diff --git a/pkgs/development/ocaml-modules/benchmark/default.nix b/pkgs/development/ocaml-modules/benchmark/default.nix
index c80162307241..f2a98516c757 100644
--- a/pkgs/development/ocaml-modules/benchmark/default.nix
+++ b/pkgs/development/ocaml-modules/benchmark/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = "http://ocaml-benchmark.forge.ocamlcore.org/";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     description = "Benchmark running times of code";
     license = lib.licenses.lgpl21;
     maintainers = with lib.maintainers; [ volth ];
diff --git a/pkgs/development/ocaml-modules/camlzip/default.nix b/pkgs/development/ocaml-modules/camlzip/default.nix
index 8124b8d8e437..caf3e7a63f0d 100644
--- a/pkgs/development/ocaml-modules/camlzip/default.nix
+++ b/pkgs/development/ocaml-modules/camlzip/default.nix
@@ -64,7 +64,7 @@ stdenv.mkDerivation {
       for reading from and writing to compressed files in these formats.
     '';
     license = "LGPL+linking exceptions";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = with maintainers; [ maggesi ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/camomile/0.8.2.nix b/pkgs/development/ocaml-modules/camomile/0.8.2.nix
index 43bbfe7b6a6d..502e517b2a9d 100644
--- a/pkgs/development/ocaml-modules/camomile/0.8.2.nix
+++ b/pkgs/development/ocaml-modules/camomile/0.8.2.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     description = "A comprehensive Unicode library for OCaml";
     license = lib.licenses.lgpl21;
     branch = "0.8.2";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
     ];
diff --git a/pkgs/development/ocaml-modules/camomile/0.8.5.nix b/pkgs/development/ocaml-modules/camomile/0.8.5.nix
index e63953836982..7726a95cece6 100644
--- a/pkgs/development/ocaml-modules/camomile/0.8.5.nix
+++ b/pkgs/development/ocaml-modules/camomile/0.8.5.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
     homepage = "https://github.com/yoriyuki/Camomile/tree/master/Camomile";
     description = "A comprehensive Unicode library for OCaml";
     license = lib.licenses.lgpl21;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
     ];
diff --git a/pkgs/development/ocaml-modules/cmdliner/default.nix b/pkgs/development/ocaml-modules/cmdliner/default.nix
index 779705561009..ed96b1b61553 100644
--- a/pkgs/development/ocaml-modules/cmdliner/default.nix
+++ b/pkgs/development/ocaml-modules/cmdliner/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
     homepage = "https://erratique.ch/software/cmdliner";
     description = "An OCaml module for the declarative definition of command line interfaces";
     license = licenses.bsd3;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [ maintainers.vbgl ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/cpdf/default.nix b/pkgs/development/ocaml-modules/cpdf/default.nix
index b1694885258a..360848881a9e 100644
--- a/pkgs/development/ocaml-modules/cpdf/default.nix
+++ b/pkgs/development/ocaml-modules/cpdf/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     homepage = "https://www.coherentpdf.com/";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     description = "PDF Command Line Tools";
     license = licenses.unfree;
     maintainers = [ maintainers.vbgl ];
diff --git a/pkgs/development/ocaml-modules/cryptgps/default.nix b/pkgs/development/ocaml-modules/cryptgps/default.nix
index aeaa87aaf75f..60f64c340543 100644
--- a/pkgs/development/ocaml-modules/cryptgps/default.nix
+++ b/pkgs/development/ocaml-modules/cryptgps/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
       itself.
     '';
     license = lib.licenses.mit;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
     ];
diff --git a/pkgs/development/ocaml-modules/curses/default.nix b/pkgs/development/ocaml-modules/curses/default.nix
index 824f24ab9550..b9006012ae51 100644
--- a/pkgs/development/ocaml-modules/curses/default.nix
+++ b/pkgs/development/ocaml-modules/curses/default.nix
@@ -32,6 +32,6 @@ stdenv.mkDerivation rec {
     license = licenses.lgpl21Plus;
     changelog = "https://github.com/mbacarella/curses/raw/${version}/CHANGES";
     maintainers = [ maintainers.volth ];
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/dypgen/default.nix b/pkgs/development/ocaml-modules/dypgen/default.nix
index 64017bd65fe2..f504e3d7ca46 100644
--- a/pkgs/development/ocaml-modules/dypgen/default.nix
+++ b/pkgs/development/ocaml-modules/dypgen/default.nix
@@ -33,6 +33,6 @@ stdenv.mkDerivation rec {
     homepage = "http://dypgen.free.fr";
     description = "Dypgen GLR self extensible parser generator";
     license = lib.licenses.cecill-b;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/extlib/default.nix b/pkgs/development/ocaml-modules/extlib/default.nix
index 7f50548f4b87..7baee7a6032a 100644
--- a/pkgs/development/ocaml-modules/extlib/default.nix
+++ b/pkgs/development/ocaml-modules/extlib/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/ygrek/ocaml-extlib";
     description = "Enhancements to the OCaml Standard Library modules";
     license = lib.licenses.lgpl21Only;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [ lib.maintainers.sternenseemann ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/functory/default.nix b/pkgs/development/ocaml-modules/functory/default.nix
index a05472366a21..3c56aaf0a0ad 100644
--- a/pkgs/development/ocaml-modules/functory/default.nix
+++ b/pkgs/development/ocaml-modules/functory/default.nix
@@ -34,6 +34,6 @@ stdenv.mkDerivation {
     description = "A distributed computing library for Objective Caml which facilitates distributed execution of parallelizable computations in a seamless fashion";
     license = licenses.lgpl21;
     maintainers = [ maintainers.vbgl ];
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/jsonm/default.nix b/pkgs/development/ocaml-modules/jsonm/default.nix
index d29b19b3b400..f90a252264ff 100644
--- a/pkgs/development/ocaml-modules/jsonm/default.nix
+++ b/pkgs/development/ocaml-modules/jsonm/default.nix
@@ -23,6 +23,6 @@ stdenv.mkDerivation rec {
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ vbgl ];
     mainProgram = "jsontrip";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix b/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
index f37c3b5c6f9a..47f48c89be79 100644
--- a/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
+++ b/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation (rec {
 
   meta = {
     branch = "2.14";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
       lib.maintainers.roconnor
diff --git a/pkgs/development/ocaml-modules/lablgtk/default.nix b/pkgs/development/ocaml-modules/lablgtk/default.nix
index 36ade6979c3e..7eb94bc188aa 100644
--- a/pkgs/development/ocaml-modules/lablgtk/default.nix
+++ b/pkgs/development/ocaml-modules/lablgtk/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation {
   dontStrip = true;
 
   meta = with lib; {
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = with maintainers; [
       maggesi roconnor vbgl
     ];
diff --git a/pkgs/development/ocaml-modules/llvm/default.nix b/pkgs/development/ocaml-modules/llvm/default.nix
index c0600df64f27..93824894455c 100644
--- a/pkgs/development/ocaml-modules/llvm/default.nix
+++ b/pkgs/development/ocaml-modules/llvm/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation {
 
   meta = {
     inherit (libllvm.meta) license homepage;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     description = "OCaml bindings distributed with LLVM";
     maintainers = with lib.maintainers; [ vbgl ];
   };
diff --git a/pkgs/development/ocaml-modules/ocaml-cairo/default.nix b/pkgs/development/ocaml-modules/ocaml-cairo/default.nix
index 6748619d4928..f0e70699ad88 100644
--- a/pkgs/development/ocaml-modules/ocaml-cairo/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-cairo/default.nix
@@ -43,6 +43,6 @@ stdenv.mkDerivation rec {
     homepage = "http://cairographics.org/cairo-ocaml";
     description = "ocaml bindings for cairo library";
     license = lib.licenses.gpl2;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/ocaml-libvirt/default.nix b/pkgs/development/ocaml-modules/ocaml-libvirt/default.nix
index f2336cf88bbb..f4a9e55cc127 100644
--- a/pkgs/development/ocaml-modules/ocaml-libvirt/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-libvirt/default.nix
@@ -32,6 +32,6 @@ stdenv.mkDerivation rec {
     homepage = "https://libvirt.org/ocaml/";
     license = licenses.gpl2;
     maintainers = [ maintainers.volth ];
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/ocamlnat/default.nix b/pkgs/development/ocaml-modules/ocamlnat/default.nix
index 66bd00707add..0be4e7806630 100644
--- a/pkgs/development/ocaml-modules/ocamlnat/default.nix
+++ b/pkgs/development/ocaml-modules/ocamlnat/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
       x86 or x86-64 processors. Support for additional architectures and
       operating systems is planned, but not yet available.
     '';
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
     ];
diff --git a/pkgs/development/ocaml-modules/ocamlnet/default.nix b/pkgs/development/ocaml-modules/ocamlnet/default.nix
index d435d7a04842..22cd84da1f86 100644
--- a/pkgs/development/ocaml-modules/ocamlnet/default.nix
+++ b/pkgs/development/ocaml-modules/ocamlnet/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     homepage = "http://projects.camlcity.org/projects/ocamlnet.html";
     description = "A library implementing Internet protocols (http, cgi, email, etc.) for OCaml";
     license = "Most Ocamlnet modules are released under the zlib/png license. The HTTP server module Nethttpd is, however, under the GPL.";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [
       lib.maintainers.maggesi
     ];
diff --git a/pkgs/development/ocaml-modules/ocsigen-server/default.nix b/pkgs/development/ocaml-modules/ocsigen-server/default.nix
index daa64b7e3019..704354202d10 100644
--- a/pkgs/development/ocaml-modules/ocsigen-server/default.nix
+++ b/pkgs/development/ocaml-modules/ocsigen-server/default.nix
@@ -67,7 +67,7 @@ buildDunePackage rec {
       A full featured Web server. It implements most features of the HTTP protocol, and has a very powerful extension mechanism that make very easy to plug your own OCaml modules for generating pages.
       '';
     license = lib.licenses.lgpl21Only;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [ lib.maintainers.gal_bolle ];
   };
 
diff --git a/pkgs/development/ocaml-modules/otfm/default.nix b/pkgs/development/ocaml-modules/otfm/default.nix
index 91d91bdc46fe..f67174587915 100644
--- a/pkgs/development/ocaml-modules/otfm/default.nix
+++ b/pkgs/development/ocaml-modules/otfm/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
       of them.
     '';
     homepage = webpage;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     license = licenses.bsd3;
     maintainers = [ maintainers.jirkamarsik ];
   };
diff --git a/pkgs/development/ocaml-modules/rope/default.nix b/pkgs/development/ocaml-modules/rope/default.nix
index 9ac090a780e9..483aefef12d4 100644
--- a/pkgs/development/ocaml-modules/rope/default.nix
+++ b/pkgs/development/ocaml-modules/rope/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation ({
 
   meta = {
     homepage = "http://rope.forge.ocamlcore.org/";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     description = ''Ropes ("heavyweight strings") in OCaml'';
     license = lib.licenses.lgpl21;
     maintainers = with lib.maintainers; [ volth ];
diff --git a/pkgs/development/ocaml-modules/sawja/default.nix b/pkgs/development/ocaml-modules/sawja/default.nix
index eaad7e7f1bbf..78d28270035a 100644
--- a/pkgs/development/ocaml-modules/sawja/default.nix
+++ b/pkgs/development/ocaml-modules/sawja/default.nix
@@ -44,6 +44,6 @@ stdenv.mkDerivation {
     homepage = "http://sawja.inria.fr/";
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.vbgl ];
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/sodium/default.nix b/pkgs/development/ocaml-modules/sodium/default.nix
index 040a34ef6f1d..74983fef3e77 100644
--- a/pkgs/development/ocaml-modules/sodium/default.nix
+++ b/pkgs/development/ocaml-modules/sodium/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://github.com/dsheets/ocaml-sodium";
     description = "Binding to libsodium 1.0.9+";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [ maintainers.rixed ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/syslog/default.nix b/pkgs/development/ocaml-modules/syslog/default.nix
index 9614c404c5b9..ccec03296384 100644
--- a/pkgs/development/ocaml-modules/syslog/default.nix
+++ b/pkgs/development/ocaml-modules/syslog/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/rixed/ocaml-syslog";
     description = "Simple wrapper to access the system logger from OCaml";
     license = licenses.lgpl21Plus;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [ maintainers.rixed ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/tsdl/default.nix b/pkgs/development/ocaml-modules/tsdl/default.nix
index 3a1990326df9..44cc2076fbb4 100644
--- a/pkgs/development/ocaml-modules/tsdl/default.nix
+++ b/pkgs/development/ocaml-modules/tsdl/default.nix
@@ -37,6 +37,6 @@ stdenv.mkDerivation {
     homepage = webpage;
     description = "Thin bindings to the cross-platform SDL library";
     license = licenses.isc;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/ulex/default.nix b/pkgs/development/ocaml-modules/ulex/default.nix
index d08f2c4c0ae3..b871bc403ed8 100644
--- a/pkgs/development/ocaml-modules/ulex/default.nix
+++ b/pkgs/development/ocaml-modules/ulex/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     inherit (src.meta) homepage;
     description = "A lexer generator for Unicode and OCaml";
     license = lib.licenses.mit;
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
     maintainers = [ lib.maintainers.roconnor ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/uuidm/default.nix b/pkgs/development/ocaml-modules/uuidm/default.nix
index 7df1c588dd35..5e6d71c19ef8 100644
--- a/pkgs/development/ocaml-modules/uuidm/default.nix
+++ b/pkgs/development/ocaml-modules/uuidm/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation rec {
     license = licenses.bsd3;
     maintainers = [ maintainers.maurer ];
     mainProgram = "uuidtrip";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }
diff --git a/pkgs/development/ocaml-modules/xmlm/default.nix b/pkgs/development/ocaml-modules/xmlm/default.nix
index 34878cb30bbb..9396dd7b9144 100644
--- a/pkgs/development/ocaml-modules/xmlm/default.nix
+++ b/pkgs/development/ocaml-modules/xmlm/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation rec {
     license = licenses.bsd3;
     maintainers = [ maintainers.vbgl ];
     mainProgram = "xmltrip";
-    platforms = ocaml.meta.platforms or [];
+    inherit (ocaml.meta) platforms;
   };
 }