diff --git a/Cargo.toml b/Cargo.toml
index 15ab7adfe..eebf857e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -62,9 +62,9 @@ targets = [
   "aarch64-linux-android",
   "x86_64-apple-darwin",
   "x86_64-pc-windows-msvc",
-  "x86_64-pc-solaris",
   "x86_64-unknown-dragonfly",
   "x86_64-unknown-freebsd",
+  "x86_64-unknown-illumos",
   "x86_64-unknown-linux-gnu",
   "x86_64-unknown-netbsd",
   "x86_64-unknown-openbsd",
diff --git a/Makefile b/Makefile
index 8f797612c..d46c20b72 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 # Targets available via Rustup that are supported.
-TARGETS ?= "aarch64-apple-ios" "aarch64-linux-android" "x86_64-apple-darwin" "x86_64-pc-windows-msvc" "x86_64-pc-solaris" "x86_64-unknown-freebsd" "x86_64-unknown-linux-gnu" "x86_64-unknown-netbsd"
+TARGETS ?= "aarch64-apple-ios" "aarch64-linux-android" "x86_64-apple-darwin" "x86_64-pc-windows-msvc" "x86_64-unknown-freebsd" "x86_64-unknown-illumos" "x86_64-unknown-linux-gnu" "x86_64-unknown-netbsd"
 
 test:
 	cargo test --all-features
diff --git a/ci/azure-cross-compile.yml b/ci/azure-cross-compile.yml
index 0c3372707..fb62cc437 100644
--- a/ci/azure-cross-compile.yml
+++ b/ci/azure-cross-compile.yml
@@ -30,9 +30,9 @@ jobs:
           vmImage: ubuntu-18.04
           target: x86_64-unknown-netbsd
 
-        Solaris:
+        illumos:
           vmImage: ubuntu-18.04
-          target: x86_64-pc-solaris
+          target: x86_64-unknown-illumos
 
     pool:
       vmImage: $(vmImage)
diff --git a/src/poll.rs b/src/poll.rs
index 62e82cce4..bae88ad6b 100644
--- a/src/poll.rs
+++ b/src/poll.rs
@@ -172,13 +172,12 @@ use std::{fmt, io};
 /// | Android       | [epoll]   |
 /// | DragonFly BSD | [kqueue]  |
 /// | FreeBSD       | [kqueue]  |
+/// | iOS           | [kqueue]  |
+/// | illumos       | [epoll]   |
 /// | Linux         | [epoll]   |
 /// | NetBSD        | [kqueue]  |
 /// | OpenBSD       | [kqueue]  |
-/// | Solaris       | [epoll]   |
-/// | illumos       | [epoll]   |
 /// | Windows       | [IOCP]    |
-/// | iOS           | [kqueue]  |
 /// | macOS         | [kqueue]  |
 ///
 /// On all supported platforms, socket operations are handled by using the
@@ -382,7 +381,7 @@ impl Registry {
     ///
     /// # Arguments
     ///
-    /// `source: &S: event::Source`: This is the source of events that the
+    /// `source: &mut S: event::Source`: This is the source of events that the
     /// `Poll` instance should monitor for readiness state changes.
     ///
     /// `token: Token`: The caller picks a token to associate with the socket.
diff --git a/src/sys/unix/net.rs b/src/sys/unix/net.rs
index 2f8d618c0..78f1387b1 100644
--- a/src/sys/unix/net.rs
+++ b/src/sys/unix/net.rs
@@ -41,9 +41,8 @@ pub(crate) fn new_socket(domain: libc::c_int, socket_type: libc::c_int) -> io::R
         .map(|_| socket)
     });
 
-    // Darwin doesn't have SOCK_NONBLOCK or SOCK_CLOEXEC. Not sure about
-    // Solaris, couldn't find anything online.
-    #[cfg(any(target_os = "ios", target_os = "macos", target_os = "solaris"))]
+    // Darwin doesn't have SOCK_NONBLOCK or SOCK_CLOEXEC.
+    #[cfg(any(target_os = "ios", target_os = "macos"))]
     let socket = socket.and_then(|socket| {
         // For platforms that don't support flags in socket, we need to
         // set the flags ourselves.
@@ -124,7 +123,7 @@ pub(crate) fn socket_addr(addr: &SocketAddr) -> (SocketAddrCRepr, libc::socklen_
                     target_os = "openbsd"
                 ))]
                 sin6_len: 0,
-                #[cfg(any(target_os = "solaris", target_os = "illumos"))]
+                #[cfg(target_os = "illumos")]
                 __sin6_src_id: 0,
             };
 
diff --git a/src/sys/unix/pipe.rs b/src/sys/unix/pipe.rs
index ccf5252d5..c899dfb2d 100644
--- a/src/sys/unix/pipe.rs
+++ b/src/sys/unix/pipe.rs
@@ -162,7 +162,7 @@ pub fn new() -> io::Result<(Sender, Receiver)> {
         }
     }
 
-    #[cfg(any(target_os = "ios", target_os = "macos", target_os = "solaris"))]
+    #[cfg(any(target_os = "ios", target_os = "macos"))]
     unsafe {
         // For platforms that don't have `pipe2(2)` we need to manually set the
         // correct flags on the file descriptor.
@@ -192,7 +192,6 @@ pub fn new() -> io::Result<(Sender, Receiver)> {
         target_os = "openbsd",
         target_os = "ios",
         target_os = "macos",
-        target_os = "solaris",
         target_os = "illumos",
     )))]
     compile_error!("unsupported target for `mio::unix::pipe`");
diff --git a/src/sys/unix/selector/epoll.rs b/src/sys/unix/selector/epoll.rs
index 38667d66c..f4430909b 100644
--- a/src/sys/unix/selector/epoll.rs
+++ b/src/sys/unix/selector/epoll.rs
@@ -222,7 +222,7 @@ pub mod event {
             libc::EPOLLET,
             libc::EPOLLRDHUP,
             libc::EPOLLONESHOT,
-            #[cfg(any(target_os = "linux", target_os = "solaris"))]
+            #[cfg(target_os = "linux")]
             libc::EPOLLEXCLUSIVE,
             #[cfg(any(target_os = "android", target_os = "linux"))]
             libc::EPOLLWAKEUP,
diff --git a/src/sys/unix/selector/mod.rs b/src/sys/unix/selector/mod.rs
index b73d645bd..da61e14d7 100644
--- a/src/sys/unix/selector/mod.rs
+++ b/src/sys/unix/selector/mod.rs
@@ -1,17 +1,7 @@
-#[cfg(any(
-    target_os = "android",
-    target_os = "illumos",
-    target_os = "linux",
-    target_os = "solaris"
-))]
+#[cfg(any(target_os = "android", target_os = "illumos", target_os = "linux"))]
 mod epoll;
 
-#[cfg(any(
-    target_os = "android",
-    target_os = "illumos",
-    target_os = "linux",
-    target_os = "solaris"
-))]
+#[cfg(any(target_os = "android", target_os = "illumos", target_os = "linux"))]
 pub(crate) use self::epoll::{event, Event, Events, Selector};
 
 #[cfg(any(
diff --git a/src/sys/unix/tcp.rs b/src/sys/unix/tcp.rs
index f26bb303d..5b02cfcb5 100644
--- a/src/sys/unix/tcp.rs
+++ b/src/sys/unix/tcp.rs
@@ -88,7 +88,6 @@ pub(crate) fn accept(listener: &net::TcpListener) -> io::Result<(net::TcpStream,
         all(target_arch = "x86", target_os = "android"),
         target_os = "ios",
         target_os = "macos",
-        target_os = "solaris"
     ))]
     let stream = {
         syscall!(accept(
diff --git a/src/sys/unix/uds/listener.rs b/src/sys/unix/uds/listener.rs
index 84a9591b5..b6218427f 100644
--- a/src/sys/unix/uds/listener.rs
+++ b/src/sys/unix/uds/listener.rs
@@ -42,7 +42,6 @@ pub(crate) fn accept(listener: &net::UnixListener) -> io::Result<(UnixStream, So
         target_os = "ios",
         target_os = "macos",
         target_os = "netbsd",
-        target_os = "solaris",
         // Android x86's seccomp profile forbids calls to `accept4(2)`
         // See https://github.com/tokio-rs/mio/issues/1445 for details
         all(
@@ -65,7 +64,6 @@ pub(crate) fn accept(listener: &net::UnixListener) -> io::Result<(UnixStream, So
         target_os = "ios",
         target_os = "macos",
         target_os = "netbsd",
-        target_os = "solaris",
         all(target_arch = "x86", target_os = "android")
     ))]
     let socket = syscall!(accept(
diff --git a/src/sys/unix/uds/mod.rs b/src/sys/unix/uds/mod.rs
index 3ec829f0c..8e28a9573 100644
--- a/src/sys/unix/uds/mod.rs
+++ b/src/sys/unix/uds/mod.rs
@@ -77,20 +77,20 @@ cfg_os_poll! {
     fn pair<T>(flags: libc::c_int) -> io::Result<(T, T)>
         where T: FromRawFd,
     {
-        #[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "solaris")))]
+        #[cfg(not(any(target_os = "ios", target_os = "macos")))]
         let flags = flags | libc::SOCK_NONBLOCK | libc::SOCK_CLOEXEC;
 
         let mut fds = [-1; 2];
         syscall!(socketpair(libc::AF_UNIX, flags, 0, fds.as_mut_ptr()))?;
         let pair = unsafe { (T::from_raw_fd(fds[0]), T::from_raw_fd(fds[1])) };
 
-        // Darwin and Solaris do not have SOCK_NONBLOCK or SOCK_CLOEXEC.
+        // Darwin doesn't have SOCK_NONBLOCK or SOCK_CLOEXEC.
         //
         // In order to set those flags, additional `fcntl` sys calls must be
         // performed. If a `fnctl` fails after the sockets have been created,
         // the file descriptors will leak. Creating `pair` above ensures that if
         // there is an error, the file descriptors are closed.
-        #[cfg(any(target_os = "ios", target_os = "macos", target_os = "solaris"))]
+        #[cfg(any(target_os = "ios", target_os = "macos"))]
         {
             syscall!(fcntl(fds[0], libc::F_SETFL, libc::O_NONBLOCK))?;
             syscall!(fcntl(fds[0], libc::F_SETFD, libc::FD_CLOEXEC))?;
diff --git a/src/sys/unix/waker.rs b/src/sys/unix/waker.rs
index a7cf484e5..684fee981 100644
--- a/src/sys/unix/waker.rs
+++ b/src/sys/unix/waker.rs
@@ -103,7 +103,6 @@ pub use self::kqueue::Waker;
     target_os = "illumos",
     target_os = "netbsd",
     target_os = "openbsd",
-    target_os = "solaris"
 ))]
 mod pipe {
     use crate::sys::unix::Selector;
@@ -175,6 +174,5 @@ mod pipe {
     target_os = "illumos",
     target_os = "netbsd",
     target_os = "openbsd",
-    target_os = "solaris"
 ))]
 pub use self::pipe::Waker;
diff --git a/tests/tcp_stream.rs b/tests/tcp_stream.rs
index ec55341bd..a0c7d3b79 100644
--- a/tests/tcp_stream.rs
+++ b/tests/tcp_stream.rs
@@ -542,12 +542,7 @@ fn tcp_shutdown_client_read_close_event() {
 #[test]
 #[cfg_attr(windows, ignore = "fails; client write_closed events are not found")]
 #[cfg_attr(
-    any(
-        target_os = "android",
-        target_os = "illumos",
-        target_os = "linux",
-        target_os = "solaris"
-    ),
+    any(target_os = "android", target_os = "illumos", target_os = "linux"),
     ignore = "fails; client write_closed events are not found"
 )]
 fn tcp_shutdown_client_write_close_event() {