diff --git a/src/handler/utils_headers.rs b/src/handler/utils_headers.rs
index 2fc977e..7fc4a5f 100644
--- a/src/handler/utils_headers.rs
+++ b/src/handler/utils_headers.rs
@@ -186,7 +186,6 @@ pub(super) fn extract_upgrade(headers: &HeaderMap) -> Option<String> {
       .to_str()
       .unwrap_or("")
       .split(',')
-      .into_iter()
       .any(|w| w.trim().to_ascii_lowercase() == header::UPGRADE.as_str().to_ascii_lowercase())
     {
       if let Some(u) = headers.get(header::UPGRADE) {
diff --git a/src/handler/utils_request.rs b/src/handler/utils_request.rs
index 6bb4a19..74e7be7 100644
--- a/src/handler/utils_request.rs
+++ b/src/handler/utils_request.rs
@@ -47,7 +47,6 @@ impl<B> ParseHost for Request<B> {
         } else {
           // v4 address or hostname
           m.split(|colon| colon == &b':')
-            .into_iter()
             .next()
             .ok_or(RpxyError::Request("Invalid Host"))
         }