remove unused code

.travis.yml

@@ -10,7 +10,7 @@ matrix:
   include:
     - rust: stable
     - rust: beta
-    - rust: nightly
+    - rust: nightly-2019-03-02
   allow_failures:
     - rust: nightly
 
@@ -24,6 +24,11 @@ before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -y openssl libssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
 
+before_cache: |
+  if [[ "$TRAVIS_RUST_VERSION" == nightly ]]; then
+    RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install cargo-tarpaulin -f
+  fi
+
 # Add clippy
 before_script:
   - export PATH=$PATH:~/.cargo/bin

src/app.rs

@@ -54,12 +54,6 @@ impl App<PayloadStream, AppChain> {
     }
 }
 
-impl Default for App<PayloadStream, AppChain> {
-    fn default() -> Self {
-        App::new()
-    }
-}
-
 impl<P, T> App<P, T>
 where
     P: 'static,
@@ -249,23 +243,6 @@ where
             _t: PhantomData,
         }
     }
-
-    /// Complete applicatin chain configuration and start resource
-    /// configuration.
-    pub fn router<B>(self) -> AppRouter<T, P, B, AppEntry<P>> {
-        let fref = Rc::new(RefCell::new(None));
-        AppRouter {
-            chain: self.chain,
-            services: Vec::new(),
-            default: None,
-            defaults: Vec::new(),
-            endpoint: AppEntry::new(fref.clone()),
-            factory_ref: fref,
-            extensions: self.extensions,
-            state: self.state,
-            _t: PhantomData,
-        }
-    }
 }
 
 /// Structure that follows the builder pattern for building application