diff --git a/src/account_manager.rs b/src/account_manager.rs
index f3d4301ee..9e69aaccb 100644
--- a/src/account_manager.rs
+++ b/src/account_manager.rs
@@ -255,7 +255,7 @@ impl AccountManager {
             .request(
                 Method::PUT,
                 Endpoint::Service,
-                &format!("/v1/provisioning/{}", destination),
+                format!("/v1/provisioning/{}", destination),
                 HttpAuthOverride::NoOverride,
             )?
             .json(&ProvisioningMessage {
diff --git a/src/messagepipe.rs b/src/messagepipe.rs
index f3e0c67c5..4fd1d54d4 100644
--- a/src/messagepipe.rs
+++ b/src/messagepipe.rs
@@ -97,7 +97,7 @@ impl MessagePipe {
         responder
             .send(response)
             .map_err(|_| ServiceError::WsClosing {
-                reason: "could not respond to message pipe request".into(),
+                reason: "could not respond to message pipe request",
             })?;
 
         Ok(result)
diff --git a/src/push_service/keys.rs b/src/push_service/keys.rs
index df5892313..f4addb013 100644
--- a/src/push_service/keys.rs
+++ b/src/push_service/keys.rs
@@ -33,7 +33,7 @@ impl PushService {
         self.request(
             Method::GET,
             Endpoint::Service,
-            &format!("/v2/keys?identity={}", service_id_type),
+            format!("/v2/keys?identity={}", service_id_type),
             HttpAuthOverride::NoOverride,
         )?
         .send()
@@ -53,7 +53,7 @@ impl PushService {
         self.request(
             Method::PUT,
             Endpoint::Service,
-            &format!("/v2/keys?identity={}", service_id_type),
+            format!("/v2/keys?identity={}", service_id_type),
             HttpAuthOverride::NoOverride,
         )?
         .json(&pre_key_state)
diff --git a/src/push_service/mod.rs b/src/push_service/mod.rs
index b4e52aabc..c6cf31fd5 100644
--- a/src/push_service/mod.rs
+++ b/src/push_service/mod.rs
@@ -160,7 +160,7 @@ impl PushService {
         let client = reqwest::ClientBuilder::new()
             .add_root_certificate(
                 reqwest::Certificate::from_pem(
-                    &cfg.certificate_authority.as_bytes(),
+                    cfg.certificate_authority.as_bytes(),
                 )
                 .unwrap(),
             )
@@ -332,11 +332,8 @@ mod tests {
         let configs = &[SignalServers::Staging, SignalServers::Production];
 
         for cfg in configs {
-            let _ = super::PushService::new(
-                cfg,
-                None,
-                "libsignal-service test".to_string(),
-            );
+            let _ =
+                super::PushService::new(cfg, None, "libsignal-service test");
         }
     }
 
diff --git a/src/push_service/registration.rs b/src/push_service/registration.rs
index 3e56f1da9..2ab6ea0c2 100644
--- a/src/push_service/registration.rs
+++ b/src/push_service/registration.rs
@@ -241,7 +241,7 @@ impl PushService {
         self.request(
             Method::PATCH,
             Endpoint::Service,
-            &format!("/v1/verification/session/{}", session_id),
+            format!("/v1/verification/session/{}", session_id),
             HttpAuthOverride::Unidentified,
         )?
         .json(&UpdateVerificationSessionRequestBody {
@@ -290,7 +290,7 @@ impl PushService {
         self.request(
             Method::POST,
             Endpoint::Service,
-            &format!("/v1/verification/session/{}/code", session_id),
+            format!("/v1/verification/session/{}/code", session_id),
             HttpAuthOverride::Unidentified,
         )?
         .json(&VerificationCodeRequest { transport, client })
@@ -316,7 +316,7 @@ impl PushService {
         self.request(
             Method::PUT,
             Endpoint::Service,
-            &format!("/v1/verification/session/{}/code", session_id),
+            format!("/v1/verification/session/{}/code", session_id),
             HttpAuthOverride::Unidentified,
         )?
         .json(&VerificationCode {
diff --git a/src/websocket/mod.rs b/src/websocket/mod.rs
index 1350bab7c..128956eac 100644
--- a/src/websocket/mod.rs
+++ b/src/websocket/mod.rs
@@ -128,7 +128,7 @@ impl SignalWebSocketProcess {
                 tracing::trace!("sending request with body");
                 self.request_sink.send((request, sink)).await.map_err(
                     |_| ServiceError::WsClosing {
-                        reason: "request handler failed".into(),
+                        reason: "request handler failed",
                     },
                 )?;
                 self.outgoing_responses.push(Box::pin(recv));
@@ -197,7 +197,7 @@ impl SignalWebSocketProcess {
             push_service::KEEPALIVE_TIMEOUT_SECONDS,
         );
 
-        Ok(loop {
+        loop {
             futures::select! {
                 _ = ka_interval.tick().fuse() => {
                     use prost::Message;
@@ -309,7 +309,8 @@ impl SignalWebSocketProcess {
                     }
                 }
             }
-        })
+        }
+        Ok(())
     }
 }