diff --git a/Cargo.toml b/Cargo.toml
index 211a287..5228bf9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,6 @@ edition = "2018"
 pcap = "0.7.0"
 pcap-file = "1.1.1"
 pnet = "0.26.0"
-# pnet = { path = "libpnet" }
 clap = "2.33.3"
 log = "0.4.11"
 stderrlog = "0.5.0"
diff --git a/src/proto/stun.rs b/src/proto/stun.rs
index a5c7ac4..1ddab10 100644
--- a/src/proto/stun.rs
+++ b/src/proto/stun.rs
@@ -257,107 +257,6 @@ impl Into<Vec<u8>> for &StunAttribute {
     }
 }
 
-/*
-struct StunPacket {
-    class: u8,
-    method: u16,
-    length: u16,
-    magic: u32,
-    id: u128,
-    data: Vec<u8>,
-    attributes: Vec<StunAttribute>,
-}
-
-impl StunPacket {
-    fn new(data: &[u8]) -> Result<Self, io::Error> {
-        if data.len() < 20 {
-            return Err(io::Error::new(
-                io::ErrorKind::InvalidInput,
-                "not enough data",
-            ));
-        }
-        let class: u8 = ((data[0] & 0x01) << 1) | ((data[1] & 0x10) >> 4);
-        let method: u16 = (((data[0] & 0b00111110) << 7) as u16) | ((data[1] & 0b11101111) as u16);
-        let length: u16 = BigEndian::read_u16(&data[2..4]);
-        let magic: u32 = BigEndian::read_u32(&data[4..8]);
-        let id: u128 = ((BigEndian::read_u64(&data[8..16]) as u128) << 32)
-            | (BigEndian::read_u32(&data[16..20]) as u128);
-        if data.len() < 20 + length as usize {
-            return Err(io::Error::new(
-                io::ErrorKind::InvalidInput,
-                "not enough data",
-            ));
-        }
-        let data: Vec<u8> = data[20..(20 + length) as usize].to_vec();
-        let mut stun = StunPacket {
-            class,
-            method,
-            length,
-            magic,
-            id,
-            data,
-            attributes: Vec::<StunAttribute>::new(),
-        };
-        stun.attributes = stun.get_attributes();
-        Ok(stun)
-    }
-
-    fn empty() -> Self {
-        StunPacket {
-            class: 0,
-            method: 0,
-            length: 0,
-            magic: 0,
-            id: 0,
-            data: Vec::new(),
-            attributes: Vec::new(),
-        }
-    }
-
-    fn get_attributes(&self) -> Vec<StunAttribute> {
-        let mut i = 0;
-        let mut attributes = Vec::<StunAttribute>::new();
-        while i + 4 < self.data.len() {
-            let attr = StunAttribute::from(self.data[i..].to_vec());
-            i += 4 + attr.len() as usize;
-            attributes.push(attr);
-        }
-        attributes
-    }
-
-    fn set_length(&mut self) {
-        self.length = 0;
-        for attr in &self.attributes {
-            self.length += 4 + attr.len();
-        }
-    }
-}
-
-impl Into<Vec<u8>> for StunPacket {
-    fn into(self) -> Vec<u8> {
-        let mut v = Vec::<u8>::new();
-        // first cocktail with class and method bits
-        v.push(
-            TryInto::<u8>::try_into((self.method >> 7) & 0b00111110).unwrap()
-                | TryInto::<u8>::try_into((self.class & 0b10) >> 1).unwrap(),
-        );
-        // second cocktail with class and method bits
-        v.push(
-            TryInto::<u8>::try_into((self.method & 0b01110000) << 1).unwrap()
-                | TryInto::<u8>::try_into((self.class & 0b01) << 4).unwrap()
-                | TryInto::<u8>::try_into(self.method & 0b00001111).unwrap(),
-        );
-        v.append(&mut self.length.to_be_bytes().to_vec());
-        v.append(&mut self.magic.to_be_bytes().to_vec());
-        v.append(&mut self.id.to_be_bytes()[4..].to_vec());
-        for attr in &self.attributes {
-            v.append(&mut attr.into());
-        }
-        v
-    }
-}
-*/
-
 struct StunPacket {
     class: u8,
     method: u16,
@@ -451,63 +350,6 @@ impl Into<Vec<u8>> for StunPacket {
     }
 }
 
-/*
-pub fn repl<'a>(
-    data: &'a [u8],
-    _masscanned: &Masscanned,
-    client_info: ClientInfo,
-) -> Option<Vec<u8>> {
-    debug!("receiving STUN data");
-    let stun_req: StunPacket = if let Ok(s) = StunPacket::new(&data) {
-        s
-    } else {
-        return None;
-    };
-    if stun_req.class != STUN_CLASS_REQUEST {
-        info!(
-            "STUN packet not handled (class unknown: 0b{:b})",
-            stun_req.class
-        );
-        return None;
-    }
-    if stun_req.method != STUN_METHOD_BINDING {
-        info!(
-            "STUN packet not handled (method unknown: 0x{:03x})",
-            stun_req.method
-        );
-        return None;
-    }
-    /*
-     * To be compatible with RFC3489: ignore magic
-    if stun_req.magic != STUN_MAGIC {
-        info!(
-            "STUN packet not handled (magic unknown: 0x{:04x})",
-            stun_req.magic
-        );
-        return None;
-    }
-    */
-    if client_info.ip.src == None {
-        error!("STUN packet not handled (expected client ip address not found)");
-        return None;
-    }
-    if client_info.port.src == None {
-        error!("STUN packet not handled (expected client port address not found)");
-        return None;
-    }
-    let mut stun_resp: StunPacket = StunPacket::empty();
-    stun_resp.class = STUN_CLASS_SUCCESS_RESPONSE;
-    stun_resp.method = STUN_METHOD_BINDING;
-    stun_resp.id = stun_req.id;
-    stun_resp.attributes = Vec::<StunAttribute>::new();
-    stun_resp.attributes.push(StunAttribute::MappedAddress(
-        StunMappedAddressAttribute::new(client_info.ip.src.unwrap(), client_info.port.src.unwrap()),
-    ));
-    stun_resp.set_length();
-    return Some(stun_resp.into());
-}
-*/
-
 pub fn repl<'a>(
     data: &'a [u8],
     _masscanned: &Masscanned,