diff --git a/pkgs/applications/graphics/shotwell/default.nix b/pkgs/applications/graphics/shotwell/default.nix
index 2b25f8d41f6b..052ba9402bed 100644
--- a/pkgs/applications/graphics/shotwell/default.nix
+++ b/pkgs/applications/graphics/shotwell/default.nix
@@ -1,7 +1,7 @@
 { fetchurl, stdenv, m4, glibc, gtk3, libexif, libgphoto2, libsoup, libxml2, vala, sqlite
 , webkitgtk24x, pkgconfig, gnome3, gst_all_1, which, udev, libraw, glib, json_glib
 , gettext, desktop_file_utils, lcms2, gdk_pixbuf, librsvg, makeWrapper
-, gnome_doc_utils, hicolor_icon_theme, cacert }:
+, gnome_doc_utils, hicolor_icon_theme }:
 
 # for dependencies see http://www.yorba.org/projects/shotwell/install/
 
@@ -15,9 +15,9 @@ stdenv.mkDerivation rec {
   };
 
   NIX_CFLAGS_COMPILE = "-I${glib}/include/glib-2.0 -I${glib}/lib/glib-2.0/include";
-  
+
   configureFlags = [ "--disable-gsettings-convert-install" ];
-  
+
   preConfigure = ''
     patchShebangs .
   '';
diff --git a/pkgs/applications/networking/browsers/vimb/default.nix b/pkgs/applications/networking/browsers/vimb/default.nix
index 3222e87ac650..84a2870b6d0a 100644
--- a/pkgs/applications/networking/browsers/vimb/default.nix
+++ b/pkgs/applications/networking/browsers/vimb/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, libsoup, webkit, gtk, glib_networking
-, gsettings_desktop_schemas, makeWrapper, cacert
+, gsettings_desktop_schemas, makeWrapper
 }:
 
 stdenv.mkDerivation rec {
@@ -11,11 +11,6 @@ stdenv.mkDerivation rec {
     sha256 = "0h9m5qfs09lb0dz8a79yccmm3a5rv6z8gi5pkyfh8fqkgkh2940p";
   };
 
-  # Nixos default ca bundle
-  patchPhase = ''
-    sed -i s,/etc/ssl/certs/ca-certificates.crt,${cacert}/etc/ssl/certs/ca-bundle.crt, src/config.def.h
-  '';
-
   buildInputs = [ makeWrapper gtk libsoup pkgconfig webkit gsettings_desktop_schemas ];
 
   makeFlags = [ "PREFIX=$(out)" ];
diff --git a/pkgs/applications/networking/browsers/vimprobable2/default.nix b/pkgs/applications/networking/browsers/vimprobable2/default.nix
index ad5f8aa46912..6f8eede9b3f8 100644
--- a/pkgs/applications/networking/browsers/vimprobable2/default.nix
+++ b/pkgs/applications/networking/browsers/vimprobable2/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, makeWrapper, glib, glib_networking, gtk, libsoup, libX11, perl,
-  pkgconfig, webkit, gsettings_desktop_schemas, cacert }:
+  pkgconfig, webkit, gsettings_desktop_schemas }:
 
 stdenv.mkDerivation rec {
   version = "1.4.2";
@@ -9,11 +9,6 @@ stdenv.mkDerivation rec {
     sha256 = "13jdximksh9r3cgd2f8vms0pbsn3x0gxvyqdqiw16xp5fmdx5kzr";
   };
 
-  # Nixos default ca bundle
-  patchPhase = ''
-    sed -i s,/etc/ssl/certs/ca-certificates.crt,${cacert}/etc/ssl/certs/ca-bundle.crt, config.h
-  '';
-
   buildInputs = [ makeWrapper gtk libsoup libX11 perl pkgconfig webkit gsettings_desktop_schemas ];
 
   installPhase = ''
diff --git a/pkgs/applications/networking/cluster/panamax/api/default.nix b/pkgs/applications/networking/cluster/panamax/api/default.nix
index 524433b45fbc..dcfef83f1bec 100644
--- a/pkgs/applications/networking/cluster/panamax/api/default.nix
+++ b/pkgs/applications/networking/cluster/panamax/api/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildEnv, fetchgit, fetchurl, makeWrapper, bundlerEnv, bundler_HEAD
-, ruby, libxslt, libxml2, sqlite, openssl, cacert, docker
+, ruby, libxslt, libxml2, sqlite, openssl, docker
 , dataDir ? "/var/lib/panamax-api" }:
 
 with stdenv.lib;
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
       --prefix "PATH" : "$out/share/panamax-api/bin:${env.ruby}/bin:$PATH" \
       --prefix "HOME" : "$out/share/panamax-api" \
       --prefix "GEM_HOME" : "${env}/${env.ruby.gemPath}" \
-      --prefix "SSL_CERT_FILE" : "${cacert}/etc/ssl/certs/ca-bundle.crt" \
+      --prefix "SSL_CERT_FILE" : /etc/ssl/certs/ca-certificates.crt \
       --prefix "GEM_PATH" : "$out/share/panamax-api:${bundler}/${env.ruby.gemPath}"
   '';
 
diff --git a/pkgs/applications/networking/instant-messengers/fuze/default.nix b/pkgs/applications/networking/instant-messengers/fuze/default.nix
index 6b85e107d06c..33ffe87a4ffb 100644
--- a/pkgs/applications/networking/instant-messengers/fuze/default.nix
+++ b/pkgs/applications/networking/instant-messengers/fuze/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, dpkg, openssl, alsaLib, libXext, libXfixes, libXrandr
 , libjpeg, curl, libX11, libXmu, libXv, libXtst, qt4, mesa, zlib
-, gnome, libidn, rtmpdump, c-ares, openldap, makeWrapper, cacert
+, gnome, libidn, rtmpdump, c-ares, openldap, makeWrapper
 }:
 assert stdenv.system == "x86_64-linux";
 let
   curl_custom =
     stdenv.lib.overrideDerivation curl (args: { 
-      configureFlags = args.configureFlags ++ ["--with-ca-bundle=${cacert}/etc/ssl/certs/ca-bundle.crt"] ; 
+      configureFlags = args.configureFlags ++ ["--with-ca-bundle=/etc/ssl/certs/ca-certificates.crt"] ; 
     } );
 in
 stdenv.mkDerivation {
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
index a74885b2ce30..971a834f4096 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, libxslt, telepathy_glib, libxml2, dbus_glib, dbus_daemon
-, sqlite, libsoup, libnice, gnutls, cacert }:
+, sqlite, libsoup, libnice, gnutls }:
 
 stdenv.mkDerivation rec {
   name = "telepathy-gabble-0.18.2";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libxml2 dbus_glib sqlite libsoup libnice telepathy_glib gnutls ]
     ++ stdenv.lib.optional doCheck dbus_daemon;
 
-  configureFlags = "--with-ca-certificates=${cacert}/etc/ssl/certs/ca-bundle.crt";
+  configureFlags = "--with-ca-certificates=/etc/ssl/certs/ca-certificates.crt";
 
   enableParallelBuilding = true;
   doCheck = true;
diff --git a/pkgs/applications/networking/irc/weechat/default.nix b/pkgs/applications/networking/irc/weechat/default.nix
index c39c5be1d4ca..060be8ab1eb1 100644
--- a/pkgs/applications/networking/irc/weechat/default.nix
+++ b/pkgs/applications/networking/irc/weechat/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, ncurses, openssl, perl, python, aspell, gnutls
 , zlib, curl , pkgconfig, libgcrypt, ruby, lua5, tcl, guile
-, pythonPackages, cacert, cmake, makeWrapper, libobjc
+, pythonPackages, cmake, makeWrapper, libobjc
 , extraBuildInputs ? [] }:
 
 stdenv.mkDerivation rec {
@@ -15,11 +15,11 @@ stdenv.mkDerivation rec {
   buildInputs = 
     [ ncurses perl python openssl aspell gnutls zlib curl pkgconfig
       libgcrypt ruby lua5 tcl guile pythonPackages.pycrypto makeWrapper
-      cacert cmake ]
+      cmake ]
     ++ stdenv.lib.optionals stdenv.isDarwin [ pythonPackages.pync libobjc ]
     ++ extraBuildInputs;
 
-  NIX_CFLAGS_COMPILE = "-I${python}/include/${python.libPrefix} -DCA_FILE=${cacert}/etc/ssl/certs/ca-bundle.crt";
+  NIX_CFLAGS_COMPILE = "-I${python}/include/${python.libPrefix} -DCA_FILE=/etc/ssl/certs/ca-certificates.crt";
 
   postInstall = ''
     NIX_PYTHONPATH="$out/lib/${python.libPrefix}/site-packages"
diff --git a/pkgs/applications/version-management/bazaar/default.nix b/pkgs/applications/version-management/bazaar/default.nix
index c3b238eeb0aa..28406cecbb00 100644
--- a/pkgs/applications/version-management/bazaar/default.nix
+++ b/pkgs/applications/version-management/bazaar/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pythonPackages, cacert }:
+{ stdenv, fetchurl, pythonPackages }:
 
 stdenv.mkDerivation rec {
   version = "2.6";
@@ -19,10 +19,9 @@ stdenv.mkDerivation rec {
   patches = [ ./add_certificates.patch ];
   postPatch = ''
     substituteInPlace bzrlib/transport/http/_urllib2_wrappers.py \
-      --subst-var-by "certPath" "${cacert}/etc/ssl/certs/ca-bundle.crt"
+      --subst-var-by certPath /etc/ssl/certs/ca-certificates.crt
   '';
 
-
   installPhase = ''
     python setup.py install --prefix=$out
     wrapPythonPrograms
diff --git a/pkgs/applications/version-management/mercurial/default.nix b/pkgs/applications/version-management/mercurial/default.nix
index 4d8b2fe27c60..12f3c8f11d86 100644
--- a/pkgs/applications/version-management/mercurial/default.nix
+++ b/pkgs/applications/version-management/mercurial/default.nix
@@ -1,6 +1,5 @@
 { stdenv, fetchurl, python, makeWrapper, docutils, unzip, hg-git, dulwich
-, guiSupport ? false, tk ? null, curses, cacert
-
+, guiSupport ? false, tk ? null, curses
 , ApplicationServices }:
 
 let
@@ -48,7 +47,7 @@ stdenv.mkDerivation {
       mkdir -p $out/etc/mercurial
       cat >> $out/etc/mercurial/hgrc << EOF
       [web]
-      cacerts = ${cacert}/etc/ssl/certs/ca-bundle.crt
+      cacerts = /etc/ssl/certs/ca-certificates.crt
       EOF
 
       # copy hgweb.cgi to allow use in apache
diff --git a/pkgs/desktops/gnome-3/3.16/core/gnome-keyring/default.nix b/pkgs/desktops/gnome-3/3.16/core/gnome-keyring/default.nix
index a6621aebe432..c3f16db359e5 100644
--- a/pkgs/desktops/gnome-3/3.16/core/gnome-keyring/default.nix
+++ b/pkgs/desktops/gnome-3/3.16/core/gnome-keyring/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, dbus, libgcrypt, libtasn1, pam, python, glib, libxslt
 , intltool, pango, gcr, gdk_pixbuf, atk, p11_kit, makeWrapper
-, docbook_xsl_ns, docbook_xsl, gnome3, cacert }:
+, docbook_xsl_ns, docbook_xsl, gnome3 }:
 
 let
   majVer = gnome3.version;
@@ -22,7 +22,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig intltool docbook_xsl_ns docbook_xsl ];
 
   configureFlags = [
-    "--with-ca-certificates=${cacert}/etc/ssl/certs/ca-bundle.crt" # NixOS hardcoded path
+    "--with-ca-certificates=/etc/ssl/certs/ca-certificates.crt" # NixOS hardcoded path
     "--with-pkcs11-config=$$out/etc/pkcs11/" # installation directories
     "--with-pkcs11-modules=$$out/lib/pkcs11/"
   ];
diff --git a/pkgs/desktops/gnome-3/3.16/core/rest/default.nix b/pkgs/desktops/gnome-3/3.16/core/rest/default.nix
index 354f1715dc19..eada9ab19934 100644
--- a/pkgs/desktops/gnome-3/3.16/core/rest/default.nix
+++ b/pkgs/desktops/gnome-3/3.16/core/rest/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libsoup, gobjectIntrospection, cacert, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, glib, libsoup, gobjectIntrospection, gnome3 }:
 
 stdenv.mkDerivation rec {
   name = "rest-0.7.92";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ pkgconfig glib libsoup gobjectIntrospection];
 
-  configureFlags = "--with-ca-certificates=${cacert}/etc/ssl/certs/ca-bundle.crt";
+  configureFlags = "--with-ca-certificates=/etc/ssl/certs/ca-certificates.crt";
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
diff --git a/pkgs/development/interpreters/elixir/default.nix b/pkgs/development/interpreters/elixir/default.nix
index 99d649f3f684..c9a837744868 100644
--- a/pkgs/development/interpreters/elixir/default.nix
+++ b/pkgs/development/interpreters/elixir/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, erlang, rebar, makeWrapper, coreutils, curl, bash, cacert }:
+{ stdenv, fetchurl, erlang, rebar, makeWrapper, coreutils, curl, bash }:
 
 let
   version = "1.0.5";
@@ -32,8 +32,8 @@ stdenv.mkDerivation {
      b=$(basename $f)
       if [ $b == "mix" ]; then continue; fi
       wrapProgram $f \
-      --prefix PATH ":" "${erlang}/bin:${coreutils}/bin:${curl}/bin:${bash}/bin" \
-      --set CURL_CA_BUNDLE "${cacert}/etc/ssl/certs/ca-bundle.crt"
+        --prefix PATH ":" "${erlang}/bin:${coreutils}/bin:${curl}/bin:${bash}/bin" \
+        --set CURL_CA_BUNDLE /etc/ssl/certs/ca-certificates.crt
     done
   '';
 
diff --git a/pkgs/development/libraries/glib-networking/default.nix b/pkgs/development/libraries/glib-networking/default.nix
index 79b31b1365b7..a17b7a21409b 100644
--- a/pkgs/development/libraries/glib-networking/default.nix
+++ b/pkgs/development/libraries/glib-networking/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, glib, intltool, gnutls, libproxy
-, gsettings_desktop_schemas, cacert }:
+, gsettings_desktop_schemas }:
 
 let
   ver_maj = "2.44";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "8f8a340d3ba99bfdef38b653da929652ea6640e27969d29f7ac51fbbe11a4346";
   };
 
-  configureFlags = "--with-ca-certificates=${cacert}/etc/ssl/certs/ca-bundle.crt";
+  configureFlags = "--with-ca-certificates=/etc/ssl/certs/ca-certificates.crt";
 
   preBuild = ''
     sed -e "s@${glib}/lib/gio/modules@$out/lib/gio/modules@g" -i $(find . -name Makefile)
diff --git a/pkgs/servers/mail/opensmtpd/default.nix b/pkgs/servers/mail/opensmtpd/default.nix
index 810012fb60ad..a95a5d81ce95 100644
--- a/pkgs/servers/mail/opensmtpd/default.nix
+++ b/pkgs/servers/mail/opensmtpd/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     "--with-sock-dir=/run"
     "--with-privsep-user=smtpd"
     "--with-queue-user=smtpq"
-    "--with-ca-file=${cacert}/etc/ssl/certs/ca-bundle.crt"
+    "--with-ca-file=/etc/ssl/certs/ca-certificates.crt"
   ];
 
   installFlags = [
diff --git a/pkgs/tools/misc/pipelight/pipelight.patch b/pkgs/tools/misc/pipelight/pipelight.patch
index bde6ecf943d9..66dd0fdab4c0 100644
--- a/pkgs/tools/misc/pipelight/pipelight.patch
+++ b/pkgs/tools/misc/pipelight/pipelight.patch
@@ -43,7 +43,7 @@ diff -urN pipelight.old/bin/pipelight-plugin.in pipelight.new/bin/pipelight-plug
 -fi
 +download_file()
 +{
-+	curl --cacert /etc/ssl/certs/ca-bundle.crt -o "$1" "$2"
++	curl --cacert /etc/ssl/certs/ca-certificates.crt -o "$1" "$2"
 +}
 
  # Use shasum instead of sha256sum on MacOS / *BSD
@@ -111,7 +111,7 @@ diff -urN pipelight.old/share/install-dependency pipelight.new/share/install-dep
 -fi
 +download_file()
 +{
-+	curl --cacert /etc/ssl/certs/ca-bundle.crt -o "$1" "$2"
++	curl --cacert /etc/ssl/certs/ca-certificates.crt -o "$1" "$2"
 +}
 +get_download_size()
 +{
diff --git a/pkgs/tools/networking/aria2/default.nix b/pkgs/tools/networking/aria2/default.nix
index 8d7f4541cade..e48beb3fe35b 100644
--- a/pkgs/tools/networking/aria2/default.nix
+++ b/pkgs/tools/networking/aria2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, cacert, c-ares, openssl, libxml2, sqlite, zlib }:
+{ stdenv, fetchurl, pkgconfig, c-ares, openssl, libxml2, sqlite, zlib }:
 
 stdenv.mkDerivation rec {
   name = "aria2-${version}";
@@ -11,9 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ pkgconfig c-ares openssl libxml2 sqlite zlib ];
 
-  propagatedBuildInputs = [ cacert ];
-
-  configureFlags = [ "--with-ca-bundle=${cacert}/etc/ssl/certs/ca-bundle.crt" ];
+  configureFlags = [ "--with-ca-bundle=/etc/ssl/certs/ca-certificates.crt" ];
 
   meta = with stdenv.lib; {
     homepage = http://aria2.sourceforge.net/;
diff --git a/pkgs/tools/security/prey/default.nix b/pkgs/tools/security/prey/default.nix
index d04f48c0f313..b36c11cf9345 100644
--- a/pkgs/tools/security/prey/default.nix
+++ b/pkgs/tools/security/prey/default.nix
@@ -1,5 +1,4 @@
-{ stdenv, fetchurl, fetchgit, curl, scrot, imagemagick, xawtv, inetutils
-, makeWrapper, coreutils, cacert
+{ stdenv, fetchurl, fetchgit, curl, scrot, imagemagick, xawtv, inetutils, makeWrapper, coreutils
 , apiKey ? ""
 , deviceKey ? "" }:
 
@@ -36,7 +35,7 @@ in stdenv.mkDerivation rec {
     cp -R ${modulesSrc}/* $out/modules/
     wrapProgram "$out/prey.sh" \
       --prefix PATH ":" "${xawtv}/bin:${imagemagick}/bin:${curl}/bin:${scrot}/bin:${inetutils}/bin:${coreutils}/bin" \
-      --set CURL_CA_BUNDLE "${cacert}/etc/ssl/certs/ca-bundle.crt"
+      --set CURL_CA_BUNDLE "/etc/ssl/certs/ca-certificates.crt"
   '';
 
   meta = with stdenv.lib; {