diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index d420b98ed47946a92397853738e9106aecf3384d..811c7ead91bae84b317fdc9ea600bac9228adc93 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3906,7 +3906,6 @@ qemuBuildNicDevStr(virDomainDefPtr def,
 
 char *
 qemuBuildHostNetStr(virDomainNetDefPtr net,
-                    virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
                     char **tapfd,
                     size_t tapfdSize,
                     char **vhostfd,
@@ -8551,7 +8550,7 @@ qemuBuildInterfaceCommandLine(virQEMUDriverPtr driver,
     if (chardev)
         virCommandAddArgList(cmd, "-chardev", chardev, NULL);
 
-    if (!(host = qemuBuildHostNetStr(net, driver,
+    if (!(host = qemuBuildHostNetStr(net,
                                      tapfdName, tapfdSize,
                                      vhostfdName, vhostfdSize,
                                      slirpfdName)))
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index ec8e43ace15ec00dce2e370eea9771957796b007..f945b2d6d4de00a30846c422c6f8554fc3d9b347 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -86,7 +86,6 @@ qemuBuildChrDeviceStr(char **deviceStr,
                       virQEMUCapsPtr qemuCaps);
 
 char *qemuBuildHostNetStr(virDomainNetDefPtr net,
-                          virQEMUDriverPtr driver,
                           char **tapfd,
                           size_t tapfdSize,
                           char **vhostfd,
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index cf0d46fee91e91f11299879c263b60b811bb9c21..62e505b77932bc99763afcc3919ba76d6a4f0545 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1383,7 +1383,7 @@ qemuDomainAttachNetDevice(virQEMUDriverPtr driver,
             goto cleanup;
     }
 
-    if (!(netstr = qemuBuildHostNetStr(net, driver,
+    if (!(netstr = qemuBuildHostNetStr(net,
                                        tapfdName, tapfdSize,
                                        vhostfdName, vhostfdSize,
                                        slirpfdName)))