diff --git a/Cargo.toml b/Cargo.toml
index d825a03..8abf898 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,7 @@ default-members = ["crates/rproxy"]
 members = [
     "crates/rproxy",
 ]
+
+[profile.flamegraph]
+inherits = "release"
+debug = true
diff --git a/crates/rproxy/src/metrics/metrics.rs b/crates/rproxy/src/metrics/metrics.rs
index 223f28b..3561f15 100644
--- a/crates/rproxy/src/metrics/metrics.rs
+++ b/crates/rproxy/src/metrics/metrics.rs
@@ -1,13 +1,6 @@
 use std::{net::TcpListener, sync::Arc, time::Duration};
 
-use actix_web::{
-    App,
-    HttpRequest,
-    HttpResponse,
-    HttpServer,
-    middleware::{NormalizePath, TrailingSlash},
-    web,
-};
+use actix_web::{App, HttpRequest, HttpResponse, HttpServer, middleware::NormalizePath, web};
 use awc::http::Method;
 use prometheus_client::{
     metrics::{counter::Counter, family::Family, gauge::Gauge},
@@ -287,7 +280,7 @@ impl Metrics {
         let server = match HttpServer::new(move || {
             App::new()
                 .app_data(web::Data::new(self.clone()))
-                .wrap(NormalizePath::new(TrailingSlash::Trim))
+                .wrap(NormalizePath::trim())
                 .default_service(web::route().to(Self::receive))
         })
         .workers(1)
diff --git a/crates/rproxy/src/proxy_http/proxy_http.rs b/crates/rproxy/src/proxy_http/proxy_http.rs
index 87871b0..160a82b 100644
--- a/crates/rproxy/src/proxy_http/proxy_http.rs
+++ b/crates/rproxy/src/proxy_http/proxy_http.rs
@@ -22,7 +22,7 @@ use actix_web::{
     HttpServer,
     body::BodySize,
     http::{StatusCode, header},
-    middleware::{NormalizePath, TrailingSlash},
+    middleware::NormalizePath,
     web,
 };
 use awc::{
@@ -179,7 +179,7 @@ where
 
             App::new()
                 .app_data(this)
-                .wrap(NormalizePath::new(TrailingSlash::Trim))
+                .wrap(NormalizePath::trim())
                 .default_service(web::route().to(Self::receive))
         })
         .on_connect(Self::on_connect(metrics, client_connections_count))
@@ -250,10 +250,16 @@ where
             socket.set_tcp_keepalive(
                 &socket2::TcpKeepalive::new()
                     .with_time(
-                        config.idle_connection_timeout().div_f64(f64::from(TCP_KEEPALIVE_ATTEMPTS)),
+                        config
+                            .idle_connection_timeout()
+                            .checked_div(TCP_KEEPALIVE_ATTEMPTS)
+                            .expect("duration is not zero"),
                     )
                     .with_interval(
-                        config.idle_connection_timeout().div_f64(f64::from(TCP_KEEPALIVE_ATTEMPTS)),
+                        config
+                            .idle_connection_timeout()
+                            .checked_div(TCP_KEEPALIVE_ATTEMPTS)
+                            .expect("duration is not zero"),
                     )
                     .with_retries(TCP_KEEPALIVE_ATTEMPTS - 1),
             )?;
@@ -457,11 +463,13 @@ where
     ) {
         if cli_req.decompressed_size < cli_req.size {
             (cli_req.decompressed_body, cli_req.decompressed_size) =
+                // TODO: remove this clone
                 decompress(cli_req.body.clone(), cli_req.size, cli_req.info.content_encoding());
         }
 
         if mrr_res.decompressed_size < mrr_res.size {
             (mrr_res.decompressed_body, mrr_res.decompressed_size) =
+                // TODO: remove this clone
                 decompress(mrr_res.body.clone(), mrr_res.size, mrr_res.info.content_encoding());
         }
 
diff --git a/crates/rproxy/src/proxy_http/proxy_http_inner_rpc.rs b/crates/rproxy/src/proxy_http/proxy_http_inner_rpc.rs
index f5da0c8..46af948 100644
--- a/crates/rproxy/src/proxy_http/proxy_http_inner_rpc.rs
+++ b/crates/rproxy/src/proxy_http/proxy_http_inner_rpc.rs
@@ -47,7 +47,7 @@ impl ProxyHttpInner<ConfigRpc> for ProxyHttpInnerRpc {
                 return false;
             }
 
-            return mirror_errored_requests || jrpc_res.error.is_none()
+            return mirror_errored_requests || jrpc_res.error.is_none();
         }
 
         match jrpc_req {
diff --git a/crates/rproxy/src/proxy_ws/proxy_ws.rs b/crates/rproxy/src/proxy_ws/proxy_ws.rs
index 72fdfb8..8b48731 100644
--- a/crates/rproxy/src/proxy_ws/proxy_ws.rs
+++ b/crates/rproxy/src/proxy_ws/proxy_ws.rs
@@ -10,14 +10,7 @@ use std::{
 };
 
 use actix::{Actor, AsyncContext, WrapFuture};
-use actix_web::{
-    App,
-    HttpRequest,
-    HttpResponse,
-    HttpServer,
-    middleware::{NormalizePath, TrailingSlash},
-    web,
-};
+use actix_web::{App, HttpRequest, HttpResponse, HttpServer, middleware::NormalizePath, web};
 use actix_ws::{MessageStream, Session};
 use bytes::{Buf, BufMut, Bytes, BytesMut};
 use futures::{
@@ -158,7 +151,7 @@ where
 
             App::new()
                 .app_data(this)
-                .wrap(NormalizePath::new(TrailingSlash::Trim))
+                .wrap(NormalizePath::trim())
                 .default_service(web::route().to(Self::receive))
         })
         .on_connect(Self::on_connect(metrics, client_connections_count))
diff --git a/crates/rproxy/src/server/server.rs b/crates/rproxy/src/server/server.rs
index 12bf1a9..de0b030 100644
--- a/crates/rproxy/src/server/server.rs
+++ b/crates/rproxy/src/server/server.rs
@@ -28,7 +28,7 @@ impl Server {
         let resetter = Server::wait_for_reset_signal(canceller.clone());
 
         // spawn metrics service
-        let metrics = Arc::new(Metrics::new(config.metrics.clone()));
+        let metrics = Arc::new(Metrics::new(config.metrics));
         {
             let canceller = canceller.clone();
             let metrics = metrics.clone();