diff --git a/actix-http/src/error.rs b/actix-http/src/error.rs
index 52b953421..2802d57a4 100644
--- a/actix-http/src/error.rs
+++ b/actix-http/src/error.rs
@@ -108,8 +108,10 @@ pub(crate) enum Kind {
 
 impl fmt::Debug for Error {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        // TODO: more detail
-        f.write_str("actix_http::Error")
+        f.debug_struct("actix_http::Error")
+            .field("kind", &self.inner.kind)
+            .field("cause", &self.inner.cause)
+            .finish()
     }
 }
 
@@ -386,7 +388,6 @@ pub enum DispatchError {
 impl StdError for DispatchError {
     fn source(&self) -> Option<&(dyn StdError + 'static)> {
         match self {
-            // TODO: error source extraction?
             DispatchError::Service(_res) => None,
             DispatchError::Body(err) => Some(&**err),
             DispatchError::Io(err) => Some(err),
diff --git a/actix-web/src/response/response.rs b/actix-web/src/response/response.rs
index 6449c586d..630acc3f2 100644
--- a/actix-web/src/response/response.rs
+++ b/actix-web/src/response/response.rs
@@ -323,12 +323,6 @@ impl From<Error> for HttpResponse {
 impl<B> From<HttpResponse<B>> for Response<B> {
     fn from(res: HttpResponse<B>) -> Self {
         // this impl will always be called as part of dispatcher
-
-        // TODO: expose cause somewhere?
-        // if let Some(err) = res.error {
-        //     return Response::from_error(err);
-        // }
-
         res.res
     }
 }
diff --git a/awc/src/client/pool.rs b/awc/src/client/pool.rs
index 9d130412b..cc3e4d7c0 100644
--- a/awc/src/client/pool.rs
+++ b/awc/src/client/pool.rs
@@ -232,7 +232,7 @@ where
                 None => {
                     let (io, proto) = connector.call(req).await?;
 
-                    // TODO: remove when http3 is added in support.
+                    // NOTE: remove when http3 is added in support.
                     assert!(proto != Protocol::Http3);
 
                     if proto == Protocol::Http1 {