diff --git a/Cargo.toml b/Cargo.toml
index f3a6271ee..3757ac9f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -97,6 +97,8 @@ either = "1.5.3"
 encoding_rs = "0.8"
 futures-core = { version = "0.3.7", default-features = false }
 futures-util = { version = "0.3.7", default-features = false }
+language-tags = "0.2"
+once_cell = "1.5"
 log = "0.4"
 mime = "0.3"
 pin-project = "1.0.0"
diff --git a/actix-http/src/header/mod.rs b/actix-http/src/header/mod.rs
index 1100a959d..9017f15aa 100644
--- a/actix-http/src/header/mod.rs
+++ b/actix-http/src/header/mod.rs
@@ -14,13 +14,10 @@ use crate::HttpMessage;
 mod as_name;
 mod into_pair;
 mod into_value;
-mod utils;
 
-mod common;
 pub(crate) mod map;
 mod shared;
 
-pub use self::common::*;
 #[doc(hidden)]
 pub use self::shared::*;
 
@@ -30,7 +27,6 @@ pub use self::into_value::IntoHeaderValue;
 #[doc(hidden)]
 pub use self::map::GetAll;
 pub use self::map::HeaderMap;
-pub use self::utils::*;
 
 /// A trait for any object that already represents a valid header field and value.
 pub trait Header: IntoHeaderValue {
@@ -41,17 +37,18 @@ pub trait Header: IntoHeaderValue {
     fn parse<T: HttpMessage>(msg: &T) -> Result<Self, ParseError>;
 }
 
+#[doc(hidden)]
 #[derive(Debug, Default)]
-pub(crate) struct Writer {
+pub struct Writer {
     buf: BytesMut,
 }
 
 impl Writer {
-    fn new() -> Writer {
+    pub fn new() -> Writer {
         Writer::default()
     }
 
-    fn take(&mut self) -> Bytes {
+    pub fn take(&mut self) -> Bytes {
         self.buf.split().freeze()
     }
 }
diff --git a/actix-http/src/header/common/content_encoding.rs b/actix-http/src/header/shared/content_encoding.rs
similarity index 86%
rename from actix-http/src/header/common/content_encoding.rs
rename to actix-http/src/header/shared/content_encoding.rs
index b93d66101..51e65b5cf 100644
--- a/actix-http/src/header/common/content_encoding.rs
+++ b/actix-http/src/header/shared/content_encoding.rs
@@ -4,7 +4,7 @@ use http::header::InvalidHeaderValue;
 
 use crate::{
     error::ParseError,
-    header::{self, from_one_raw_str, Header, HeaderName, HeaderValue, IntoHeaderValue},
+    header::{self, Header, HeaderName, HeaderValue, IntoHeaderValue},
     HttpMessage,
 };
 
@@ -101,6 +101,14 @@ impl Header for ContentEncoding {
     }
 
     fn parse<T: HttpMessage>(msg: &T) -> Result<Self, ParseError> {
-        from_one_raw_str(msg.headers().get(Self::name()))
+        let val = msg.headers().get(Self::name());
+
+        if let Some(line) = val {
+            let line = line.to_str().map_err(|_| ParseError::Header)?;
+            if !line.is_empty() {
+                return Self::from_str(line).or(Err(ParseError::Header));
+            }
+        }
+        Err(ParseError::Header)
     }
 }
diff --git a/actix-http/src/header/shared/mod.rs b/actix-http/src/header/shared/mod.rs
index 72161e46b..665ac6687 100644
--- a/actix-http/src/header/shared/mod.rs
+++ b/actix-http/src/header/shared/mod.rs
@@ -6,6 +6,7 @@ mod entity;
 mod extended;
 mod httpdate;
 mod quality_item;
+mod content_encoding;
 
 pub use self::charset::Charset;
 pub use self::encoding::Encoding;
@@ -13,4 +14,5 @@ pub use self::entity::EntityTag;
 pub use self::extended::{parse_extended_value, ExtendedValue};
 pub use self::httpdate::HttpDate;
 pub use self::quality_item::{q, qitem, Quality, QualityItem};
+pub use self::content_encoding::ContentEncoding;
 pub use language_tags::LanguageTag;
diff --git a/actix-http/src/response.rs b/actix-http/src/response.rs
index d581fd293..15eb271aa 100644
--- a/actix-http/src/response.rs
+++ b/actix-http/src/response.rs
@@ -682,7 +682,7 @@ impl ResponseBuilder {
                 };
 
                 if !contains {
-                    self.insert_header(header::ContentType(mime::APPLICATION_JSON));
+                    self.insert_header((header::CONTENT_TYPE, mime::APPLICATION_JSON));
                 }
 
                 self.body(Body::from(body))
diff --git a/src/lib.rs b/src/lib.rs
index 136c462b8..f37ed7461 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -102,7 +102,7 @@ pub mod web;
 #[cfg(feature = "cookies")]
 pub use actix_http::cookie;
 pub use actix_http::Response as HttpResponse;
-pub use actix_http::{body, http, Error, HttpMessage, ResponseError, Result};
+pub use actix_http::{body, Error, HttpMessage, ResponseError, Result};
 pub use actix_rt as rt;
 pub use actix_web_codegen::*;
 
@@ -117,6 +117,11 @@ pub use crate::server::HttpServer;
 // TODO: is exposing the error directly really needed
 pub use crate::types::{Either, EitherExtractError};
 
+pub mod http {
+    pub use actix_http::http::*;
+    pub use crate::types::header;
+}
+
 pub mod dev {
     //! The `actix-web` prelude for library developers
     //!
diff --git a/src/test.rs b/src/test.rs
index bc19296e2..5e0706c64 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -8,7 +8,6 @@ use std::{fmt, net, thread, time};
 use actix_codec::{AsyncRead, AsyncWrite, Framed};
 #[cfg(feature = "cookies")]
 use actix_http::cookie::Cookie;
-use actix_http::http::header::{ContentType, IntoHeaderPair};
 use actix_http::http::{Method, StatusCode, Uri, Version};
 use actix_http::test::TestRequest as HttpTestRequest;
 use actix_http::{ws, Extensions, HttpService, Request};
@@ -34,6 +33,7 @@ use crate::dev::{Body, MessageBody, Payload, Server};
 use crate::rmap::ResourceMap;
 use crate::service::{ServiceRequest, ServiceResponse};
 use crate::{Error, HttpRequest, HttpResponse};
+use crate::http::header::{ContentType, IntoHeaderPair};
 
 /// Create service that always responds with `HttpResponse::Ok()`
 pub fn ok_service(
diff --git a/actix-http/src/header/common/accept.rs b/src/types/header/accept.rs
similarity index 97%
rename from actix-http/src/header/common/accept.rs
rename to src/types/header/accept.rs
index 775da3394..cb883eff5 100644
--- a/actix-http/src/header/common/accept.rs
+++ b/src/types/header/accept.rs
@@ -2,10 +2,10 @@ use std::cmp::Ordering;
 
 use mime::Mime;
 
-use crate::header::{qitem, QualityItem};
+use super::{qitem, QualityItem};
 use crate::http::header;
 
-header! {
+crate::header! {
     /// `Accept` header, defined in [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.2)
     ///
     /// The `Accept` header field can be used by user agents to specify
@@ -116,8 +116,8 @@ header! {
 
         #[test]
         fn test_fuzzing1() {
-            use crate::test::TestRequest;
-            let req = TestRequest::default().insert_header((crate::header::ACCEPT, "chunk#;e")).finish();
+            use actix_http::test::TestRequest;
+            let req = TestRequest::default().insert_header((crate::http::header::ACCEPT, "chunk#;e")).finish();
             let header = Accept::parse(&req);
             assert!(header.is_ok());
         }
@@ -213,7 +213,7 @@ impl Accept {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::header::q;
+    use crate::http::header::q;
 
     #[test]
     fn test_mime_precedence() {
diff --git a/actix-http/src/header/common/accept_charset.rs b/src/types/header/accept_charset.rs
similarity index 96%
rename from actix-http/src/header/common/accept_charset.rs
rename to src/types/header/accept_charset.rs
index db530a8bc..57c73966f 100644
--- a/actix-http/src/header/common/accept_charset.rs
+++ b/src/types/header/accept_charset.rs
@@ -1,6 +1,6 @@
-use crate::header::{Charset, QualityItem, ACCEPT_CHARSET};
+use super::{Charset, QualityItem, ACCEPT_CHARSET};
 
-header! {
+crate::header! {
     /// `Accept-Charset` header, defined in
     /// [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.3)
     ///
diff --git a/actix-http/src/header/common/accept_encoding.rs b/src/types/header/accept_encoding.rs
similarity index 100%
rename from actix-http/src/header/common/accept_encoding.rs
rename to src/types/header/accept_encoding.rs
diff --git a/actix-http/src/header/common/accept_language.rs b/src/types/header/accept_language.rs
similarity index 97%
rename from actix-http/src/header/common/accept_language.rs
rename to src/types/header/accept_language.rs
index a7ad00863..48847cff3 100644
--- a/actix-http/src/header/common/accept_language.rs
+++ b/src/types/header/accept_language.rs
@@ -1,7 +1,7 @@
-use crate::header::{QualityItem, ACCEPT_LANGUAGE};
+use super::{QualityItem, ACCEPT_LANGUAGE};
 use language_tags::LanguageTag;
 
-header! {
+crate::header! {
     /// `Accept-Language` header, defined in
     /// [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.5)
     ///
diff --git a/actix-http/src/header/common/allow.rs b/src/types/header/allow.rs
similarity index 96%
rename from actix-http/src/header/common/allow.rs
rename to src/types/header/allow.rs
index 06b1efedc..85710e677 100644
--- a/actix-http/src/header/common/allow.rs
+++ b/src/types/header/allow.rs
@@ -1,7 +1,7 @@
-use http::header;
-use http::Method;
+use actix_http::http::Method;
+use crate::http::header;
 
-header! {
+crate::header! {
     /// `Allow` header, defined in [RFC7231](http://tools.ietf.org/html/rfc7231#section-7.4.1)
     ///
     /// The `Allow` header field lists the set of methods advertised as
diff --git a/actix-http/src/header/common/cache_control.rs b/src/types/header/cache_control.rs
similarity index 98%
rename from actix-http/src/header/common/cache_control.rs
rename to src/types/header/cache_control.rs
index 94ce9a750..ec894554f 100644
--- a/actix-http/src/header/common/cache_control.rs
+++ b/src/types/header/cache_control.rs
@@ -1,12 +1,12 @@
 use std::fmt::{self, Write};
 use std::str::FromStr;
 
-use http::header;
-
-use crate::header::{
+use super::{
     fmt_comma_delimited, from_comma_delimited, Header, IntoHeaderValue, Writer,
 };
 
+use crate::http::header;
+
 /// `Cache-Control` header, defined in [RFC7234](https://tools.ietf.org/html/rfc7234#section-5.2)
 ///
 /// The `Cache-Control` header field is used to specify directives for
@@ -191,8 +191,8 @@ impl FromStr for CacheDirective {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::header::Header;
-    use crate::test::TestRequest;
+    use crate::http::header::Header;
+    use actix_http::test::TestRequest;
 
     #[test]
     fn test_parse_multiple_headers() {
diff --git a/actix-http/src/header/common/content_disposition.rs b/src/types/header/content_disposition.rs
similarity index 99%
rename from actix-http/src/header/common/content_disposition.rs
rename to src/types/header/content_disposition.rs
index 6076d033c..4dc1aeacf 100644
--- a/actix-http/src/header/common/content_disposition.rs
+++ b/src/types/header/content_disposition.rs
@@ -10,7 +10,8 @@ use once_cell::sync::Lazy;
 use regex::Regex;
 use std::fmt::{self, Write};
 
-use crate::header::{self, ExtendedValue, Header, IntoHeaderValue, Writer};
+use crate::http::header;
+use super::{ExtendedValue, Header, IntoHeaderValue, Writer};
 
 /// Split at the index of the first `needle` if it exists or at the end.
 fn split_once(haystack: &str, needle: char) -> (&str, &str) {
@@ -554,8 +555,8 @@ impl fmt::Display for ContentDisposition {
 #[cfg(test)]
 mod tests {
     use super::{ContentDisposition, DispositionParam, DispositionType};
-    use crate::header::shared::Charset;
-    use crate::header::{ExtendedValue, HeaderValue};
+    use crate::http::header::Charset;
+    use crate::http::header::{ExtendedValue, HeaderValue};
 
     #[test]
     fn test_from_raw_basic() {
diff --git a/actix-http/src/header/common/content_language.rs b/src/types/header/content_language.rs
similarity index 96%
rename from actix-http/src/header/common/content_language.rs
rename to src/types/header/content_language.rs
index e9be67a1b..5987e15c2 100644
--- a/actix-http/src/header/common/content_language.rs
+++ b/src/types/header/content_language.rs
@@ -1,7 +1,7 @@
-use crate::header::{QualityItem, CONTENT_LANGUAGE};
+use super::{QualityItem, CONTENT_LANGUAGE};
 use language_tags::LanguageTag;
 
-header! {
+crate::header! {
     /// `Content-Language` header, defined in
     /// [RFC7231](https://tools.ietf.org/html/rfc7231#section-3.1.3.2)
     ///
diff --git a/actix-http/src/header/common/content_range.rs b/src/types/header/content_range.rs
similarity index 99%
rename from actix-http/src/header/common/content_range.rs
rename to src/types/header/content_range.rs
index 8b7552377..dfcf24251 100644
--- a/actix-http/src/header/common/content_range.rs
+++ b/src/types/header/content_range.rs
@@ -2,11 +2,11 @@ use std::fmt::{self, Display, Write};
 use std::str::FromStr;
 
 use crate::error::ParseError;
-use crate::header::{
+use super::{
     HeaderValue, IntoHeaderValue, InvalidHeaderValue, Writer, CONTENT_RANGE,
 };
 
-header! {
+crate::header! {
     /// `Content-Range` header, defined in
     /// [RFC7233](http://tools.ietf.org/html/rfc7233#section-4.2)
     (ContentRange, CONTENT_RANGE) => [ContentRangeSpec]
diff --git a/actix-http/src/header/common/content_type.rs b/src/types/header/content_type.rs
similarity index 98%
rename from actix-http/src/header/common/content_type.rs
rename to src/types/header/content_type.rs
index ac5c7e5b8..e4a4e621d 100644
--- a/actix-http/src/header/common/content_type.rs
+++ b/src/types/header/content_type.rs
@@ -1,7 +1,7 @@
-use crate::header::CONTENT_TYPE;
+use super::CONTENT_TYPE;
 use mime::Mime;
 
-header! {
+crate::header! {
     /// `Content-Type` header, defined in
     /// [RFC7231](http://tools.ietf.org/html/rfc7231#section-3.1.1.5)
     ///
diff --git a/actix-http/src/header/common/date.rs b/src/types/header/date.rs
similarity index 95%
rename from actix-http/src/header/common/date.rs
rename to src/types/header/date.rs
index e5ace95e6..35037d1bf 100644
--- a/actix-http/src/header/common/date.rs
+++ b/src/types/header/date.rs
@@ -1,7 +1,7 @@
-use crate::header::{HttpDate, DATE};
+use super::{HttpDate, DATE};
 use std::time::SystemTime;
 
-header! {
+crate::header! {
     /// `Date` header, defined in [RFC7231](http://tools.ietf.org/html/rfc7231#section-7.1.1.2)
     ///
     /// The `Date` header field represents the date and time at which the
diff --git a/actix-http/src/header/common/etag.rs b/src/types/header/etag.rs
similarity index 98%
rename from actix-http/src/header/common/etag.rs
rename to src/types/header/etag.rs
index 4c1e8d262..3a913c19b 100644
--- a/actix-http/src/header/common/etag.rs
+++ b/src/types/header/etag.rs
@@ -1,6 +1,6 @@
-use crate::header::{EntityTag, ETAG};
+use super::{EntityTag, ETAG};
 
-header! {
+crate::header! {
     /// `ETag` header, defined in [RFC7232](http://tools.ietf.org/html/rfc7232#section-2.3)
     ///
     /// The `ETag` header field in a response provides the current entity-tag
diff --git a/actix-http/src/header/common/expires.rs b/src/types/header/expires.rs
similarity index 95%
rename from actix-http/src/header/common/expires.rs
rename to src/types/header/expires.rs
index 79563955d..2816b50da 100644
--- a/actix-http/src/header/common/expires.rs
+++ b/src/types/header/expires.rs
@@ -1,6 +1,6 @@
-use crate::header::{HttpDate, EXPIRES};
+use super::{HttpDate, EXPIRES};
 
-header! {
+crate::header! {
     /// `Expires` header, defined in [RFC7234](http://tools.ietf.org/html/rfc7234#section-5.3)
     ///
     /// The `Expires` header field gives the date/time after which the
diff --git a/actix-http/src/header/common/if_match.rs b/src/types/header/if_match.rs
similarity index 97%
rename from actix-http/src/header/common/if_match.rs
rename to src/types/header/if_match.rs
index db255e91a..a5f2cc5bf 100644
--- a/actix-http/src/header/common/if_match.rs
+++ b/src/types/header/if_match.rs
@@ -1,6 +1,6 @@
-use crate::header::{EntityTag, IF_MATCH};
+use super::{EntityTag, IF_MATCH};
 
-header! {
+crate::header! {
     /// `If-Match` header, defined in
     /// [RFC7232](https://tools.ietf.org/html/rfc7232#section-3.1)
     ///
diff --git a/actix-http/src/header/common/if_modified_since.rs b/src/types/header/if_modified_since.rs
similarity index 95%
rename from actix-http/src/header/common/if_modified_since.rs
rename to src/types/header/if_modified_since.rs
index 99c7e441d..98cbacdba 100644
--- a/actix-http/src/header/common/if_modified_since.rs
+++ b/src/types/header/if_modified_since.rs
@@ -1,6 +1,6 @@
-use crate::header::{HttpDate, IF_MODIFIED_SINCE};
+use super::{HttpDate, IF_MODIFIED_SINCE};
 
-header! {
+crate::header! {
     /// `If-Modified-Since` header, defined in
     /// [RFC7232](http://tools.ietf.org/html/rfc7232#section-3.3)
     ///
diff --git a/actix-http/src/header/common/if_none_match.rs b/src/types/header/if_none_match.rs
similarity index 95%
rename from actix-http/src/header/common/if_none_match.rs
rename to src/types/header/if_none_match.rs
index 464caf1ae..79bf0a4c0 100644
--- a/actix-http/src/header/common/if_none_match.rs
+++ b/src/types/header/if_none_match.rs
@@ -1,6 +1,6 @@
-use crate::header::{EntityTag, IF_NONE_MATCH};
+use super::{EntityTag, IF_NONE_MATCH};
 
-header! {
+crate::header! {
     /// `If-None-Match` header, defined in
     /// [RFC7232](https://tools.ietf.org/html/rfc7232#section-3.2)
     ///
@@ -66,8 +66,8 @@ header! {
 #[cfg(test)]
 mod tests {
     use super::IfNoneMatch;
-    use crate::header::{EntityTag, Header, IF_NONE_MATCH};
-    use crate::test::TestRequest;
+    use crate::http::header::{EntityTag, Header, IF_NONE_MATCH};
+    use actix_http::test::TestRequest;
 
     #[test]
     fn test_if_none_match() {
diff --git a/actix-http/src/header/common/if_range.rs b/src/types/header/if_range.rs
similarity index 95%
rename from actix-http/src/header/common/if_range.rs
rename to src/types/header/if_range.rs
index 0a5749505..6398981e9 100644
--- a/actix-http/src/header/common/if_range.rs
+++ b/src/types/header/if_range.rs
@@ -1,8 +1,9 @@
 use std::fmt::{self, Display, Write};
 
+use crate::http::header;
 use crate::error::ParseError;
-use crate::header::{
-    self, from_one_raw_str, EntityTag, Header, HeaderName, HeaderValue, HttpDate,
+use super::{
+    from_one_raw_str, EntityTag, Header, HeaderName, HeaderValue, HttpDate,
     IntoHeaderValue, InvalidHeaderValue, Writer,
 };
 use crate::HttpMessage;
@@ -111,7 +112,7 @@ impl IntoHeaderValue for IfRange {
 #[cfg(test)]
 mod test_if_range {
     use super::IfRange as HeaderField;
-    use crate::header::*;
+    use crate::http::header::*;
     use std::str;
 
     test_header!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]);
diff --git a/actix-http/src/header/common/if_unmodified_since.rs b/src/types/header/if_unmodified_since.rs
similarity index 95%
rename from actix-http/src/header/common/if_unmodified_since.rs
rename to src/types/header/if_unmodified_since.rs
index 1c2b4af78..c63026554 100644
--- a/actix-http/src/header/common/if_unmodified_since.rs
+++ b/src/types/header/if_unmodified_since.rs
@@ -1,6 +1,6 @@
-use crate::header::{HttpDate, IF_UNMODIFIED_SINCE};
+use super::{HttpDate, IF_UNMODIFIED_SINCE};
 
-header! {
+crate::header! {
     /// `If-Unmodified-Since` header, defined in
     /// [RFC7232](http://tools.ietf.org/html/rfc7232#section-3.4)
     ///
diff --git a/actix-http/src/header/common/last_modified.rs b/src/types/header/last_modified.rs
similarity index 95%
rename from actix-http/src/header/common/last_modified.rs
rename to src/types/header/last_modified.rs
index 65608d846..2d06a1778 100644
--- a/actix-http/src/header/common/last_modified.rs
+++ b/src/types/header/last_modified.rs
@@ -1,6 +1,6 @@
-use crate::header::{HttpDate, LAST_MODIFIED};
+use super::{HttpDate, LAST_MODIFIED};
 
-header! {
+crate::header! {
     /// `Last-Modified` header, defined in
     /// [RFC7232](http://tools.ietf.org/html/rfc7232#section-2.2)
     ///
diff --git a/actix-http/src/header/common/mod.rs b/src/types/header/mod.rs
similarity index 97%
rename from actix-http/src/header/common/mod.rs
rename to src/types/header/mod.rs
index 90e0a855e..868346452 100644
--- a/actix-http/src/header/common/mod.rs
+++ b/src/types/header/mod.rs
@@ -7,6 +7,7 @@
 //! is used, such as `ContentType(pub Mime)`.
 #![cfg_attr(rustfmt, rustfmt_skip)]
 
+pub use actix_http::http::header::*;
 pub use self::accept_charset::AcceptCharset;
 //pub use self::accept_encoding::AcceptEncoding;
 pub use self::accept::Accept;
@@ -18,7 +19,6 @@ pub use self::content_disposition::{
 };
 pub use self::content_language::ContentLanguage;
 pub use self::content_range::{ContentRange, ContentRangeSpec};
-pub use self::content_encoding::{ContentEncoding};
 pub use self::content_type::ContentType;
 pub use self::date::Date;
 pub use self::etag::ETag;
@@ -30,6 +30,7 @@ pub use self::if_range::IfRange;
 pub use self::if_unmodified_since::IfUnmodifiedSince;
 pub use self::last_modified::LastModified;
 //pub use self::range::{Range, ByteRangeSpec};
+pub(crate) use self::utils::{fmt_comma_delimited, from_comma_delimited, from_one_raw_str};
 
 #[doc(hidden)]
 #[macro_export]
@@ -61,9 +62,9 @@ macro_rules! __hyper__tm {
         #[cfg(test)]
         mod $tm{
             use std::str;
-            use http::Method;
+            use actix_http::http::Method;
             use mime::*;
-            use $crate::header::*;
+            use $crate::http::header::*;
             use super::$id as HeaderField;
             $($tf)*
         }
@@ -77,8 +78,8 @@ macro_rules! test_header {
     ($id:ident, $raw:expr) => {
         #[test]
         fn $id() {
-            use super::*;
-            use $crate::test;
+            use actix_http::http::header::Header;
+            use actix_http::test;
 
             let raw = $raw;
             let a: Vec<Vec<u8>> = raw.iter().map(|x| x.to_vec()).collect();
@@ -106,7 +107,7 @@ macro_rules! test_header {
     ($id:ident, $raw:expr, $typed:expr) => {
         #[test]
         fn $id() {
-            use $crate::test;
+            use actix_http::test;
 
             let a: Vec<Vec<u8>> = $raw.iter().map(|x| x.to_vec()).collect();
             let mut req = test::TestRequest::default();
@@ -134,6 +135,7 @@ macro_rules! test_header {
     };
 }
 
+#[doc(hidden)]
 #[macro_export]
 macro_rules! header {
     // $a:meta: Attributes associated with the header item (usually docs)
@@ -341,7 +343,6 @@ mod allow;
 mod cache_control;
 mod content_disposition;
 mod content_language;
-mod content_encoding;
 mod content_range;
 mod content_type;
 mod date;
@@ -353,3 +354,4 @@ mod if_none_match;
 mod if_range;
 mod if_unmodified_since;
 mod last_modified;
+mod utils;
diff --git a/actix-http/src/header/common/range.rs b/src/types/header/range.rs
similarity index 99%
rename from actix-http/src/header/common/range.rs
rename to src/types/header/range.rs
index f9e203bb2..a9b40b403 100644
--- a/actix-http/src/header/common/range.rs
+++ b/src/types/header/range.rs
@@ -1,8 +1,8 @@
 use std::fmt::{self, Display};
 use std::str::FromStr;
 
-use header::parsing::from_one_raw_str;
-use header::{Header, Raw};
+use super::parsing::from_one_raw_str;
+use super::{Header, Raw};
 
 /// `Range` header, defined in [RFC7233](https://tools.ietf.org/html/rfc7233#section-3.1)
 ///
diff --git a/actix-http/src/header/utils.rs b/src/types/header/utils.rs
similarity index 78%
rename from actix-http/src/header/utils.rs
rename to src/types/header/utils.rs
index e232d462f..a1258368c 100644
--- a/actix-http/src/header/utils.rs
+++ b/src/types/header/utils.rs
@@ -1,8 +1,7 @@
 use std::{fmt, str::FromStr};
 
-use http::HeaderValue;
-
-use crate::{error::ParseError, header::HTTP_VALUE};
+use super::HeaderValue;
+use crate::error::ParseError;
 
 /// Reads a comma-delimited raw header into a Vec.
 #[inline]
@@ -54,10 +53,3 @@ where
     }
     Ok(())
 }
-
-/// Percent encode a sequence of bytes with a character set defined in
-/// <https://tools.ietf.org/html/rfc5987#section-3.2>
-pub fn http_percent_encode(f: &mut fmt::Formatter<'_>, bytes: &[u8]) -> fmt::Result {
-    let encoded = percent_encoding::percent_encode(bytes, HTTP_VALUE);
-    fmt::Display::fmt(&encoded, f)
-}
diff --git a/src/types/mod.rs b/src/types/mod.rs
index a062c351e..f472fed74 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -3,6 +3,7 @@
 // TODO: review visibility
 mod either;
 pub(crate) mod form;
+pub mod header;
 pub(crate) mod json;
 mod path;
 pub(crate) mod payload;