diff --git a/Kernel/VirtIO/VirtIO.cpp b/Kernel/VirtIO/VirtIO.cpp
index d004d7f781..5525ee9c86 100644
--- a/Kernel/VirtIO/VirtIO.cpp
+++ b/Kernel/VirtIO/VirtIO.cpp
@@ -12,7 +12,7 @@
 
 namespace Kernel {
 
-void VirtIO::detect()
+UNMAP_AFTER_INIT void VirtIO::detect()
 {
     if (kernel_command_line().disable_virtio())
         return;
@@ -37,7 +37,7 @@ void VirtIO::detect()
     });
 }
 
-VirtIODevice::VirtIODevice(PCI::Address address, String class_name)
+UNMAP_AFTER_INIT VirtIODevice::VirtIODevice(PCI::Address address, String class_name)
     : PCI::Device(address, PCI::get_interrupt_line(address))
     , m_class_name(move(class_name))
     , m_io_base(IOAddress(PCI::get_BAR0(pci_address()) & ~1))