diff --git a/src/io.rs b/src/io.rs
index d7b56fb..1812a23 100644
--- a/src/io.rs
+++ b/src/io.rs
@@ -19,17 +19,17 @@ pub struct IO {
 pub enum Operation<'io_op> {
     Uninitialized,
     Open {
-        pathname: Pin<&'io_op CStr>,
+        pathname: &'io_op CStr,
         flags: OpenFlags,
     },
     Read {
         fd: Fd,
-        buf: Pin<&'io_op mut [u8]>,
+        buf: &'io_op mut [u8],
         offset: u64,
     },
     Write {
         fd: Fd,
-        buf: Pin<&'io_op [u8]>,
+        buf: &'io_op [u8],
         offset: u64,
     },
     Close {
@@ -356,7 +356,7 @@ impl IO {
 
     pub async fn open<'io_op>(
         &self,
-        pathname: Pin<&'io_op CStr>,
+        pathname: &'io_op CStr,
         flags: OpenFlags,
     ) -> io::Result<Fd> {
         let mut comp = Completion::<'io_op>::default();
@@ -374,7 +374,7 @@ impl IO {
     pub async fn read<'io_op>(
         &self,
         fd: Fd,
-        buf: Pin<&'io_op mut [u8]>,
+        buf: &'io_op mut [u8],
         offset: u64,
     ) -> io::Result<usize> {
         let mut comp = Completion::<'io_op>::default();
@@ -392,7 +392,7 @@ impl IO {
     pub async fn write<'io_op>(
         &self,
         fd: Fd,
-        buf: Pin<&'io_op [u8]>,
+        buf: &'io_op [u8],
         offset: u64,
     ) -> io::Result<usize> {
         let mut comp = Completion::<'io_op>::default();
@@ -640,7 +640,7 @@ mod tests {
             let mut buf: [u8; 4096] = [0; 4096];
 
             let amt = io
-                .read(fd, Pin::new(&mut buf[..]), 0)
+                .read(fd, &mut buf[..], 0)
                 .await
                 .expect("read should succeed");
 
@@ -676,7 +676,7 @@ mod tests {
             buf[..expected.len()].copy_from_slice(expected.as_bytes());
 
             let amt = io
-                .write(fd, Pin::new(&buf[..expected.len()]), 0)
+                .write(fd, &buf[..expected.len()], 0)
                 .await
                 .expect("write should succeed");
 
@@ -684,7 +684,7 @@ mod tests {
 
             let mut read_buf = [0; 4096];
             let amt = io
-                .read(fd, Pin::new(&mut read_buf[..]), 0)
+                .read(fd, &mut read_buf[..], 0)
                 .await
                 .expect("read should succeed");
 
diff --git a/src/main.rs b/src/main.rs
index 40b8c37..5e2f835 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,7 +66,7 @@ async fn async_main(io: &IO) -> Result<()> {
         .await?;
     let stdout_fd = match io
         .open(
-            pin!(c"/dev/stdout"),
+            c"/dev/stdout",
             OpenFlags::WriteOnly | OpenFlags::Append,
         )
         .await
@@ -94,11 +94,11 @@ async fn run_server(io: &IO, socket_fd: Fd, stdout_fd: Fd) -> Result<()> {
     .await?;
     let mut buf = [0u8; 5000];
     loop {
-        let amt = io.read(socket_fd, pin!(&mut buf[..4096]), 0).await?;
+        let amt = io.read(socket_fd, &mut buf[..4096], 0).await?;
         buf[amt] = b'\n'; // Add a newline
         let mut recv_buf = &buf[..amt + 1];
         loop {
-            let amt = io.write(stdout_fd, pin!(recv_buf), 0).await?;
+            let amt = io.write(stdout_fd, recv_buf, 0).await?;
             recv_buf = &recv_buf[amt..];
             if recv_buf.is_empty() {
                 break;