diff --git a/src/main.rs b/src/main.rs
index 87dc746..b3ef5e2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,6 @@
-use fake_sftp::packet::Packet;
-
 use fake_sftp::packet::dispatch_packet;
 
-use std::io::{stdin, BufReader, BufWriter, Read, Write};
+use std::io::{BufWriter, Write};
 use std::process::Command;
 
 fn main() {
@@ -19,7 +17,7 @@ fn execute_php(command: &str) -> String {
         .output()
         .expect("");
     let mut buff_stderr = BufWriter::new(std::io::stderr());
-    buff_stderr.write(&output.stderr);
-    buff_stderr.flush();
+    buff_stderr.write(&output.stderr).expect("Unable to write to stderr.");
+    buff_stderr.flush().expect("Unable to flush stderr.");
     return String::from_utf8(output.stdout).expect("Unable to parse php response");
 }
diff --git a/src/packet.rs b/src/packet.rs
index 2184a7a..16536f2 100644
--- a/src/packet.rs
+++ b/src/packet.rs
@@ -31,8 +31,8 @@ pub fn dispatch_packet(packet: Packet) {
         };
         let serialized_response = response_packet.serialize();
         eprintln!("{:#?}", &serialized_response);
-        buff_stdout.write(&serialized_response);
-        buff_stdout.flush();
+        buff_stdout.write(&serialized_response).expect("Unable to write to stdout.");
+        buff_stdout.flush().expect("Unable to flush stdout.");
     }
 }
 
diff --git a/src/packet/header.rs b/src/packet/header.rs
index 5bd5b72..532b764 100644
--- a/src/packet/header.rs
+++ b/src/packet/header.rs
@@ -14,7 +14,6 @@ impl PacketHeader {
         }
     }
     pub fn serialize(&self) -> [u8; 5] {
-        let serializated_data: [u8; 5] = [0; 5];
         let length = self.length.to_be_bytes();
         let type_packet = self.type_packet;
         let mut return_bytes = length.to_vec();