diff --git a/pkgs/applications/editors/rehex/default.nix b/pkgs/applications/editors/rehex/default.nix
index f6f1bf2b28b1f..e971360b64e36 100644
--- a/pkgs/applications/editors/rehex/default.nix
+++ b/pkgs/applications/editors/rehex/default.nix
@@ -13,9 +13,7 @@
 , lua53Packages
 , perlPackages
 , gtk3
-, Carbon
-, Cocoa
-, IOKit
+, apple-sdk_11
 }:
 
 stdenv.mkDerivation rec {
@@ -36,7 +34,7 @@ stdenv.mkDerivation rec {
     ++ (with lua53Packages; [ lua busted ])
     ++ (with perlPackages; [ perl TemplateToolkit ])
     ++ lib.optionals stdenv.hostPlatform.isLinux [ gtk3 ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [ Carbon Cocoa IOKit ];
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [ apple-sdk_11 ];
 
   makeFlags = [
     "prefix=${placeholder "out"}"
@@ -44,6 +42,10 @@ stdenv.mkDerivation rec {
     "CXXSTD=-std=c++20"
   ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ "-f Makefile.osx" ];
 
+  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    NIX_LDFLAGS = "-liconv";
+  };
+
   enableParallelBuilding = true;
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/libticonv/default.nix b/pkgs/development/libraries/libticonv/default.nix
index 0c075406dee2c..9bc5528257f83 100644
--- a/pkgs/development/libraries/libticonv/default.nix
+++ b/pkgs/development/libraries/libticonv/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [
     "--enable-iconv"
-  ];
+  ] ++ lib.optional stdenv.hostPlatform.isDarwin "LDFLAGS=-liconv";
 
   meta = with lib; {
     changelog = "http://lpg.ticalc.org/prj_tilp/news.html";
diff --git a/pkgs/development/libraries/opencl-headers/default.nix b/pkgs/development/libraries/opencl-headers/default.nix
index b13dc2bb8dd71..90dc1883eb9da 100644
--- a/pkgs/development/libraries/opencl-headers/default.nix
+++ b/pkgs/development/libraries/opencl-headers/default.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "opencl-headers";
-  version = "2023.12.14";
+  version = "2024.05.08";
 
   src = fetchFromGitHub {
     owner = "KhronosGroup";
     repo = "OpenCL-Headers";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-wF9KQjzYKJf6ulXRy80o53bp6lTtm8q1NubKbcH+RY0=";
+    sha256 = "sha256-FXDZa5umNilFPls3g/2aNqJvJOJX2JYfY08/Lfm1H1Q=";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/tools/networking/ripmime/default.nix b/pkgs/tools/networking/ripmime/default.nix
index 70ff2cbe7305b..f1bcc58f4dcd5 100644
--- a/pkgs/tools/networking/ripmime/default.nix
+++ b/pkgs/tools/networking/ripmime/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, libiconv }:
+{ lib, stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   pname = "ripmime";
@@ -8,13 +8,16 @@ stdenv.mkDerivation rec {
     sha256 = "0sj06ibmlzy34n8v0mnlq2gwidy7n2aqcwgjh0xssz3vi941aqc9";
   };
 
-  buildInputs = [ libiconv ];
   preInstall = ''
     sed -i Makefile -e "s@LOCATION=.*@LOCATION=$out@" -e "s@man/man1@share/&@"
     mkdir -p "$out/bin" "$out/share/man/man1"
   '';
 
-  env.NIX_CFLAGS_COMPILE = " -Wno-error ";
+  env = {
+    NIX_CFLAGS_COMPILE = " -Wno-error ";
+  } // lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    NIX_LDFLAGS = "-liconv";
+  };
 
   meta = with lib; {
     description = "Attachment extractor for MIME messages";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bc375a5af414b..23c4c70043577 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11485,9 +11485,7 @@ with pkgs;
 
   remarshal = with python3Packages; toPythonApplication remarshal;
 
-  rehex = darwin.apple_sdk_11_0.callPackage ../applications/editors/rehex {
-    inherit (darwin.apple_sdk_11_0.frameworks) Carbon Cocoa IOKit;
-  };
+  rehex = callPackage ../applications/editors/rehex { };
 
   rio = callPackage ../applications/terminal-emulators/rio { };