diff --git a/guest/pvmfw/src/device_assignment.rs b/guest/pvmfw/src/device_assignment.rs
index bb2e6ce..fb485fe 100644
--- a/guest/pvmfw/src/device_assignment.rs
+++ b/guest/pvmfw/src/device_assignment.rs
@@ -166,7 +166,7 @@
     tokens: Vec<&'a [u8]>,
 }
 
-impl<'a> fmt::Debug for DtPathTokens<'a> {
+impl fmt::Debug for DtPathTokens<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let mut list = f.debug_list();
         for token in &self.tokens {
diff --git a/guest/pvmfw/src/fdt.rs b/guest/pvmfw/src/fdt.rs
index 818d342..fac9a9a 100644
--- a/guest/pvmfw/src/fdt.rs
+++ b/guest/pvmfw/src/fdt.rs
@@ -554,7 +554,7 @@
     }
 }
 
-impl<'a, const N: usize> Iterator for CellChunkIterator<'a, N> {
+impl<const N: usize> Iterator for CellChunkIterator<'_, N> {
     type Item = [u32; N];
     fn next(&mut self) -> Option<Self::Item> {
         let mut ret: Self::Item = [0; N];
diff --git a/libs/libvmbase/src/fdt/pci.rs b/libs/libvmbase/src/fdt/pci.rs
index b526f3d..fcaa806 100644
--- a/libs/libvmbase/src/fdt/pci.rs
+++ b/libs/libvmbase/src/fdt/pci.rs
@@ -14,7 +14,7 @@
 
 //! Library for working with (VirtIO) PCI devices discovered from a device tree.
 
-use core::{ffi::CStr, ops::Range};
+use core::ops::Range;
 use libfdt::{AddressRange, Fdt, FdtError, FdtNode};
 use log::debug;
 use thiserror::Error;
@@ -103,7 +103,7 @@
 
 /// Finds an FDT node with compatible=pci-host-cam-generic.
 fn pci_node(fdt: &Fdt) -> Result<FdtNode, PciError> {
-    fdt.compatible_nodes(CStr::from_bytes_with_nul(b"pci-host-cam-generic\0").unwrap())
+    fdt.compatible_nodes(c"pci-host-cam-generic")
         .map_err(PciError::FdtErrorPci)?
         .next()
         .ok_or(PciError::FdtNoPci)
diff --git a/libs/libvmbase/src/virtio/pci.rs b/libs/libvmbase/src/virtio/pci.rs
index 591ae54..c2e3301 100644
--- a/libs/libvmbase/src/virtio/pci.rs
+++ b/libs/libvmbase/src/virtio/pci.rs
@@ -104,7 +104,7 @@
     }
 }
 
-impl<'a, T: Hal, C: ConfigurationAccess> Iterator for PciTransportIterator<'a, T, C> {
+impl<T: Hal, C: ConfigurationAccess> Iterator for PciTransportIterator<'_, T, C> {
     type Item = PciTransport;
 
     fn next(&mut self) -> Option<Self::Item> {