmor.c
index 0aff794a9a917e37a7b850326c18183a2a9a0f24..4fa0384c4e06320a6187658922fa97073587e7a8 100644
--- a/src/security/security_apparmor.c
+++ b/src/security/security_apparmor.c
@@ -832,7 +832,7 @@ AppArmorSetSecurityHostdevLabel(virSecurityManagerPtr mgr,
             goto done;
 
         if (dev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             char *vfioGroupDev = virPCIDeviceGetVFIOGroupDev(pci);
 
             if (!vfioGroupDev)
diff --git a/src/security/security_dac.c b/src/security/security_dac.c
index 5e00112d1026f8e093cdd696769fce239afe951c..0366c1723b1d5149d49184232ed2a44293d0ba62 100644
--- a/src/security/security_dac.c
+++ b/src/security/security_dac.c
@@ -517,7 +517,7 @@ virSecurityDACSetSecurityHostdevLabel(virSecurityManagerPtr mgr,
             goto done;
 
         if (dev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             char *vfioGroupDev = virPCIDeviceGetVFIOGroupDev(pci);
 
             if (!vfioGroupDev)
@@ -608,7 +608,7 @@ virSecurityDACRestoreSecurityHostdevLabel(virSecurityManagerPtr mgr,
             goto done;
 
         if (dev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             char *vfioGroupDev = virPCIDeviceGetVFIOGroupDev(pci);
 
             if (!vfioGroupDev)
diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c
index a5b54cb8211f0c9cbe05241a38709cd4849841b3..87a09c7b148e4a320bddc9daa59ca8741c20f7ad 100644
--- a/src/security/security_selinux.c
+++ b/src/security/security_selinux.c
@@ -1343,7 +1343,7 @@ virSecuritySELinuxSetSecurityHostdevSubsysLabel(virDomainDefPtr def,
             goto done;
 
         if (dev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             char *vfioGroupDev = virPCIDeviceGetVFIOGroupDev(pci);
 
             if (!vfioGroupDev)
@@ -1515,7 +1515,7 @@ virSecuritySELinuxRestoreSecurityHostdevSubsysLabel(virSecurityManagerPtr mgr,
             goto done;
 
         if (dev->source.subsys.u.pci.backend
-            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_VFIO) {
+            == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
             char *vfioGroupDev = virPCIDeviceGetVFIOGroupDev(pci);
 
             if (!vfioGroupDev)