diff --git a/rust/pv_core/src/lib.rs b/rust/pv_core/src/lib.rs
index 0088af41..1310f54e 100644
--- a/rust/pv_core/src/lib.rs
+++ b/rust/pv_core/src/lib.rs
@@ -2,7 +2,6 @@
 //
 // Copyright IBM Corp. 2023, 2024
 #![deny(missing_docs)]
-#![allow(unused)]
 #![doc = include_str!("../README.md")]
 mod error;
 mod macros;
diff --git a/rust/pv_core/src/uvdevice/ffi.rs b/rust/pv_core/src/uvdevice/ffi.rs
index 0b4a8514..81219e51 100644
--- a/rust/pv_core/src/uvdevice/ffi.rs
+++ b/rust/pv_core/src/uvdevice/ffi.rs
@@ -9,6 +9,8 @@ pub const UVIO_ATT_ARCB_MAX_LEN: usize = 0x100000;
 pub const UVIO_ATT_MEASUREMENT_MAX_LEN: usize = 0x8000;
 pub const UVIO_ATT_ADDITIONAL_MAX_LEN: usize = 0x8000;
 pub const UVIO_ADD_SECRET_MAX_LEN: usize = 0x100000;
+#[allow(unused)]
+// here for completeness
 pub const UVIO_LIST_SECRETS_LEN: usize = 0x1000;
 
 // equal to ascii 'u'
diff --git a/rust/pv_core/src/uvdevice/secret.rs b/rust/pv_core/src/uvdevice/secret.rs
index 235a39a2..227b87ae 100644
--- a/rust/pv_core/src/uvdevice/secret.rs
+++ b/rust/pv_core/src/uvdevice/secret.rs
@@ -3,23 +3,8 @@
 // Copyright IBM Corp. 2023
 
 use super::ffi;
-use crate::{
-    assert_size,
-    misc::to_u16,
-    request::MagicValue,
-    uv::{UvCmd, UvDevice},
-    uvsecret::AddSecretMagic,
-    Error, Result, PAGESIZE,
-};
-use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
-use serde::{Serialize, Serializer};
-use std::{
-    fmt::Display,
-    io::{Cursor, Read, Seek, Write},
-    slice::Iter,
-    vec::IntoIter,
-};
-use zerocopy::{AsBytes, FromBytes, FromZeroes, U16, U32};
+use crate::{request::MagicValue, uv::UvCmd, uvsecret::AddSecretMagic, Error, Result, PAGESIZE};
+use std::io::Read;
 
 /// _List Secrets_ Ultravisor command.
 ///
diff --git a/rust/pv_core/src/uvsecret.rs b/rust/pv_core/src/uvsecret.rs
index 9ddbbc0d..e9e0cc33 100644
--- a/rust/pv_core/src/uvsecret.rs
+++ b/rust/pv_core/src/uvsecret.rs
@@ -2,20 +2,14 @@
 //
 // Copyright IBM Corp. 2023
 
-use crate::{assert_size, static_assert};
+use crate::assert_size;
 use crate::{
-    misc::to_u16,
     request::{MagicValue, RequestMagic},
-    uv::{ListCmd, UvCmd},
     Error, Result,
 };
 use byteorder::{BigEndian, ByteOrder};
-use std::{
-    fmt::Display,
-    io::{Cursor, Read, Seek, Write},
-    mem::size_of,
-};
-use zerocopy::{AsBytes, FromBytes, U16, U32};
+use std::{fmt::Display, mem::size_of};
+use zerocopy::{AsBytes, U16};
 
 /// The magic value used to identify an add-secret request`]
 ///