diff --git a/PVE/QemuConfig.pm b/PVE/QemuConfig.pm
index d49d8823..ca30eda0 100644
--- a/PVE/QemuConfig.pm
+++ b/PVE/QemuConfig.pm
@@ -406,9 +406,8 @@ sub __snapshot_delete_vol_snapshot {
     return if PVE::QemuServer::drive_is_cdrom($drive);
     my $storecfg = PVE::Storage::config();
     my $volid = $drive->{file};
-    my $device = "drive-$ds";
 
-    PVE::QemuServer::qemu_volume_snapshot_delete($vmid, $device, $storecfg, $volid, $snapname);
+    PVE::QemuServer::qemu_volume_snapshot_delete($vmid, $storecfg, $volid, $snapname);
 
     push @$unused, $volid;
 }
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index cdbaa0ee..bbd19186 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -4670,7 +4670,7 @@ sub qemu_volume_snapshot {
 }
 
 sub qemu_volume_snapshot_delete {
-    my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
+    my ($vmid, $storecfg, $volid, $snap) = @_;
 
     my $running = check_running($vmid);
     my $attached_deviceid;