diff --git a/devices/src/register_space/register.rs b/devices/src/register_space/register.rs
index a61424397d..c5cbe7eb45 100644
--- a/devices/src/register_space/register.rs
+++ b/devices/src/register_space/register.rs
@@ -131,6 +131,7 @@ pub trait RegisterInterface: Send {
     /// Handle write.
     fn write(&self, _addr: RegisterOffset, _data: &[u8]) {}
     /// Reset this register to default value.
+    #[allow(dead_code)]
     fn reset(&self) {}
 }
 
diff --git a/src/crosvm/cmdline.rs b/src/crosvm/cmdline.rs
index a1be479d88..f74e198e58 100644
--- a/src/crosvm/cmdline.rs
+++ b/src/crosvm/cmdline.rs
@@ -646,6 +646,7 @@ pub struct UsbAttachCommand {
         arg_name = "BUS_ID:ADDR:BUS_NUM:DEV_NUM",
         from_str_fn(parse_bus_id_addr)
     )]
+    #[allow(dead_code)]
     pub addr: (u8, u8, u16, u16),
     #[argh(positional)]
     /// usb device path
diff --git a/swap/tests/common/mod.rs b/swap/tests/common/mod.rs
index 3d3afcd8ec..ec62bb9b4d 100644
--- a/swap/tests/common/mod.rs
+++ b/swap/tests/common/mod.rs
@@ -18,6 +18,7 @@ pub fn create_uffd_for_test() -> Userfaultfd {
 }
 
 pub struct SharedMemoryMapping {
+    #[allow(dead_code)]
     pub shm: SharedMemory,
     pub mmap: MemoryMapping,
 }