diff --git a/lib_eio/time.mli b/lib_eio/time.mli
index 5143ad2d0..ed999ec2d 100644
--- a/lib_eio/time.mli
+++ b/lib_eio/time.mli
@@ -57,7 +57,7 @@ module Timeout : sig
   type t
 
   val of_s : #clock -> float -> t
-  (** [of_s clock duration] is a timeout of [duration] seconds, as measured by [clock]. *)
+  [@@deprecated "Use [seconds] instead, with a monotonic clock"]
 
   val v : #Mono.t -> Mtime.Span.t -> t
   (** [v clock duration] is a timeout of [duration], as measured by [clock].
diff --git a/tests/network.md b/tests/network.md
index 40a4d68df..b2860026e 100644
--- a/tests/network.md
+++ b/tests/network.md
@@ -685,8 +685,8 @@ First attempt times out:
 
 ```ocaml
 # Eio_mock.Backend.run @@ fun () ->
-  let clock = Eio_mock.Clock.make () in
-  let timeout = Eio.Time.Timeout.of_s clock 10. in
+  let clock = Eio_mock.Clock.Mono.make () in
+  let timeout = Eio.Time.Timeout.seconds clock 10. in
   Eio_mock.Net.on_getaddrinfo net [`Return [addr1; addr2]];
   let mock_flow = Eio_mock.Flow.make "flow" in
   Eio_mock.Net.on_connect net [`Run Fiber.await_cancel; `Return mock_flow];
@@ -698,7 +698,7 @@ First attempt times out:
        )
     )
     (fun () ->
-       Eio_mock.Clock.advance clock
+       Eio_mock.Clock.Mono.advance clock
      );;
 +mock-net: getaddrinfo ~service:http www.example.com
 +mock-net: connect to tcp:127.0.0.1:80
@@ -715,8 +715,8 @@ Both attempts time out:
 
 ```ocaml
 # Eio_mock.Backend.run @@ fun () ->
-  let clock = Eio_mock.Clock.make () in
-  let timeout = Eio.Time.Timeout.of_s clock 10. in
+  let clock = Eio_mock.Clock.Mono.make () in
+  let timeout = Eio.Time.Timeout.seconds clock 10. in
   Eio_mock.Net.on_getaddrinfo net [`Return [addr1; addr2]];
   Eio_mock.Net.on_connect net [`Run Fiber.await_cancel; `Run Fiber.await_cancel];
   Fiber.both
@@ -726,10 +726,10 @@ Both attempts time out:
        )
     )
     (fun () ->
-       Eio_mock.Clock.advance clock;
+       Eio_mock.Clock.Mono.advance clock;
        Fiber.yield ();
        Fiber.yield ();
-       Eio_mock.Clock.advance clock
+       Eio_mock.Clock.Mono.advance clock
      );;
 +mock-net: getaddrinfo ~service:http www.example.com
 +mock-net: connect to tcp:127.0.0.1:80
diff --git a/tests/time.md b/tests/time.md
index af160f046..0986d7525 100644
--- a/tests/time.md
+++ b/tests/time.md
@@ -113,17 +113,19 @@ let rec loop () =
 ### Timeouts
 
 ```ocaml
-# run @@ fun ~clock ->
+# Eio_main.run @@ fun env ->
+  let clock = Eio.Stdenv.mono_clock env in
   Eio.Time.Timeout.(run_exn none) (fun () -> ());
-  let t = Eio.Time.Timeout.of_s clock 0.0001 in
+  let t = Eio.Time.Timeout.seconds clock 0.0001 in
   Eio.Time.Timeout.run_exn t (fun () -> Fiber.await_cancel ());;
 Exception: Eio__Time.Timeout.
 ```
 
 ```ocaml
-# run @@ fun ~clock ->
+# Eio_main.run @@ fun env ->
+  let clock = Eio.Stdenv.mono_clock env in
   let show d =
-    let t = Eio.Time.Timeout.of_s clock d in
+    let t = Eio.Time.Timeout.seconds clock d in
     traceln "%g -> %a" d Eio.Time.Timeout.pp t
   in
   show 0.000000001;