diff --git a/src/runtime-rs/crates/hypervisor/ch-config/src/convert.rs b/src/runtime-rs/crates/hypervisor/ch-config/src/convert.rs
index fa8dfded49..e830ce39d8 100644
--- a/src/runtime-rs/crates/hypervisor/ch-config/src/convert.rs
+++ b/src/runtime-rs/crates/hypervisor/ch-config/src/convert.rs
@@ -1653,7 +1653,6 @@ mod tests {
             result: Result<VmConfig, VmConfigError>,
         }
 
-        let u8_max = std::u8::MAX;
         let sysinfo = nix::sys::sysinfo::sysinfo().unwrap();
 
         let actual_max_mem_bytes = sysinfo.ram_total();
@@ -1679,8 +1678,8 @@ mod tests {
         let valid_vsock =
             VsockConfig::try_from((vsock_socket_path.to_string(), DEFAULT_VSOCK_CID)).unwrap();
 
-        let (cpu_info, cpus_config) = make_cpu_objects(7, u8_max, false);
-        let (cpu_info_tdx, cpus_config_tdx) = make_cpu_objects(7, u8_max, true);
+        let (cpu_info, cpus_config) = make_cpu_objects(7, u8::MAX, false);
+        let (cpu_info_tdx, cpus_config_tdx) = make_cpu_objects(7, u8::MAX, true);
 
         let (memory_info_std, mem_config_std) =
             make_memory_objects(79, usable_max_mem_bytes, false);
diff --git a/src/runtime-rs/crates/hypervisor/src/device/util.rs b/src/runtime-rs/crates/hypervisor/src/device/util.rs
index d719fb9e31..ca2bc38c17 100644
--- a/src/runtime-rs/crates/hypervisor/src/device/util.rs
+++ b/src/runtime-rs/crates/hypervisor/src/device/util.rs
@@ -138,7 +138,7 @@ mod tests {
         assert!(do_decrease_count(ref_count_3).unwrap());
 
         // Third, ref_count is MAX
-        let mut max_count = std::u64::MAX;
+        let mut max_count = u64::MAX;
         let ref_count_max: &mut u64 = &mut max_count;
         assert!(do_increase_count(ref_count_max).is_err());
     }
diff --git a/src/runtime-rs/crates/resource/src/network/network_pair.rs b/src/runtime-rs/crates/resource/src/network/network_pair.rs
index bfb0623fe6..7da02682ce 100644
--- a/src/runtime-rs/crates/resource/src/network/network_pair.rs
+++ b/src/runtime-rs/crates/resource/src/network/network_pair.rs
@@ -4,7 +4,7 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-use std::{convert::TryFrom, sync::Arc, usize};
+use std::{convert::TryFrom, sync::Arc};
 
 use anyhow::{anyhow, Context, Result};
 use futures::stream::TryStreamExt;