diff --git a/src/ecaps2.rs b/src/ecaps2.rs
index 593acec0..8166e5b0 100644
--- a/src/ecaps2.rs
+++ b/src/ecaps2.rs
@@ -49,10 +49,10 @@ impl TryFrom<Element> for ECaps2 {
 }
 
 impl From<ECaps2> for Element {
-    fn from(mut ecaps2: ECaps2) -> Element {
+    fn from(ecaps2: ECaps2) -> Element {
         Element::builder("c")
                 .ns(ns::ECAPS2)
-                .append(ecaps2.hashes.drain(..)
+                .append(ecaps2.hashes.into_iter()
                                      .map(Element::from)
                                      .collect::<Vec<_>>())
                 .build()
diff --git a/src/jingle_s5b.rs b/src/jingle_s5b.rs
index 7ef1e502..d454a3d9 100644
--- a/src/jingle_s5b.rs
+++ b/src/jingle_s5b.rs
@@ -145,8 +145,8 @@ impl From<Transport> for Element {
                 .attr("dstaddr", transport.dstaddr)
                 .attr("mode", transport.mode)
                 .append(match transport.payload {
-                     TransportPayload::Candidates(mut candidates) => {
-                         candidates.drain(..)
+                     TransportPayload::Candidates(candidates) => {
+                         candidates.into_iter()
                                    .map(Element::from)
                                    .collect::<Vec<_>>()
                      },
@@ -161,7 +161,7 @@ impl From<Transport> for Element {
                                       .ns(ns::JINGLE_S5B)
                                       .build())
                      },
-                     TransportPayload::CandidateUsed(ref cid) => {
+                     TransportPayload::CandidateUsed(cid) => {
                          vec!(Element::builder("candidate-used")
                                       .ns(ns::JINGLE_S5B)
                                       .attr("cid", cid)