diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 127abfe69a..f51e766108 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10711,7 +10711,7 @@ qemuNodeDeviceDetachFlags(virNodeDevicePtr dev,
     virObjectLock(driver->inactivePciHostdevs);
 
     if (virPCIDeviceDetach(pci, driver->activePciHostdevs,
-                           driver->inactivePciHostdevs, NULL) < 0) {
+                           driver->inactivePciHostdevs) < 0) {
         goto out;
     }
 
diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c
index c507c31110..d7d54d7241 100644
--- a/src/qemu/qemu_hostdev.c
+++ b/src/qemu/qemu_hostdev.c
@@ -540,7 +540,7 @@ int qemuPrepareHostdevPCIDevices(virQEMUDriverPtr driver,
     for (i = 0; i < virPCIDeviceListCount(pcidevs); i++) {
         virPCIDevicePtr dev = virPCIDeviceListGet(pcidevs, i);
         if (virPCIDeviceGetManaged(dev) &&
-            virPCIDeviceDetach(dev, driver->activePciHostdevs, NULL, NULL) < 0)
+            virPCIDeviceDetach(dev, driver->activePciHostdevs, NULL) < 0)
             goto reattachdevs;
     }
 
diff --git a/src/util/virpci.c b/src/util/virpci.c
index 2f4032f516..2980e22d3e 100644
--- a/src/util/virpci.c
+++ b/src/util/virpci.c
@@ -1238,15 +1238,12 @@ cleanup:
 int
 virPCIDeviceDetach(virPCIDevicePtr dev,
                    virPCIDeviceList *activeDevs,
-                   virPCIDeviceList *inactiveDevs,
-                   const char *driver)
+                   virPCIDeviceList *inactiveDevs)
 {
-    if (!driver && dev->stubDriver)
-        driver = dev->stubDriver;
-
-    if (virPCIProbeStubDriver(driver) < 0) {
+    if (virPCIProbeStubDriver(dev->stubDriver) < 0) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("Failed to load PCI stub module %s"), driver);
+                       _("Failed to load PCI stub module %s"),
+                       dev->stubDriver);
         return -1;
     }
 
@@ -1256,7 +1253,7 @@ virPCIDeviceDetach(virPCIDevicePtr dev,
         return -1;
     }
 
-    if (virPCIDeviceBindToStub(dev, driver) < 0)
+    if (virPCIDeviceBindToStub(dev, dev->stubDriver) < 0)
         return -1;
 
     /* Add *a copy of* the dev into list inactiveDevs, if
diff --git a/src/util/virpci.h b/src/util/virpci.h
index d069adba0d..944aa09db4 100644
--- a/src/util/virpci.h
+++ b/src/util/virpci.h
@@ -51,8 +51,7 @@ const char *virPCIDeviceGetName(virPCIDevicePtr dev);
 
 int virPCIDeviceDetach(virPCIDevicePtr dev,
                        virPCIDeviceListPtr activeDevs,
-                       virPCIDeviceListPtr inactiveDevs,
-                       const char *driver);
+                       virPCIDeviceListPtr inactiveDevs);
 int virPCIDeviceReattach(virPCIDevicePtr dev,
                          virPCIDeviceListPtr activeDevs,
                          virPCIDeviceListPtr inactiveDevs);
diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index 38adb23bb2..f69feb581f 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -2440,7 +2440,7 @@ xenUnifiedNodeDeviceDetachFlags(virNodeDevicePtr dev,
         goto out;
     }
 
-    if (virPCIDeviceDetach(pci, NULL, NULL, NULL) < 0)
+    if (virPCIDeviceDetach(pci, NULL, NULL) < 0)
         goto out;
 
     ret = 0;