diff --git a/pkgs/development/tools/analysis/valgrind/default.nix b/pkgs/development/tools/analysis/valgrind/default.nix
index 3f2d2d38e757..c180de124d6b 100644
--- a/pkgs/development/tools/analysis/valgrind/default.nix
+++ b/pkgs/development/tools/analysis/valgrind/default.nix
@@ -6,9 +6,6 @@
   autoreconfHook,
   perl,
   gdb,
-  cctools,
-  xnu,
-  bootstrap_cmds,
   writeScript,
 }:
 
@@ -56,15 +53,10 @@ stdenv.mkDerivation rec {
 
   # GDB is needed to provide a sane default for `--db-command'.
   # Perl is needed for `callgrind_{annotate,control}'.
-  buildInputs =
-    [
-      gdb
-      perl
-    ]
-    ++ lib.optionals (stdenv.hostPlatform.isDarwin) [
-      bootstrap_cmds
-      xnu
-    ];
+  buildInputs = [
+    gdb
+    perl
+  ];
 
   # Perl is also a native build input.
   nativeBuildInputs = [
@@ -75,40 +67,11 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
   separateDebugInfo = stdenv.hostPlatform.isLinux;
 
-  preConfigure =
-    lib.optionalString stdenv.hostPlatform.isFreeBSD ''
-      substituteInPlace configure --replace-fail '`uname -r`' ${stdenv.cc.libc.version}-
-    ''
-    + lib.optionalString stdenv.hostPlatform.isDarwin (
-      let
-        OSRELEASE = ''
-          $(awk -F '"' '/#define OSRELEASE/{ print $2 }' \
-          <${xnu}/Library/Frameworks/Kernel.framework/Headers/libkern/version.h)'';
-      in
-      ''
-        echo "Don't derive our xnu version using uname -r."
-        substituteInPlace configure --replace "uname -r" "echo ${OSRELEASE}"
+  preConfigure = lib.optionalString stdenv.hostPlatform.isFreeBSD ''
+    substituteInPlace configure --replace-fail '`uname -r`' ${stdenv.cc.libc.version}-
+  '';
 
-        # Apple's GCC doesn't recognize `-arch' (as of version 4.2.1, build 5666).
-        echo "getting rid of the \`-arch' GCC option..."
-        find -name Makefile\* -exec \
-          sed -i {} -e's/DARWIN\(.*\)-arch [^ ]\+/DARWIN\1/g' \;
-
-        sed -i coregrind/link_tool_exe_darwin.in \
-            -e 's/^my \$archstr = .*/my $archstr = "x86_64";/g'
-
-        substituteInPlace coregrind/m_debuginfo/readmacho.c \
-           --replace /usr/bin/dsymutil ${stdenv.cc.bintools.bintools}/bin/dsymutil
-
-        echo "substitute hardcoded /usr/bin/ld with ${cctools}/bin/ld"
-        substituteInPlace coregrind/link_tool_exe_darwin.in \
-          --replace /usr/bin/ld ${cctools}/bin/ld
-      ''
-    );
-
-  configureFlags =
-    lib.optional stdenv.hostPlatform.isx86_64 "--enable-only64bit"
-    ++ lib.optional stdenv.hostPlatform.isDarwin "--with-xcodedir=${xnu}/include";
+  configureFlags = lib.optional stdenv.hostPlatform.isx86_64 "--enable-only64bit";
 
   doCheck = true;
 
@@ -157,6 +120,10 @@ stdenv.mkDerivation rec {
         darwin ++ freebsd ++ illumos ++ linux
       );
     badPlatforms = [ lib.systems.inspect.platformPatterns.isStatic ];
-    broken = stdenv.hostPlatform.isDarwin; # https://hydra.nixos.org/build/128521440/nixlog/2
+    # See: <https://hydra.nixos.org/build/128521440/nixlog/2>
+    #
+    # Darwin‐specific derivation logic has been removed, check the
+    # history if you want to fix this.
+    broken = stdenv.hostPlatform.isDarwin;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 50eca52b28f5..94046eda17ad 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8175,9 +8175,7 @@ with pkgs;
     jdk = jdk11;
   };
 
-  valgrind = callPackage ../development/tools/analysis/valgrind {
-    inherit (buildPackages.darwin) xnu bootstrap_cmds;
-  };
+  valgrind = callPackage ../development/tools/analysis/valgrind { };
   valgrind-light = (res.valgrind.override { gdb = null; }).overrideAttrs (oldAttrs: {
     meta = oldAttrs.meta // {
       description = "${oldAttrs.meta.description} (without GDB)";