diff --git a/http-mirage-client.opam b/http-mirage-client.opam
index 1a1e4e2..80cafd4 100644
--- a/http-mirage-client.opam
+++ b/http-mirage-client.opam
@@ -11,19 +11,18 @@ depends: [
   "dune" {>= "2.3"}
   "ocaml" {>= "4.11.0"}
   "paf" {>= "0.2.0"}
-  "mirage-clock" {>= "4.0.0"}
-  "mirage-time" {>= "3.0.0"}
   "tcpip" {>= "7.0.0"}
   "lwt" {>= "5.5.0"}
   "mimic-happy-eyeballs" {>= "0.0.9"}
   "httpaf"
   "alcotest-lwt" {with-test & >= "1.0.0"}
-  "mirage-clock-unix" {with-test & >= "4.0.0"}
   "mirage-crypto-rng" {with-test}
-  "mirage-time-unix" {with-test & >= "3.0.0"}
+  "dns-client-mirage" {with-test & >= "10.0.0"}
+  "happy-eyeballs-mirage" {with-test & >= "2.0.0"}
   "h2" {>= "0.10.0"}
   "tls" {>= "1.0.0"}
   "x509" {>= "1.0.0"}
+  "ca-certs-nss" {>= "3.108-1"}
 ]
 build: [
   ["dune" "subst"] {dev}
diff --git a/src/dune b/src/dune
index 98aeb80..237d016 100644
--- a/src/dune
+++ b/src/dune
@@ -1,4 +1,4 @@
 (library
  (name http_mirage_client)
  (public_name http-mirage-client)
- (libraries paf mirage-clock x509 tcpip mimic-happy-eyeballs httpaf h2))
+ (libraries paf x509 tcpip mimic-happy-eyeballs httpaf h2 ca-certs-nss))
diff --git a/src/http_mirage_client.ml b/src/http_mirage_client.ml
index 1b71a38..ade1835 100644
--- a/src/http_mirage_client.ml
+++ b/src/http_mirage_client.ml
@@ -22,7 +22,6 @@ module type S = sig
 end
 
 module Make
-    (Pclock : Mirage_clock.PCLOCK)
     (TCP : Tcpip.Tcp.S)
     (Happy_eyeballs : Mimic_happy_eyeballs.S with type flow = TCP.flow) : S =
 struct
@@ -86,9 +85,7 @@ struct
       | Error _ -> None)
     | _ -> None
 
-  let authenticator =
-    let module V = Ca_certs_nss.Make (Pclock) in
-    V.authenticator ()
+  let authenticator = Ca_certs_nss.authenticator ()
 
   let connect ctx =
     let k0 happy_eyeballs http_scheme http_hostname http_port =
diff --git a/src/http_mirage_client.mli b/src/http_mirage_client.mli
index 165f2cd..f56bd1c 100644
--- a/src/http_mirage_client.mli
+++ b/src/http_mirage_client.mli
@@ -7,7 +7,6 @@ module type S = sig
 end
 
 module Make
-    (Pclock : Mirage_clock.PCLOCK)
     (TCP : Tcpip.Tcp.S)
     (Happy_eyeballs : Mimic_happy_eyeballs.S with type flow = TCP.flow) : S
 
diff --git a/test/dune b/test/dune
index cba97d5..76e4114 100644
--- a/test/dune
+++ b/test/dune
@@ -1,8 +1,7 @@
 (executable
  (name test)
  (libraries fmt.tty logs.fmt http-mirage-client tcpip.stack-socket paf.mirage
-   mirage-clock-unix mirage-crypto-rng mirage-time-unix mimic-happy-eyeballs
-   alcotest-lwt))
+   mirage-crypto-rng mimic-happy-eyeballs alcotest-lwt))
 
 (rule
  (alias runtest)
diff --git a/test/test.ml b/test/test.ml
index 1453963..2a15ca0 100644
--- a/test/test.ml
+++ b/test/test.ml
@@ -17,12 +17,10 @@ let () = Logs.set_level ~all:true (Some Logs.Debug)
 (* Functoria *)
 
 module Happy_eyeballs =
-  Happy_eyeballs_mirage.Make (Time) (Mclock) (Tcpip_stack_socket.V4V6)
+  Happy_eyeballs_mirage.Make (Tcpip_stack_socket.V4V6)
 
 module DNS_client =
-  Dns_client_mirage.Make (Mirage_crypto_rng) (Time) (Mclock) (Pclock)
-    (Tcpip_stack_socket.V4V6)
-    (Happy_eyeballs)
+  Dns_client_mirage.Make (Tcpip_stack_socket.V4V6) (Happy_eyeballs)
 
 module Mimic_happy_eyeballs =
   Mimic_happy_eyeballs.Make (Tcpip_stack_socket.V4V6) (Happy_eyeballs)
@@ -31,8 +29,7 @@ module Mimic_happy_eyeballs =
 module HTTP_server = Paf_mirage.Make (Tcpip_stack_socket.V4V6.TCP)
 
 module HTTP_client =
-  Http_mirage_client.Make (Pclock) (Tcpip_stack_socket.V4V6.TCP)
-    (Mimic_happy_eyeballs)
+  Http_mirage_client.Make (Tcpip_stack_socket.V4V6.TCP) (Mimic_happy_eyeballs)
 
 let http_1_1_error_handler ?notify (ipaddr, port) ?request:_ error respond =
   let contents =