diff --git a/pkgs/development/ocaml-modules/mirage-net-xen/default.nix b/pkgs/development/ocaml-modules/mirage-net-xen/default.nix
index 0d7a7e53fb1a..49a00747cfa6 100644
--- a/pkgs/development/ocaml-modules/mirage-net-xen/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-net-xen/default.nix
@@ -17,8 +17,6 @@ buildDunePackage {
   inherit (netchannel)
     src
     version
-    useDune2
-    minimumOCamlVersion
     meta
     ;
 
diff --git a/pkgs/development/ocaml-modules/mirage-xen/default.nix b/pkgs/development/ocaml-modules/mirage-xen/default.nix
index 0d53d0f9c3b7..a2b84e8fb5e4 100644
--- a/pkgs/development/ocaml-modules/mirage-xen/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-xen/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildDunePackage
 , fetchurl
-, pkg-config
 , cstruct
 , lwt
 , shared-memory-ring-lwt
@@ -11,7 +10,6 @@
 , mirage-runtime
 , logs
 , fmt
-, ocaml-freestanding
 , bheap
 , duration
 , io-page
@@ -19,32 +17,14 @@
 
 buildDunePackage rec {
   pname = "mirage-xen";
-  version = "6.0.0";
-
-  useDune2 = true;
+  version = "7.2.0";
 
   src = fetchurl {
-    url = "https://github.com/mirage/mirage-xen/releases/download/v${version}/mirage-xen-v${version}.tbz";
-    sha256 = "f991e972059b27993c287ad010d9281fee061efaa1dd475d0955179f93710fbd";
+    url = "https://github.com/mirage/mirage-xen/releases/download/v${version}/mirage-xen-${version}.tbz";
+    sha256 = "sha256-5ZdzourQshHGtYPPdJtJLpH8P6ZLNbjQWy7TDxcY3OA=";
   };
 
-  patches = [
-    ./makefile-no-opam.patch
-    ./pkg-config.patch
-  ];
-
-  # can't handle OCAMLFIND_DESTDIR with substituteAll
-  postPatch = ''
-    substituteInPlace lib/bindings/mirage-xen.pc \
-      --replace "@out@" "$out" \
-      --replace "@OCAMLFIND_DESTDIR@" "$OCAMLFIND_DESTDIR"
-  '';
-
-  minimumOCamlVersion = "4.08";
-
-  nativeBuildInputs = [
-    pkg-config
-  ];
+  minimalOCamlVersion = "4.08";
 
   propagatedBuildInputs = [
     cstruct
@@ -59,16 +39,8 @@ buildDunePackage rec {
     fmt
     bheap
     duration
-    (ocaml-freestanding.override { target = "xen"; })
   ];
 
-  # Move pkg-config files into their well-known location.
-  # This saves us an extra setup hook and causes no issues
-  # since we patch all relative paths out of the .pc file.
-  postInstall = ''
-    mv $OCAMLFIND_DESTDIR/pkgconfig $out/lib/pkgconfig
-  '';
-
   meta = with lib; {
     description = "Xen core platform libraries for MirageOS";
     license = licenses.isc;
diff --git a/pkgs/development/ocaml-modules/mirage-xen/makefile-no-opam.patch b/pkgs/development/ocaml-modules/mirage-xen/makefile-no-opam.patch
deleted file mode 100644
index 905e6efc3f4a..000000000000
--- a/pkgs/development/ocaml-modules/mirage-xen/makefile-no-opam.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/lib/bindings/Makefile b/lib/bindings/Makefile
-index 4e413c0..67c7bdc 100644
---- a/lib/bindings/Makefile
-+++ b/lib/bindings/Makefile
-@@ -1,4 +1,6 @@
--PKG_CONFIG_PATH := $(shell opam config var prefix)/lib/pkgconfig
-+ifneq (, $(shell command -v opam))
-+	PKG_CONFIG_PATH ?= $(shell opam config var prefix)/lib/pkgconfig
-+endif
- 
- CC ?= cc
- FREESTANDING_CFLAGS := $(shell PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) pkg-config --cflags ocaml-freestanding)
diff --git a/pkgs/development/ocaml-modules/mirage-xen/pkg-config.patch b/pkgs/development/ocaml-modules/mirage-xen/pkg-config.patch
deleted file mode 100644
index 19205cf7ee4d..000000000000
--- a/pkgs/development/ocaml-modules/mirage-xen/pkg-config.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/lib/bindings/mirage-xen.pc b/lib/bindings/mirage-xen.pc
-index a03a217..8499aa4 100644
---- a/lib/bindings/mirage-xen.pc
-+++ b/lib/bindings/mirage-xen.pc
-@@ -1,6 +1,6 @@
--prefix=${pcfiledir}/../..
-+prefix=@out@
- exec_prefix=${prefix}
--libdir=${exec_prefix}/lib
-+libdir=@OCAMLFIND_DESTDIR@
- 
- Name: mirage-xen
- Version: 6.0.0
diff --git a/pkgs/development/ocaml-modules/netchannel/default.nix b/pkgs/development/ocaml-modules/netchannel/default.nix
index e7b021d6fbe9..61e5c70edd44 100644
--- a/pkgs/development/ocaml-modules/netchannel/default.nix
+++ b/pkgs/development/ocaml-modules/netchannel/default.nix
@@ -12,20 +12,20 @@
 , shared-memory-ring
 , sexplib
 , logs
-, rresult
+, macaddr
+, lwt-dllist
+, result
 }:
 
 buildDunePackage rec {
   pname = "netchannel";
-  version = "2.0.0";
+  version = "2.1.1";
 
-  useDune2 = true;
-
-  minimumOCamlVersion = "4.08";
+  minimalOCamlVersion = "4.08";
 
   src = fetchurl {
-    url = "https://github.com/mirage/mirage-net-xen/releases/download/v${version}/mirage-net-xen-v${version}.tbz";
-    sha256 = "ec3906ef1804ef6a9e36b91f4ae73ce4849e9e0d1d36a80fe66b5f905fab93ad";
+    url = "https://github.com/mirage/mirage-net-xen/releases/download/v${version}/mirage-net-xen-${version}.tbz";
+    sha256 = "sha256-kYsAf6ntwWKUp26dMcp5BScdUOaGpM46050jVZe6gfs=";
   };
 
   nativeBuildInputs = [
@@ -43,7 +43,9 @@ buildDunePackage rec {
     shared-memory-ring
     sexplib
     logs
-    rresult
+    macaddr
+    lwt-dllist
+    result
   ];
 
   meta = with lib; {