diff --git a/flake.nix b/flake.nix
index 32d5766..90abf9c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,7 +23,6 @@
           git
           pkg-config
           openssl
-          protobuf
         ];
         shellHook = "exec fish";
       };
diff --git a/src/geoparsers/v2ray/types.rs b/src/geoparsers/v2ray/types.rs
index d7c0436..b82fbbf 100644
--- a/src/geoparsers/v2ray/types.rs
+++ b/src/geoparsers/v2ray/types.rs
@@ -33,17 +33,7 @@ pub mod domain {
         }
     }
     /// Type of domain value.
-    #[derive(
-        Clone,
-        Copy,
-        Debug,
-        PartialEq,
-        Eq,
-        Hash,
-        PartialOrd,
-        Ord,
-        ::prost::Enumeration
-    )]
+    #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
     #[repr(i32)]
     pub enum Type {
         /// The value is used as is.
diff --git a/src/sniffing/headers.rs b/src/sniffing/headers.rs
index bbe58de..1db0da6 100644
--- a/src/sniffing/headers.rs
+++ b/src/sniffing/headers.rs
@@ -69,9 +69,6 @@ impl fmt::Display for PacketInfo {
             // y:y:y:y:y:y:y:y = 8 hexademical; y = segment, pair of 2 u8 big endian
             write!(
                 f,
-            // FIXME: fe80:0:0:0:93a:245e:daac:7a75 -> ff12:0:0:0:0:0:0:8384
-            //        we should drop zeroes in display: fe80::93a:245e:daac:7a75 -> ff12::8384
-            // NOTE:  fe80:0:0:93a:0:245e and fe80:0:93a:0:0:245e can NOT both be compressed to fe80::93a::245e by obvious reasons
                 "{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x} port:{} -> {:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x} port:{} {:?} is dns? {:?}",
                 src_ip[0],
                 src_ip[1],