diff --git a/pkgs/development/tools/build-managers/cmake/2.8.nix b/pkgs/development/tools/build-managers/cmake/2.8.nix
index c87fe1cc5ace..5fcd6b341653 100644
--- a/pkgs/development/tools/build-managers/cmake/2.8.nix
+++ b/pkgs/development/tools/build-managers/cmake/2.8.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, fetchpatch, replace, curl, expat, zlib, bzip2
-, useNcurses ? false, ncurses, useQt4 ? false, qt4
+, useNcurses ? false, ncurses, useQt4 ? false, qt4, ps
 , buildPlatform, hostPlatform
 }:
 
diff --git a/pkgs/development/tools/misc/creduce/default.nix b/pkgs/development/tools/misc/creduce/default.nix
index 37ec63627b15..cbf5883b2973 100644
--- a/pkgs/development/tools/misc/creduce/default.nix
+++ b/pkgs/development/tools/misc/creduce/default.nix
@@ -6,8 +6,6 @@
 , utillinux
 }:
 
-assert stdenv.isLinux -> (utillinux != null);
-
 stdenv.mkDerivation rec {
   name = "creduce-${version}";
   version = "2.7.0";
diff --git a/pkgs/development/tools/misc/csmith/default.nix b/pkgs/development/tools/misc/csmith/default.nix
index 9a8c24fa1685..c4994ad24d79 100644
--- a/pkgs/development/tools/misc/csmith/default.nix
+++ b/pkgs/development/tools/misc/csmith/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ m4 makeWrapper ];
-  buildInputs = [ libbsd perl SysCPU ];
+  buildInputs = [ perl SysCPU libbsd ];
 
   postInstall = ''
     substituteInPlace $out/bin/compiler_test.pl \
diff --git a/pkgs/servers/apcupsd/default.nix b/pkgs/servers/apcupsd/default.nix
index 04285621e5c9..bec61d460a7a 100644
--- a/pkgs/servers/apcupsd/default.nix
+++ b/pkgs/servers/apcupsd/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   # There is no real reason for a bin/sbin split, so just use bin.
   preConfigure = ''
     export ac_cv_path_SHUTDOWN=${systemd}/sbin/shutdown
-    export ac_cv_path_WALL=${utillinux}/bin/wall
+    export ac_cv_path_WALL=${wall}/bin/wall
     sed -i 's|/bin/cat|${coreutils}/bin/cat|' configure
     export configureFlags="\
         --bindir=$out/bin \
diff --git a/pkgs/servers/interlock/default.nix b/pkgs/servers/interlock/default.nix
index a0b59d332a3f..0df055f9690f 100644
--- a/pkgs/servers/interlock/default.nix
+++ b/pkgs/servers/interlock/default.nix
@@ -1,5 +1,6 @@
-{ stdenv, lib, sudo, utillinux, coreutils, systemd, cryptsetup,
-  buildGoPackage, fetchFromGitHub }:
+{ stdenv, lib, sudo, coreutils, systemd, cryptsetup
+, mount, umount
+, buildGoPackage, fetchFromGitHub }:
 
 buildGoPackage rec {
   name = "interlock-${version}";
@@ -23,8 +24,8 @@ buildGoPackage rec {
   buildFlags = [ "-tags textsecure" ];
   postPatch = ''
     grep -lr '/s\?bin/' | xargs sed -i \
-      -e 's|/bin/mount|${utillinux}/bin/mount|' \
-      -e 's|/bin/umount|${utillinux}/bin/umount|' \
+      -e 's|/bin/mount|${mount}/bin/mount|' \
+      -e 's|/bin/umount|${umount}/bin/umount|' \
       -e 's|/bin/cp|${coreutils}/bin/cp|' \
       -e 's|/bin/mv|${coreutils}/bin/mv|' \
       -e 's|/bin/chown|${coreutils}/bin/chown|' \
diff --git a/pkgs/servers/search/elasticsearch/2.x.nix b/pkgs/servers/search/elasticsearch/2.x.nix
index 30beec7b873d..28244d1b3dcd 100644
--- a/pkgs/servers/search/elasticsearch/2.x.nix
+++ b/pkgs/servers/search/elasticsearch/2.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, jre, utillinux, getopt }:
+{ stdenv, fetchurl, makeWrapper, jre, utillinux }:
 
 with stdenv.lib;
 
@@ -13,8 +13,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./es-home-2.x.patch ./es-classpath-2.x.patch ];
 
-  buildInputs = [ makeWrapper jre ] ++
-    (if (!stdenv.isDarwin) then [utillinux] else [getopt]);
+  buildInputs = [ makeWrapper jre utillinux ];
 
   installPhase = ''
     mkdir -p $out
@@ -24,9 +23,7 @@ stdenv.mkDerivation rec {
     mv $out/bin/plugin $out/bin/elasticsearch-plugin
     wrapProgram $out/bin/elasticsearch \
       --prefix ES_CLASSPATH : "$out/lib/${name}.jar":"$out/lib/*" \
-      ${if (!stdenv.isDarwin)
-        then ''--prefix PATH : "${utillinux}/bin/"''
-        else ''--prefix PATH : "${getopt}/bin"''} \
+      --prefix PATH : "${utillinux}/bin" \
       --set JAVA_HOME "${jre}"
     wrapProgram $out/bin/elasticsearch-plugin --set JAVA_HOME "${jre}"
   '';
diff --git a/pkgs/servers/search/elasticsearch/5.x.nix b/pkgs/servers/search/elasticsearch/5.x.nix
index 0d27e4fefcc8..f46ca9c0cb3f 100644
--- a/pkgs/servers/search/elasticsearch/5.x.nix
+++ b/pkgs/servers/search/elasticsearch/5.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, elk5Version, makeWrapper, jre_headless, utillinux, getopt }:
+{ stdenv, fetchurl, elk5Version, makeWrapper, jre_headless, utillinux }:
 
 with stdenv.lib;
 
@@ -13,8 +13,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./es-home-5.x.patch ./es-classpath-5.x.patch ];
 
-  buildInputs = [ makeWrapper jre_headless ] ++
-    (if (!stdenv.isDarwin) then [utillinux] else [getopt]);
+  buildInputs = [ makeWrapper jre_headless utillinux ];
 
   installPhase = ''
     mkdir -p $out
@@ -24,9 +23,7 @@ stdenv.mkDerivation rec {
 
     wrapProgram $out/bin/elasticsearch \
       --prefix ES_CLASSPATH : "$out/lib/*" \
-      ${if (!stdenv.isDarwin)
-        then ''--prefix PATH : "${utillinux}/bin/"''
-        else ''--prefix PATH : "${getopt}/bin"''} \
+      --prefix PATH : "${utillinux}/bin" \
       --set JAVA_HOME "${jre_headless}" \
       --set ES_JVM_OPTIONS "$out/config/jvm.options"
 
diff --git a/pkgs/servers/search/elasticsearch/6.x.nix b/pkgs/servers/search/elasticsearch/6.x.nix
index 6057c2dee82c..5594fe35b737 100644
--- a/pkgs/servers/search/elasticsearch/6.x.nix
+++ b/pkgs/servers/search/elasticsearch/6.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, elk6Version, makeWrapper, jre_headless, utillinux, getopt }:
+{ stdenv, fetchurl, elk6Version, makeWrapper, jre_headless, utillinux }:
 
 with stdenv.lib;
 
@@ -17,8 +17,7 @@ stdenv.mkDerivation rec {
     sed -i "s|ES_CLASSPATH=\"\$ES_HOME/lib/\*\"|ES_CLASSPATH=\"$out/lib/*\"|" ./bin/elasticsearch-env
   '';
 
-  buildInputs = [ makeWrapper jre_headless ] ++
-    (if (!stdenv.isDarwin) then [utillinux] else [getopt]);
+  buildInputs = [ makeWrapper jre_headless utillinux ];
 
   installPhase = ''
     mkdir -p $out
@@ -27,9 +26,7 @@ stdenv.mkDerivation rec {
     chmod -x $out/bin/*.*
 
     wrapProgram $out/bin/elasticsearch \
-      ${if (!stdenv.isDarwin)
-        then ''--prefix PATH : "${utillinux}/bin/"''
-        else ''--prefix PATH : "${getopt}/bin"''} \
+      --prefix PATH : "${utillinux}/bin/" \
       --set JAVA_HOME "${jre_headless}" \
       --set ES_JVM_OPTIONS "$out/config/jvm.options"
 
diff --git a/pkgs/servers/search/elasticsearch/default.nix b/pkgs/servers/search/elasticsearch/default.nix
index 16f010302902..f4780603f502 100644
--- a/pkgs/servers/search/elasticsearch/default.nix
+++ b/pkgs/servers/search/elasticsearch/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, jre, utillinux, getopt }:
+{ stdenv, fetchurl, makeWrapper, jre, utillinux }:
 
 with stdenv.lib;
 
@@ -12,8 +12,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./es-home.patch ];
 
-  buildInputs = [ makeWrapper jre ] ++
-    (if (!stdenv.isDarwin) then [utillinux] else [getopt]);
+  buildInputs = [ makeWrapper jre utillinux ];
 
   installPhase = ''
     mkdir -p $out
@@ -25,9 +24,7 @@ stdenv.mkDerivation rec {
     # set ES_CLASSPATH and JAVA_HOME
     wrapProgram $out/bin/elasticsearch \
       --prefix ES_CLASSPATH : "$out/lib/${name}.jar":"$out/lib/*":"$out/lib/sigar/*" \
-      ${if (!stdenv.isDarwin)
-        then ''--prefix PATH : "${utillinux}/bin/"''
-        else ''--prefix PATH : "${getopt}/bin"''} \
+      --prefix PATH : "${utillinux}/bin" \
       --set JAVA_HOME "${jre}"
     wrapProgram $out/bin/elasticsearch-plugin \
       --prefix ES_CLASSPATH : "$out/lib/${name}.jar":"$out/lib/*":"$out/lib/sigar/*" \
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 961b6cdfe171..a3f388da1ee7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7656,9 +7656,6 @@ with pkgs;
 
   csmith = callPackage ../development/tools/misc/csmith {
     inherit (perlPackages) perl SysCPU;
-    # Workaround optional dependency on libbsd that's
-    # currently broken on Darwin.
-    libbsd = if stdenv.isDarwin then null else libbsd;
   };
 
   csslint = callPackage ../development/web/csslint { };
diff --git a/pkgs/top-level/unix-tools.nix b/pkgs/top-level/unix-tools.nix
index ab807290b7c1..2e2cc3cea880 100644
--- a/pkgs/top-level/unix-tools.nix
+++ b/pkgs/top-level/unix-tools.nix
@@ -45,7 +45,7 @@ in rec {
   };
   getopt = singleBinary "getopt" {
     linux = pkgs.utillinux;
-    darwin = pkgs.darwin.shell_cmds;
+    darwin = pkgs.getopt;
   };
   hexdump = singleBinary "hexdump" {
     linux = pkgs.procps;
@@ -67,7 +67,7 @@ in rec {
   };
   more = singleBinary "more" {
     linux = pkgs.utillinux;
-    darwin = pkgs.more_compat;
+    darwin = more_compat;
   };
   mount = singleBinary "mount" {
     linux = pkgs.utillinux;