diff --git a/actix-cors/src/builder.rs b/actix-cors/src/builder.rs
index 5ff087256..b1193de04 100644
--- a/actix-cors/src/builder.rs
+++ b/actix-cors/src/builder.rs
@@ -1,4 +1,4 @@
-use std::{collections::HashSet, iter::FromIterator, rc::Rc};
+use std::{collections::HashSet, rc::Rc};
 
 use actix_utils::future::{self, Ready};
 use actix_web::{
@@ -614,8 +614,8 @@ mod test {
 
     use actix_web::{
         body,
-        dev::{fn_service, Transform},
-        http::{header::HeaderName, StatusCode},
+        dev::fn_service,
+        http::StatusCode,
         test::{self, TestRequest},
         HttpResponse,
     };
diff --git a/actix-cors/src/inner.rs b/actix-cors/src/inner.rs
index 786849acb..93ab7c77d 100644
--- a/actix-cors/src/inner.rs
+++ b/actix-cors/src/inner.rs
@@ -1,9 +1,4 @@
-use std::{
-    collections::HashSet,
-    convert::{TryFrom, TryInto},
-    fmt,
-    rc::Rc,
-};
+use std::{collections::HashSet, fmt, rc::Rc};
 
 use actix_web::{
     dev::RequestHead,
diff --git a/actix-session/src/storage/redis_actor.rs b/actix-session/src/storage/redis_actor.rs
index ae41a42b9..591b09a96 100644
--- a/actix-session/src/storage/redis_actor.rs
+++ b/actix-session/src/storage/redis_actor.rs
@@ -277,8 +277,6 @@ impl SessionStore for RedisActorSessionStore {
 mod tests {
     use std::collections::HashMap;
 
-    use actix_web::cookie::time::Duration;
-
     use super::*;
     use crate::test_helpers::acceptance_test_suite;
 
diff --git a/actix-session/src/storage/redis_rs.rs b/actix-session/src/storage/redis_rs.rs
index b3fde3943..e27ba2a23 100644
--- a/actix-session/src/storage/redis_rs.rs
+++ b/actix-session/src/storage/redis_rs.rs
@@ -286,7 +286,6 @@ mod tests {
     use std::collections::HashMap;
 
     use actix_web::cookie::time;
-    use redis::AsyncCommands;
 
     use super::*;
     use crate::test_helpers::acceptance_test_suite;
diff --git a/actix-web-httpauth/src/headers/authorization/errors.rs b/actix-web-httpauth/src/headers/authorization/errors.rs
index 465156897..462e09805 100644
--- a/actix-web-httpauth/src/headers/authorization/errors.rs
+++ b/actix-web-httpauth/src/headers/authorization/errors.rs
@@ -1,4 +1,4 @@
-use std::{convert::From, error::Error, fmt, str};
+use std::{error::Error, fmt, str};
 
 use actix_web::http::header;
 
diff --git a/actix-web-httpauth/src/middleware.rs b/actix-web-httpauth/src/middleware.rs
index 4fd96a735..91cd6068e 100644
--- a/actix-web-httpauth/src/middleware.rs
+++ b/actix-web-httpauth/src/middleware.rs
@@ -243,7 +243,6 @@ where
 mod tests {
     use actix_service::into_service;
     use actix_web::{
-        dev::Service,
         error::{self, ErrorForbidden},
         http::StatusCode,
         test::TestRequest,