diff --git a/block_util/src/raw_sync.rs b/block_util/src/raw_sync.rs
index ed6f1be96..375fe5b6f 100644
--- a/block_util/src/raw_sync.rs
+++ b/block_util/src/raw_sync.rs
@@ -71,7 +71,7 @@ impl AsyncIo for RawFileSync {
         let result = unsafe {
             libc::preadv(
                 self.fd as libc::c_int,
-                iovecs.as_ptr() as *const libc::iovec,
+                iovecs.as_ptr(),
                 iovecs.len() as libc::c_int,
                 offset,
             )
@@ -95,7 +95,7 @@ impl AsyncIo for RawFileSync {
         let result = unsafe {
             libc::pwritev(
                 self.fd as libc::c_int,
-                iovecs.as_ptr() as *const libc::iovec,
+                iovecs.as_ptr(),
                 iovecs.len() as libc::c_int,
                 offset,
             )
diff --git a/net_util/src/queue_pair.rs b/net_util/src/queue_pair.rs
index d9bd19db3..f6bb88080 100644
--- a/net_util/src/queue_pair.rs
+++ b/net_util/src/queue_pair.rs
@@ -86,7 +86,7 @@ impl TxVirtio {
                 let result = unsafe {
                     libc::writev(
                         tap.as_raw_fd() as libc::c_int,
-                        iovecs.as_ptr() as *const libc::iovec,
+                        iovecs.as_ptr(),
                         iovecs.len() as libc::c_int,
                     )
                 };
@@ -224,7 +224,7 @@ impl RxVirtio {
                 let result = unsafe {
                     libc::readv(
                         tap.as_raw_fd() as libc::c_int,
-                        iovecs.as_ptr() as *const libc::iovec,
+                        iovecs.as_ptr(),
                         iovecs.len() as libc::c_int,
                     )
                 };
diff --git a/virtio-devices/src/vsock/packet.rs b/virtio-devices/src/vsock/packet.rs
index 0c20c4860..973eed2c4 100644
--- a/virtio-devices/src/vsock/packet.rs
+++ b/virtio-devices/src/vsock/packet.rs
@@ -136,7 +136,7 @@ impl VsockPacket {
                     .translate_gva(access_platform, head.len() as usize),
                 VSOCK_PKT_HDR_SIZE,
             )
-            .ok_or(VsockError::GuestMemory)? as *mut u8,
+            .ok_or(VsockError::GuestMemory)?,
             buf: None,
             buf_size: 0,
         };
@@ -175,7 +175,7 @@ impl VsockPacket {
                     .translate_gva(access_platform, buf_desc.len() as usize),
                 pkt.buf_size,
             )
-            .ok_or(VsockError::GuestMemory)? as *mut u8,
+            .ok_or(VsockError::GuestMemory)?,
         );
 
         Ok(pkt)
@@ -221,7 +221,7 @@ impl VsockPacket {
                     .translate_gva(access_platform, head.len() as usize),
                 VSOCK_PKT_HDR_SIZE,
             )
-            .ok_or(VsockError::GuestMemory)? as *mut u8,
+            .ok_or(VsockError::GuestMemory)?,
             buf: Some(
                 get_host_address_range(
                     desc_chain.memory(),
@@ -230,7 +230,7 @@ impl VsockPacket {
                         .translate_gva(access_platform, buf_desc.len() as usize),
                     buf_size,
                 )
-                .ok_or(VsockError::GuestMemory)? as *mut u8,
+                .ok_or(VsockError::GuestMemory)?,
             ),
             buf_size,
         })
@@ -427,8 +427,8 @@ mod tests {
 
     fn set_pkt_len(len: u32, guest_desc: &GuestQDesc, mem: &GuestMemoryMmap) {
         let hdr_gpa = guest_desc.addr.get();
-        let hdr_ptr = get_host_address_range(mem, GuestAddress(hdr_gpa), VSOCK_PKT_HDR_SIZE)
-            .unwrap() as *mut u8;
+        let hdr_ptr =
+            get_host_address_range(mem, GuestAddress(hdr_gpa), VSOCK_PKT_HDR_SIZE).unwrap();
         let len_ptr = unsafe { hdr_ptr.add(HDROFF_LEN) };
 
         LittleEndian::write_u32(unsafe { std::slice::from_raw_parts_mut(len_ptr, 4) }, len);
diff --git a/vm-migration/src/protocol.rs b/vm-migration/src/protocol.rs
index 765d04e31..026fa9b4c 100644
--- a/vm-migration/src/protocol.rs
+++ b/vm-migration/src/protocol.rs
@@ -274,10 +274,7 @@ impl MemoryRangeTable {
 
     pub fn write_to(&self, fd: &mut dyn Write) -> Result<(), MigratableError> {
         fd.write_all(unsafe {
-            std::slice::from_raw_parts(
-                self.data.as_ptr() as *const MemoryRange as *const u8,
-                self.length() as usize,
-            )
+            std::slice::from_raw_parts(self.data.as_ptr() as *const u8, self.length() as usize)
         })
         .map_err(MigratableError::MigrateSocket)
     }