diff --git a/src/attribute.rs b/src/attribute.rs
index 5d290e1..7813c92 100644
--- a/src/attribute.rs
+++ b/src/attribute.rs
@@ -2,13 +2,13 @@
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
 use core::iter::FusedIterator;
+use core::mem::offset_of;
 use core::ops::Range;
 use core::{fmt, mem};
 
 use crate::io::{Read, Seek};
 use bitflags::bitflags;
 use enumn::N;
-use memoffset::offset_of;
 use nt_string::u16strle::U16StrLe;
 use strum_macros::Display;
 
diff --git a/src/boot_sector.rs b/src/boot_sector.rs
index 5a984c1..a6f56b6 100644
--- a/src/boot_sector.rs
+++ b/src/boot_sector.rs
@@ -1,10 +1,9 @@
 // Copyright 2021-2026 Colin Finck <colin@reactos.org>
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
+use core::mem::offset_of;
 use core::ops::RangeInclusive;
 
-use memoffset::offset_of;
-
 use crate::error::{NtfsError, Result};
 use crate::types::{Lcn, NtfsPosition};
 use zerocopy::byteorder::LittleEndian;
diff --git a/src/file.rs b/src/file.rs
index 759c11e..d0962b5 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -4,10 +4,10 @@
 use core::cmp::Ordering;
 use core::fmt;
 use core::num::NonZeroU64;
+use core::mem::offset_of;
 
 use alloc::vec;
 use bitflags::bitflags;
-use memoffset::offset_of;
 use nt_string::u16strle::U16StrLe;
 
 use crate::attribute::{
diff --git a/src/index_entry.rs b/src/index_entry.rs
index e55b77b..6b1597e 100644
--- a/src/index_entry.rs
+++ b/src/index_entry.rs
@@ -3,12 +3,12 @@
 
 use core::iter::FusedIterator;
 use core::marker::PhantomData;
+use core::mem::offset_of;
 use core::ops::Range;
 use core::{fmt, mem};
 
 use alloc::vec::Vec;
 use bitflags::bitflags;
-use memoffset::offset_of;
 
 use crate::error::{NtfsError, Result};
 use crate::file::NtfsFile;
diff --git a/src/index_record.rs b/src/index_record.rs
index ffc4306..41e1789 100644
--- a/src/index_record.rs
+++ b/src/index_record.rs
@@ -4,7 +4,7 @@
 use core::ops::Range;
 
 use alloc::vec;
-use memoffset::offset_of;
+use core::mem::offset_of;
 
 use crate::attribute_value::NtfsAttributeValue;
 use crate::error::{NtfsError, Result};
diff --git a/src/record.rs b/src/record.rs
index 4da9194..390bf16 100644
--- a/src/record.rs
+++ b/src/record.rs
@@ -1,10 +1,10 @@
 // Copyright 2021-2026 Colin Finck <colin@reactos.org>
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
-use core::mem;
+use core::mem::{self, offset_of};
 
 use alloc::vec::Vec;
-use memoffset::{offset_of, span_of};
+use memoffset::span_of;
 
 use crate::error::{NtfsError, Result};
 use crate::types::NtfsPosition;
diff --git a/src/structured_values/index_root.rs b/src/structured_values/index_root.rs
index 4ddf47f..387a975 100644
--- a/src/structured_values/index_root.rs
+++ b/src/structured_values/index_root.rs
@@ -2,8 +2,7 @@
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
 use core::ops::Range;
-
-use memoffset::offset_of;
+use core::mem::offset_of;
 
 use crate::attribute::NtfsAttributeType;
 use crate::attribute_value::{NtfsAttributeValue, NtfsResidentAttributeValue};