diff --git a/src/main.rs b/src/main.rs
index ea242ed..82d616d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -156,9 +156,7 @@ async fn main() {
         origin_store,
         domain_config_store,
         domain_checker,
-        https_params
-            .as_ref()
-            .and_then(|p| Some(p.domain_acme_manager.clone())),
+        https_params.as_ref().map(|p| p.domain_acme_manager.clone()),
     );
 
     wait_group.push({
@@ -296,7 +294,7 @@ async fn main() {
 
         // HTTPS server
         wait_group.push({
-            let https_params = https_params.clone();
+            let https_params = https_params;
             let http_domain = config.http_domain.clone();
             let canceller = canceller.clone();
             let service = service.clone();
diff --git a/src/service.rs b/src/service.rs
index f731c0f..ab5c9ba 100644
--- a/src/service.rs
+++ b/src/service.rs
@@ -316,7 +316,7 @@ where
 
         domains.sort();
 
-        self.render_page("/domains.html", Response { domains: domains })
+        self.render_page("/domains.html", Response { domains })
     }
 }