diff --git a/vm-virtio/src/device.rs b/vm-virtio/src/device.rs
index 6c4a79088..b2291b08e 100644
--- a/vm-virtio/src/device.rs
+++ b/vm-virtio/src/device.rs
@@ -7,7 +7,6 @@
 // SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use super::*;
-use pci::{PciBarConfiguration, PciCapability};
 use std::sync::Arc;
 use vm_memory::{GuestAddress, GuestMemoryMmap, GuestUsize};
 use vmm_sys_util::eventfd::EventFd;
@@ -80,16 +79,6 @@ pub trait VirtioDevice: Send {
         None
     }
 
-    /// Returns any additional BAR configuration required by the device.
-    fn get_device_bars(&self) -> Vec<PciBarConfiguration> {
-        Vec::new()
-    }
-
-    /// Returns any additional capabilities required by the device.
-    fn get_device_caps(&self) -> Vec<Box<dyn PciCapability>> {
-        Vec::new()
-    }
-
     /// Returns the list of shared memory regions required by the device.
     fn get_shm_regions(&self) -> Option<VirtioSharedMemoryList> {
         None
diff --git a/vm-virtio/src/transport/pci_device.rs b/vm-virtio/src/transport/pci_device.rs
index fca7dbfe1..a72a3d872 100755
--- a/vm-virtio/src/transport/pci_device.rs
+++ b/vm-virtio/src/transport/pci_device.rs
@@ -559,22 +559,6 @@ impl PciDevice for VirtioPciDevice {
         // Once the BARs are allocated, the capabilities can be added to the PCI configuration.
         self.add_pci_capabilities(virtio_pci_bar)?;
 
-        // Allocate the device specific BARs.
-        for config in self.device.get_device_bars() {
-            let device_bar_addr = allocator
-                .allocate_mmio_addresses(None, config.get_size(), None)
-                .ok_or_else(|| PciDeviceError::IoAllocationFailed(config.get_size()))?;
-            config.set_address(device_bar_addr.raw_value());
-            let _device_bar = self.configuration.add_pci_bar(&config).map_err(|e| {
-                PciDeviceError::IoRegistrationFailed(device_bar_addr.raw_value(), e)
-            })?;
-            ranges.push((
-                device_bar_addr,
-                config.get_size(),
-                PciBarRegionType::Memory64BitRegion,
-            ));
-        }
-
         Ok(ranges)
     }