diff --git a/client/http-client/src/transport.rs b/client/http-client/src/transport.rs
index c638b85439..f1804dc7aa 100644
--- a/client/http-client/src/transport.rs
+++ b/client/http-client/src/transport.rs
@@ -57,24 +57,32 @@ impl HttpTransportClient {
 			return Err(Error::Url("Port number is missing in the URL".into()));
 		}
 
+		let mut connector = HttpConnector::new();
+
+		connector.set_reuse_address(true);
+		connector.set_nodelay(true);
+
 		let client = match target.scheme_str() {
 			Some("http") => {
-				let connector = HttpConnector::new();
 				let client = Client::builder().build::<_, hyper::Body>(connector);
 				HyperClient::Http(client)
 			}
 			#[cfg(feature = "tls")]
 			Some("https") => {
 				let connector = match cert_store {
-					CertificateStore::Native => {
-						hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1()
-					}
-					CertificateStore::WebPki => {
-						hyper_rustls::HttpsConnectorBuilder::new().with_webpki_roots().https_or_http().enable_http1()
-					}
+					CertificateStore::Native => hyper_rustls::HttpsConnectorBuilder::new()
+						.with_native_roots()
+						.https_or_http()
+						.enable_http1()
+						.wrap_connector(connector),
+					CertificateStore::WebPki => hyper_rustls::HttpsConnectorBuilder::new()
+						.with_webpki_roots()
+						.https_or_http()
+						.enable_http1()
+						.wrap_connector(connector),
 					_ => return Err(Error::InvalidCertficateStore),
 				};
-				let client = Client::builder().build::<_, hyper::Body>(connector.build());
+				let client = Client::builder().build::<_, hyper::Body>(connector);
 				HyperClient::Https(client)
 			}
 			_ => {
@@ -132,7 +140,7 @@ pub enum Error {
 	Url(String),
 
 	/// Error during the HTTP request, including networking errors and HTTP protocol errors.
-	#[error("Error while performing the HTTP request")]
+	#[error("HTTP error: {0}")]
 	Http(Box<dyn std::error::Error + Send + Sync>),
 
 	/// Server returned a non-success status code.
diff --git a/proc-macros/src/visitor.rs b/proc-macros/src/visitor.rs
index c77ef9f993..0315d826ef 100644
--- a/proc-macros/src/visitor.rs
+++ b/proc-macros/src/visitor.rs
@@ -168,9 +168,7 @@ impl FindSubscriptionParams {
 
 			syn::Type::Infer(_) | syn::Type::Never(_) | syn::Type::Verbatim(_) => {}
 
-			#[cfg(test)]
-			syn::Type::__TestExhaustive(_) => unimplemented!(),
-			#[cfg(not(test))]
+			#[cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
 			_ => {}
 		}
 	}