diff --git a/implementations/rust/preserves/src/value/reader.rs b/implementations/rust/preserves/src/value/reader.rs
index a871e27..51c2271 100644
--- a/implementations/rust/preserves/src/value/reader.rs
+++ b/implementations/rust/preserves/src/value/reader.rs
@@ -260,18 +260,18 @@ pub trait BinarySource<'de>: Sized {
     }
 }
 
-pub struct IOBinarySource<'a, R: io::Read + io::Seek> {
-    pub read: &'a mut R,
+pub struct IOBinarySource<R: io::Read + io::Seek> {
+    pub read: R,
     pub buf: Option<u8>,
 }
 
-impl<'a, R: io::Read + io::Seek> IOBinarySource<'a, R> {
-    pub fn new(read: &'a mut R) -> Self {
+impl<R: io::Read + io::Seek> IOBinarySource<R> {
+    pub fn new(read: R) -> Self {
         IOBinarySource { read, buf: None }
     }
 }
 
-impl<'de, 'a, R: io::Read + io::Seek> BinarySource<'de> for IOBinarySource<'a, R> {
+impl<'de, R: io::Read + io::Seek> BinarySource<'de> for IOBinarySource<R> {
     type Mark = u64;
 
     fn mark(&mut self) -> io::Result<Self::Mark> {