diff --git a/src/sharry/chunkedfile.rs b/src/sharry/chunkedfile.rs
index a6b37ae..0c5b1ea 100644
--- a/src/sharry/chunkedfile.rs
+++ b/src/sharry/chunkedfile.rs
@@ -1,7 +1,6 @@
 use std::{
-    fs,
-    io::{self, Read, Seek},
-    mem,
+    fs::File,
+    io::{Read, Seek, SeekFrom},
     path::PathBuf,
 };
 
@@ -32,29 +31,32 @@ impl<'t> Iterator for ChunkedFile<'t> {
             self.cnum * csize
         };
 
-        let mut f = fs::File::open(&self.path)
+        let mut f = File::open(&self.path)
             .inspect_err(|e| error!("Error opening file: {}", e))
             .ok()?;
-        f.seek(io::SeekFrom::Start(offset)).ok()?;
+        f.seek(SeekFrom::Start(offset)).ok()?;
 
-        let mut buffer = vec![0; self.csize];
+        let mut bytes = vec![0; self.csize];
         let read_len = f
-            .read(&mut buffer)
+            .read(&mut bytes)
             .inspect_err(|e| error!("Error reading file: {}", e))
             .ok()?;
-        buffer.truncate(read_len);
+        bytes.truncate(read_len);
 
         self.cnum += 1;
 
-        Some(Self::Item {
-            offset: offset.try_into().unwrap(),
-            bytes: buffer,
-        })
-        .filter(|c| c.bytes.len() > 0)
+        Some(Self::Item { offset, bytes }).filter(|c| c.bytes.len() > 0)
     }
 }
 
 pub struct Chunk {
-    pub offset: usize,
+    pub offset: u64,
     pub bytes: Vec<u8>,
 }
+
+impl Chunk {
+    pub fn after(&self) -> u64 {
+        let len: u64 = self.bytes.len().try_into().unwrap();
+        self.offset + len
+    }
+}
diff --git a/src/sharry/file.rs b/src/sharry/file.rs
index 08bd9c4..9a185e3 100644
--- a/src/sharry/file.rs
+++ b/src/sharry/file.rs
@@ -1,14 +1,12 @@
 use std::{
     ffi::OsStr,
-    fs,
-    io::{self, Read, Seek},
-    os::unix::fs::FileExt,
-    path::{Path, PathBuf},
-    str::FromStr,
+    fs::metadata,
+    io::{Read, Seek},
+    path::PathBuf,
 };
 
-use log::{debug, error};
-use ureq::http::StatusCode;
+use log::debug;
+use ureq::{Error::Other, http::StatusCode};
 
 use super::{
     alias::{Alias, SharryAlias},
@@ -43,19 +41,19 @@ impl<'t> File<'t> {
             .post(endpoint)
             .sharry_header(share.alias)
             .header("Sharry-File-Name", filename)
-            .header("Upload-Length", fs::metadata(&file_path)?.len())
+            .header("Upload-Length", metadata(&file_path)?.len())
             .send_empty()?;
 
         if res.status() != StatusCode::CREATED {
-            return Err(ureq::Error::Other("unexpected response status".into()));
+            return Err(Other("unexpected response status".into()));
         }
 
         let location = res
             .headers()
             .get("Location")
-            .ok_or_else(|| ureq::Error::Other("Location header not found".into()))?
+            .ok_or_else(|| Other("Location header not found".into()))?
             .to_str()
-            .map_err(|_| ureq::Error::Other("Location header invalid".into()))?;
+            .map_err(|_| Other("Location header invalid".into()))?;
 
         debug!("location: {}", location);
 
@@ -80,20 +78,20 @@ impl<'t> File<'t> {
             .send(&chunk.bytes)?;
 
         if res.status() != StatusCode::NO_CONTENT {
-            return Err(ureq::Error::Other("unexpected response status".into()));
+            return Err(Other("unexpected response status".into()));
         }
 
         let offset = res
             .headers()
             .get("Upload-Offset")
-            .ok_or_else(|| ureq::Error::Other("Upload-Offset header not found".into()))?
+            .ok_or_else(|| Other("Upload-Offset header not found".into()))?
             .to_str()
-            .map_err(|_| ureq::Error::Other("Upload-Offset header invalid".into()))?
-            .parse::<usize>()
-            .map_err(|_| ureq::Error::Other("Upload-Offset header not an integer".into()))?;
+            .map_err(|_| Other("Upload-Offset header invalid".into()))?
+            .parse::<u64>()
+            .map_err(|_| Other("Upload-Offset header not an integer".into()))?;
 
-        if chunk.offset + chunk.bytes.len() != offset {
-            return Err(ureq::Error::Other("unexpected offset response".into()));
+        if chunk.after() != offset {
+            return Err(Other("unexpected offset response".into()));
         }
 
         Ok(())
diff --git a/src/sharry/share.rs b/src/sharry/share.rs
index 421f2b4..3102315 100644
--- a/src/sharry/share.rs
+++ b/src/sharry/share.rs
@@ -1,4 +1,4 @@
-use log::{debug, warn};
+use log::debug;
 
 use super::{
     alias::{Alias, SharryAlias},
@@ -27,7 +27,6 @@ impl<'t> Share<'t> {
         debug!("response: {:?}", res);
 
         if !(res.success && (res.message == "Share created.")) {
-            warn!("unexpected json response");
             return Err(ureq::Error::Other("unexpected json response".into()));
         }