diff --git a/rust/iroh-streamplace/src/streams.rs b/rust/iroh-streamplace/src/streams.rs
index df80818db..e0f919c92 100644
--- a/rust/iroh-streamplace/src/streams.rs
+++ b/rust/iroh-streamplace/src/streams.rs
@@ -59,7 +59,7 @@ impl AsMut<dyn Stream> for dyn Stream {
 }
 
 pub struct StreamAdapter<'a> {
-    pub stream: &'a mut dyn Stream,
+    pub stream: &'a dyn Stream,
 }
 
 impl<'a> StreamAdapter<'a> {
@@ -69,18 +69,11 @@ impl<'a> StreamAdapter<'a> {
 }
 
 impl<'a> From<&'a dyn Stream> for StreamAdapter<'a> {
-    #[allow(invalid_reference_casting)]
     fn from(stream: &'a dyn Stream) -> Self {
-        let stream = &*stream as *const dyn Stream as *mut dyn Stream;
-        let stream = unsafe { &mut *stream };
         Self { stream }
     }
 }
 
-// impl<'a> c2pa::CAIRead for StreamAdapter<'a> {}
-
-// impl<'a> c2pa::CAIReadWrite for StreamAdapter<'a> {}
-
 impl<'a> Read for StreamAdapter<'a> {
     fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
         let mut bytes = self