diff --git a/examples/src/tls_rustls/client.rs b/examples/src/tls_rustls/client.rs
index 503526234..23d6e8130 100644
--- a/examples/src/tls_rustls/client.rs
+++ b/examples/src/tls_rustls/client.rs
@@ -5,8 +5,6 @@ pub mod pb {
     tonic::include_proto!("/grpc.examples.unaryecho");
 }
 
-use std::iter::FromIterator;
-
 use hyper::{client::HttpConnector, Uri};
 use pb::{echo_client::EchoClient, EchoRequest};
 use tokio_rustls::rustls::{ClientConfig, RootCertStore};
diff --git a/interop/src/server.rs b/interop/src/server.rs
index 6ffb16309..b32468866 100644
--- a/interop/src/server.rs
+++ b/interop/src/server.rs
@@ -194,15 +194,12 @@ where
     }
 
     fn call(&mut self, req: http::Request<hyper::Body>) -> Self::Future {
-        let echo_header = req
-            .headers()
-            .get("x-grpc-test-echo-initial")
-            .map(Clone::clone);
+        let echo_header = req.headers().get("x-grpc-test-echo-initial").cloned();
 
         let echo_trailer = req
             .headers()
             .get("x-grpc-test-echo-trailing-bin")
-            .map(Clone::clone)
+            .cloned()
             .map(|v| (HeaderName::from_static("x-grpc-test-echo-trailing-bin"), v));
 
         let call = self.inner.call(req);