diff --git a/server/texture-sync-server/src/main.rs b/server/texture-sync-server/src/main.rs
index 098566f..b3beb42 100644
--- a/server/texture-sync-server/src/main.rs
+++ b/server/texture-sync-server/src/main.rs
@@ -1,8 +1,3 @@
-// TODO: remove on implementation
-#![allow(unused_imports)]
-#![allow(unused_variables)]
-#![allow(dead_code)]
-
 #[macro_use]
 extern crate serde;
 
@@ -18,7 +13,7 @@ pub mod persistency;
 pub mod protocol;
 
 mod server_state;
-use server_state::*;
+//use server_state::*;
 
 fn main() {
     lovecraft::invoke();
diff --git a/server/texture-sync-server/src/model/mod.rs b/server/texture-sync-server/src/model/mod.rs
index 06e4a68..c7b4af4 100644
--- a/server/texture-sync-server/src/model/mod.rs
+++ b/server/texture-sync-server/src/model/mod.rs
@@ -1,4 +1,4 @@
-use serde::{Deserializer, Serialize};
+use serde::Serialize;
 use std::io;
 
 mod sha256;
diff --git a/server/texture-sync-server/src/model/texture_format.rs b/server/texture-sync-server/src/model/texture_format.rs
index aa24a7e..5729af7 100644
--- a/server/texture-sync-server/src/model/texture_format.rs
+++ b/server/texture-sync-server/src/model/texture_format.rs
@@ -1,4 +1,7 @@
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
+#![allow(unused_variables)]
+#![allow(dead_code)]
+
+use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, Deserialize, Serialize, Eq, Hash, PartialEq)]
 pub enum TextureFormat {
diff --git a/server/texture-sync-server/src/persistency/mod.rs b/server/texture-sync-server/src/persistency/mod.rs
index 1026531..17088c1 100644
--- a/server/texture-sync-server/src/persistency/mod.rs
+++ b/server/texture-sync-server/src/persistency/mod.rs
@@ -1,10 +1,8 @@
 use crate::model::*;
 
 use std::collections::*;
-use std::fs;
 use std::io;
 use std::path::{Path, PathBuf};
-use std::sync::Arc;
 
 pub use self::search::Query;
 mod image_convert;
@@ -39,7 +37,7 @@ pub struct DataStore {
     id_index: HashMap<String, Texture>,
     name_index: HashMap<String, Texture>,
 
-    preview_cache: HashMap<(TextureFormat, Sha256), Vec<u8>>,
+    _preview_cache: HashMap<(TextureFormat, Sha256), Vec<u8>>,
 }
 
 impl DataStore {
@@ -69,7 +67,7 @@ impl DataStore {
             id_index: Default::default(),
             name_index: Default::default(),
 
-            preview_cache: Default::default(),
+            _preview_cache: Default::default(),
         };
 
         let metadata_file = metadata_file::MetadataFile::load(base_dir)?;
@@ -173,8 +171,8 @@ impl DataStore {
 
     pub fn get_texture_preview(
         &mut self,
-        hash: &Sha256,
-        desired_format: TextureFormat,
+        _hash: &Sha256,
+        _desired_format: TextureFormat,
     ) -> TextureFileResult {
         unimplemented!();
     }
@@ -183,7 +181,7 @@ impl DataStore {
         unimplemented!()
     }
 
-    pub fn query(&mut self, query: &self::search::Query) -> Vec<Texture> {
+    pub fn query(&mut self, _query: &self::search::Query) -> Vec<Texture> {
         unimplemented!();
         // calls self::search::search(... )
     }
diff --git a/server/texture-sync-server/src/persistency/search/mod.rs b/server/texture-sync-server/src/persistency/search/mod.rs
index 16dada5..fcf0df7 100644
--- a/server/texture-sync-server/src/persistency/search/mod.rs
+++ b/server/texture-sync-server/src/persistency/search/mod.rs
@@ -1,3 +1,6 @@
+#![allow(unused_variables)]
+#![allow(dead_code)]
+
 use crate::model::*;
 
 pub struct Query {
diff --git a/server/texture-sync-server/src/protocol/error.rs b/server/texture-sync-server/src/protocol/error.rs
deleted file mode 100644
index caa75da..0000000
--- a/server/texture-sync-server/src/protocol/error.rs
+++ /dev/null
@@ -1 +0,0 @@
-use crate::model::*;
diff --git a/server/texture-sync-server/src/protocol/implementation/connection.rs b/server/texture-sync-server/src/protocol/implementation/connection.rs
index adf3155..7202971 100644
--- a/server/texture-sync-server/src/protocol/implementation/connection.rs
+++ b/server/texture-sync-server/src/protocol/implementation/connection.rs
@@ -3,7 +3,7 @@ use super::*;
 use std::io::*;
 use std::net::*;
 
-use serde::{Deserialize, Serialize};
+use serde::Serialize;
 
 pub struct Connection<R: Read + Sized, W: Write + Sized> {
     reader: R,
@@ -139,9 +139,9 @@ impl<R: Read + Sized, W: Write + Sized> Connection<R, W> {
                     _ => (), // else try other
                 }
 
-                let json: Command = serde_json::from_slice(&payload[..]).map_err(|e| {
+                let json: Command = serde_json::from_slice(&payload[..]).map_err(|_e| {
                     #[cfg(test)]
-                    dbg!(&e);
+                    dbg!(&_e);
 
                     Error::new(ErrorKind::InvalidData, "Invalid JSON.")
                 })?;
diff --git a/server/texture-sync-server/src/protocol/implementation/listen_forever.rs b/server/texture-sync-server/src/protocol/implementation/listen_forever.rs
index 7177cb1..83a8e3b 100644
--- a/server/texture-sync-server/src/protocol/implementation/listen_forever.rs
+++ b/server/texture-sync-server/src/protocol/implementation/listen_forever.rs
@@ -1,4 +1,3 @@
-use std::io::*;
 use std::net::*;
 
 use std::thread;
@@ -105,7 +104,7 @@ where
                                     Ok(ReplaceTextureStatus::Ok) => {
                                         connection.send(&Package::Json(JsonValue::True))?;
                                     }
-                                    Ok(ReplaceTextureStatus::NeedTextureData(hash)) => {
+                                    Ok(ReplaceTextureStatus::NeedTextureData(_hash)) => {
                                         panic!("Contract Violation: handler must not return NeedTextureData \
                                         when data is given.");
                                     }
diff --git a/server/texture-sync-server/src/protocol/implementation/package.rs b/server/texture-sync-server/src/protocol/implementation/package.rs
index ecc1154..e0c4061 100644
--- a/server/texture-sync-server/src/protocol/implementation/package.rs
+++ b/server/texture-sync-server/src/protocol/implementation/package.rs
@@ -46,8 +46,6 @@ pub enum Command {
     },
 }
 
-use super::error::*;
-
 impl From<ProtocolError> for Package {
     fn from(item: ProtocolError) -> Self {
         match item {
diff --git a/server/texture-sync-server/src/protocol/mod.rs b/server/texture-sync-server/src/protocol/mod.rs
index 966cb33..7703470 100644
--- a/server/texture-sync-server/src/protocol/mod.rs
+++ b/server/texture-sync-server/src/protocol/mod.rs
@@ -1,13 +1,9 @@
-mod error;
-pub use self::error::*;
-
 mod implementation;
 pub use self::implementation::*;
 
 use crate::model::*;
 
 use std::io;
-use std::sync::Arc;
 
 pub trait ProtocolHandler: Send + Sync + Clone {
     fn query(&mut self, query: &[String]) -> ProtocolResult<Vec<Texture>>;
diff --git a/server/texture-sync-server/src/server_state.rs b/server/texture-sync-server/src/server_state.rs
index f899934..fa0c7a9 100644
--- a/server/texture-sync-server/src/server_state.rs
+++ b/server/texture-sync-server/src/server_state.rs
@@ -1,8 +1,3 @@
-// TODO: remove on implementation
-#![allow(unused_imports)]
-#![allow(unused_variables)]
-#![allow(dead_code)]
-
 use crate::model::*;
 use crate::persistency::*;
 use crate::protocol::*;
@@ -16,6 +11,7 @@ pub struct ServerState {
 }
 
 impl ServerState {
+    #[allow(dead_code)]
     pub fn new(storage_path: &Path) -> std::io::Result<Self> {
         Ok(Self {
             data_store: Arc::new(RwLock::new(DataStore::new(&storage_path)?)),
@@ -24,7 +20,7 @@ impl ServerState {
 }
 
 impl ProtocolHandler for ServerState {
-    fn query(&mut self, query: &[String]) -> ProtocolResult<Vec<Texture>> {
+    fn query(&mut self, _query: &[String]) -> ProtocolResult<Vec<Texture>> {
         unimplemented!()
     }