diff --git a/src/stream/double_ended_stream/mod.rs b/src/stream/double_ended_stream/mod.rs
index a177865..ed10fd2 100644
--- a/src/stream/double_ended_stream/mod.rs
+++ b/src/stream/double_ended_stream/mod.rs
@@ -22,8 +22,6 @@ use try_rfold::TryRFoldFuture;
 /// `Item`s from the back, as well as the front.
 ///
 /// [`Stream`]: trait.Stream.html
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait DoubleEndedStream: Stream {
     #[doc = r#"
         Attempts to receive the next item from the back of the stream.
diff --git a/src/stream/exact_size_stream.rs b/src/stream/exact_size_stream.rs
index 8b6ba97..28792c6 100644
--- a/src/stream/exact_size_stream.rs
+++ b/src/stream/exact_size_stream.rs
@@ -76,8 +76,6 @@ pub use crate::stream::Stream;
 /// # });
 /// ```
 #[allow(clippy::len_without_is_empty)] // ExactSizeIterator::is_empty is unstable
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait ExactSizeStream: Stream {
     /// Returns the exact number of times the stream will iterate.
     ///
diff --git a/src/stream/extend.rs b/src/stream/extend.rs
index 702cbca..9f54007 100644
--- a/src/stream/extend.rs
+++ b/src/stream/extend.rs
@@ -27,8 +27,6 @@ use crate::stream::IntoStream;
 /// #
 /// # })
 /// ```
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait Extend<A> {
     /// Extends a collection with the contents of a stream.
     fn extend<'a, T: IntoStream<Item = A> + 'a>(
diff --git a/src/stream/fused_stream.rs b/src/stream/fused_stream.rs
index e14ab5b..5d02f1d 100644
--- a/src/stream/fused_stream.rs
+++ b/src/stream/fused_stream.rs
@@ -14,8 +14,6 @@ use crate::stream::Stream;
 /// [`None`]: https://doc.rust-lang.org/std/option/enum.Option.html#variant.None
 /// [`Stream::fuse`]: trait.Stream.html#method.fuse
 /// [`Fuse`]: struct.Fuse.html
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait FusedStream: Stream {}
 
 impl<S: FusedStream + ?Sized + Unpin> FusedStream for &mut S {}
diff --git a/src/stream/interval.rs b/src/stream/interval.rs
index 7a0c174..8dd6b5e 100644
--- a/src/stream/interval.rs
+++ b/src/stream/interval.rs
@@ -41,8 +41,6 @@ use futures_timer::Delay;
 /// #
 /// # Ok(()) }) }
 /// ```
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub fn interval(dur: Duration) -> Interval {
     Interval {
         delay: Delay::new(dur),
@@ -56,8 +54,6 @@ pub fn interval(dur: Duration) -> Interval {
 /// documentation for more.
 ///
 /// [`interval`]: fn.interval.html
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 #[derive(Debug)]
 pub struct Interval {
     delay: Delay,
diff --git a/src/stream/mod.rs b/src/stream/mod.rs
index 0bfd4e8..8984b22 100644
--- a/src/stream/mod.rs
+++ b/src/stream/mod.rs
@@ -300,46 +300,46 @@
 //! [`take`]: trait.Stream.html#method.take
 //! [`min`]: trait.Stream.html#method.min
 
+pub use double_ended_stream::DoubleEndedStream;
 pub use empty::{empty, Empty};
+pub use exact_size_stream::ExactSizeStream;
 pub use from_fn::{from_fn, FromFn};
 pub use from_iter::{from_iter, FromIter};
+pub use fused_stream::FusedStream;
+pub use interval::{interval, Interval};
 pub use once::{once, Once};
+pub use pending::{pending, Pending};
+pub use product::Product;
 pub use repeat::{repeat, Repeat};
 pub use repeat_with::{repeat_with, RepeatWith};
+pub use stream::Merge;
 pub use stream::*;
+pub use successors::{successors, Successors};
+pub use sum::Sum;
 
 pub(crate) mod stream;
 
+mod double_ended_stream;
 mod empty;
+mod exact_size_stream;
 mod from_fn;
 mod from_iter;
+mod fused_stream;
+mod interval;
 mod once;
+mod pending;
+mod product;
 mod repeat;
 mod repeat_with;
+mod successors;
+mod sum;
 
 cfg_unstable! {
-    mod double_ended_stream;
-    mod exact_size_stream;
-    mod extend;
     mod from_stream;
-    mod fused_stream;
-    mod interval;
     mod into_stream;
-    mod pending;
-    mod product;
-    mod successors;
-    mod sum;
+    mod extend;
 
-    pub use double_ended_stream::DoubleEndedStream;
-    pub use exact_size_stream::ExactSizeStream;
     pub use extend::{extend, Extend};
     pub use from_stream::FromStream;
-    pub use fused_stream::FusedStream;
-    pub use interval::{interval, Interval};
     pub use into_stream::IntoStream;
-    pub use pending::{pending, Pending};
-    pub use product::Product;
-    pub use stream::Merge;
-    pub use successors::{successors, Successors};
-    pub use sum::Sum;
 }
diff --git a/src/stream/once.rs b/src/stream/once.rs
index b86f181..c21a1e6 100644
--- a/src/stream/once.rs
+++ b/src/stream/once.rs
@@ -5,7 +5,6 @@ use pin_project_lite::pin_project;
 use crate::stream::Stream;
 use crate::task::{Context, Poll};
 
-#[cfg(feature = "unstable")]
 use crate::stream::DoubleEndedStream;
 
 /// Creates a stream that yields a single item.
@@ -50,8 +49,7 @@ impl<T> Stream for Once<T> {
     }
 }
 
-#[cfg(feature = "unstable")]
-impl <T> DoubleEndedStream for Once<T> {
+impl<T> DoubleEndedStream for Once<T> {
     fn poll_next_back(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
         Poll::Ready(self.project().value.take())
     }
diff --git a/src/stream/product.rs b/src/stream/product.rs
index 15497e8..44aef4e 100644
--- a/src/stream/product.rs
+++ b/src/stream/product.rs
@@ -1,5 +1,5 @@
-use core::pin::Pin;
 use core::future::Future;
+use core::pin::Pin;
 
 use crate::stream::Stream;
 
@@ -13,8 +13,6 @@ use crate::stream::Stream;
 /// [`product`]: trait.Product.html#tymethod.product
 /// [`FromStream`]: trait.FromStream.html
 /// [`Stream::product`]: trait.Stream.html#method.product
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait Product<A = Self>: Sized {
     /// Method which takes a stream and generates `Self` from the elements by
     /// multiplying the items.
@@ -23,9 +21,9 @@ pub trait Product<A = Self>: Sized {
         S: Stream<Item = A> + 'a;
 }
 
-use core::ops::Mul;
-use core::num::Wrapping;
 use crate::stream::stream::StreamExt;
+use core::num::Wrapping;
+use core::ops::Mul;
 
 macro_rules! integer_product {
     (@impls $one: expr, $($a:ty)*) => ($(
@@ -75,5 +73,5 @@ macro_rules! float_product {
     );
 }
 
-integer_product!{ i8 i16 i32 i64 i128 isize u8 u16 u32 u64 u128 usize }
-float_product!{ f32 f64 }
+integer_product! { i8 i16 i32 i64 i128 isize u8 u16 u32 u64 u128 usize }
+float_product! { f32 f64 }
diff --git a/src/stream/stream/count.rs b/src/stream/stream/count.rs
index 63e0449..ae6c78c 100644
--- a/src/stream/stream/count.rs
+++ b/src/stream/stream/count.rs
@@ -9,8 +9,6 @@ use crate::task::{Context, Poll};
 pin_project! {
     #[doc(hidden)]
     #[allow(missing_debug_implementations)]
-    #[cfg(feature = "unstable")]
-    #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
     pub struct CountFuture<S> {
         #[pin]
         stream: S,
diff --git a/src/stream/stream/merge.rs b/src/stream/stream/merge.rs
index 2320972..d1eea9d 100644
--- a/src/stream/stream/merge.rs
+++ b/src/stream/stream/merge.rs
@@ -16,8 +16,6 @@ pin_project! {
     ///
     /// [`merge`]: trait.Stream.html#method.merge
     /// [`Stream`]: trait.Stream.html
-    #[cfg(feature = "unstable")]
-    #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
     #[derive(Debug)]
     pub struct Merge<L, R> {
         #[pin]
diff --git a/src/stream/stream/mod.rs b/src/stream/stream/mod.rs
index d0cc718..da85269 100644
--- a/src/stream/stream/mod.rs
+++ b/src/stream/stream/mod.rs
@@ -27,7 +27,9 @@ mod chain;
 mod cloned;
 mod cmp;
 mod copied;
+mod count;
 mod cycle;
+mod delay;
 mod enumerate;
 mod eq;
 mod filter;
@@ -47,6 +49,7 @@ mod map;
 mod max;
 mod max_by;
 mod max_by_key;
+mod merge;
 mod min;
 mod min_by;
 mod min_by_key;
@@ -61,13 +64,17 @@ mod skip_while;
 mod step_by;
 mod take;
 mod take_while;
+mod throttle;
+mod timeout;
 mod try_fold;
 mod try_for_each;
+mod unzip;
 mod zip;
 
 use all::AllFuture;
 use any::AnyFuture;
 use cmp::CmpFuture;
+use count::CountFuture;
 use cycle::Cycle;
 use enumerate::Enumerate;
 use eq::EqFuture;
@@ -94,53 +101,48 @@ use partial_cmp::PartialCmpFuture;
 use position::PositionFuture;
 use try_fold::TryFoldFuture;
 use try_for_each::TryForEachFuture;
+use unzip::UnzipFuture;
 
 pub use chain::Chain;
 pub use cloned::Cloned;
 pub use copied::Copied;
+pub use delay::Delay;
 pub use filter::Filter;
 pub use fuse::Fuse;
 pub use inspect::Inspect;
 pub use map::Map;
+pub use merge::Merge;
 pub use scan::Scan;
 pub use skip::Skip;
 pub use skip_while::SkipWhile;
 pub use step_by::StepBy;
 pub use take::Take;
 pub use take_while::TakeWhile;
+pub use throttle::Throttle;
+pub use timeout::{Timeout, TimeoutError};
 pub use zip::Zip;
 
 use core::cmp::Ordering;
+use core::future::Future;
+use core::pin::Pin;
+use core::time::Duration;
 
-cfg_unstable! {
-    use core::future::Future;
-    use core::pin::Pin;
-    use core::time::Duration;
+use crate::stream::{Product, Sum};
 
+cfg_unstable! {
+    use crate::stream::FromStream;
     use crate::stream::into_stream::IntoStream;
-    use crate::stream::{FromStream, Product, Sum};
     use crate::stream::Extend;
 
-    use count::CountFuture;
     use partition::PartitionFuture;
-    use unzip::UnzipFuture;
 
-    pub use merge::Merge;
     pub use flatten::Flatten;
     pub use flat_map::FlatMap;
-    pub use timeout::{TimeoutError, Timeout};
-    pub use throttle::Throttle;
-    pub use delay::Delay;
 
-    mod count;
-    mod merge;
+
     mod flatten;
     mod flat_map;
     mod partition;
-    mod timeout;
-    mod throttle;
-    mod delay;
-    mod unzip;
 }
 
 extension_trait! {
@@ -355,8 +357,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn throttle(self, d: Duration) -> Throttle<Self>
         where
             Self: Sized,
@@ -598,8 +598,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(any(feature = "unstable", feature = "docs"))]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn delay(self, dur: std::time::Duration) -> Delay<Self>
         where
             Self: Sized,
@@ -1511,8 +1509,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn by_ref(&mut self) -> &mut Self {
             self
         }
@@ -1656,8 +1652,6 @@ extension_trait! {
             # Ok(()) }) }
             ```
         "#]
-        #[cfg(any(feature = "unstable", feature = "docs"))]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn timeout(self, dur: Duration) -> Timeout<Self>
         where
             Self: Stream + Sized,
@@ -1822,8 +1816,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn unzip<A, B, FromA, FromB>(self) -> impl Future<Output = (FromA, FromB)> [UnzipFuture<Self, FromA, FromB>]
         where
         FromA: Default + Extend<A>,
@@ -1921,8 +1913,6 @@ extension_trait! {
             # });
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn merge<U>(self, other: U) -> Merge<Self, U>
         where
             Self: Sized,
@@ -2068,8 +2058,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn count(self) -> impl Future<Output = usize> [CountFuture<Self>]
         where
             Self: Sized,
@@ -2330,8 +2318,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn sum<'a, S>(
             self,
         ) -> impl Future<Output = S> + 'a [Pin<Box<dyn Future<Output = S> + 'a>>]
@@ -2376,8 +2362,6 @@ extension_trait! {
             # }) }
             ```
         "#]
-        #[cfg(feature = "unstable")]
-        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         fn product<'a, P>(
             self,
         ) -> impl Future<Output = P> + 'a [Pin<Box<dyn Future<Output = P> + 'a>>]
diff --git a/src/stream/stream/timeout.rs b/src/stream/stream/timeout.rs
index ce658c8..411be7e 100644
--- a/src/stream/stream/timeout.rs
+++ b/src/stream/stream/timeout.rs
@@ -47,8 +47,6 @@ impl<S: Stream> Stream for Timeout<S> {
 }
 
 /// An error returned when a stream times out.
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
-#[cfg(any(feature = "unstable", feature = "docs"))]
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
 pub struct TimeoutError {
     _private: (),
diff --git a/src/stream/stream/unzip.rs b/src/stream/stream/unzip.rs
index 7771509..94cbc0a 100644
--- a/src/stream/stream/unzip.rs
+++ b/src/stream/stream/unzip.rs
@@ -8,8 +8,6 @@ use crate::task::{Context, Poll};
 
 pin_project! {
     #[derive(Clone, Debug)]
-    #[cfg(feature = "unstable")]
-    #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
     pub struct UnzipFuture<S, FromA, FromB> {
         #[pin]
         stream: S,
diff --git a/src/stream/successors.rs b/src/stream/successors.rs
index a9ce40f..fb450c6 100644
--- a/src/stream/successors.rs
+++ b/src/stream/successors.rs
@@ -27,8 +27,6 @@ use pin_project_lite::pin_project;
 /// #
 /// # }) }
 /// ```
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub fn successors<F, T>(first: Option<T>, succ: F) -> Successors<F, T>
 where
     F: FnMut(&T) -> Option<T>,
@@ -43,8 +41,6 @@ pin_project! {
     /// This stream is constructed by [`successors`] function
     ///
     /// [`successors`]: fn.succssors.html
-    #[cfg(feature = "unstable")]
-    #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
     #[derive(Debug)]
     pub struct Successors<F, T>
     where
diff --git a/src/stream/sum.rs b/src/stream/sum.rs
index 3b3144e..eee41bd 100644
--- a/src/stream/sum.rs
+++ b/src/stream/sum.rs
@@ -13,8 +13,6 @@ use crate::stream::Stream;
 /// [`sum`]: trait.Sum.html#tymethod.sum
 /// [`FromStream`]: trait.FromStream.html
 /// [`Stream::sum`]: trait.Stream.html#method.sum
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait Sum<A = Self>: Sized {
     /// Method which takes a stream and generates `Self` from the elements by
     /// "summing up" the items.