diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 8c2703e76ce..d77fd104815 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -29,7 +29,7 @@
 , pulseSupport ? false, libpulseaudio ? null
 , hiDPISupport ? false
 
-, source
+, upstream-info
 }:
 
 buildFun:
@@ -97,9 +97,17 @@ let
 
   base = rec {
     name = "${packageName}-${version}";
-    inherit (source) version;
+    inherit (upstream-info) version;
     inherit packageName buildType buildPath;
-    src = source;
+
+    src = upstream-info.main;
+
+    unpackCmd = ''
+      tar xf "$src" \
+        --anchored \
+        --no-wildcards-match-slash \
+        --exclude='*/tools/gyp'
+    '';
 
     buildInputs = defaultDependencies ++ [
       which
@@ -117,16 +125,21 @@ let
       ++ optionals cupsSupport [ libgcrypt cups ]
       ++ optional pulseSupport libpulseaudio;
 
-    # XXX: Wait for https://crbug.com/239107 and https://crbug.com/239181 to
-    #      be fixed, then try again to unbundle everything into separate
-    #      derivations.
-    prePatch = ''
-      cp -dr --no-preserve=mode "${source.main}"/* .
-      cp -dr "${source.bundled}" third_party
-      chmod -R u+w third_party
-    '';
+    patches = [
+      ./patches/build_fixes_46.patch
+      ./patches/widevine.patch
+      (if versionOlder version "50.0.0.0"
+       then ./patches/nix_plugin_paths_46.patch
+       else ./patches/nix_plugin_paths_50.patch)
+    ];
 
     postPatch = ''
+      sed -i -r \
+        -e 's/-f(stack-protector)(-all)?/-fno-\1/' \
+        -e 's|/bin/echo|echo|' \
+        -e "/python_arch/s/: *'[^']*'/: '""'/" \
+        build/common.gypi chrome/chrome_tests.gypi
+
       sed -i -e '/module_path *=.*libexif.so/ {
         s|= [^;]*|= base::FilePath().AppendASCII("${libexif}/lib/libexif.so")|
       }' chrome/utility/media_galleries/image_metadata_extractor.cc
diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index f9ed1f31e54..79e5e2dfec3 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -19,10 +19,9 @@ let
   callPackage = newScope chromium;
 
   chromium = {
-    source = callPackage ./source {
-      inherit channel;
-      # XXX: common config
-    };
+    upstream-info = (import ./update.nix {
+      inherit (stdenv) system;
+    }).getChannel channel;
 
     mkChromiumDerivation = callPackage ./common.nix {
       inherit enableSELinux enableNaCl enableHotwording gnomeSupport
diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
index b2e777c6faf..a0b354f0327 100644
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -3,7 +3,7 @@
 , enablePepperFlash ? false
 , enableWideVine ? false
 
-, source
+, upstream-info
 }:
 
 with stdenv.lib;
@@ -40,16 +40,15 @@ let
   plugins = stdenv.mkDerivation {
     name = "chromium-binary-plugins";
 
-    # XXX: Only temporary and has to be version-specific
-    src = source.plugins;
+    src = upstream-info.binary;
 
     phases = [ "unpackPhase" "patchPhase" "installPhase" "checkPhase" ];
     outputs = [ "flash" "widevine" ];
 
     unpackCmd = let
-      chan = if source.channel == "dev"    then "chrome-unstable"
-        else if source.channel == "stable" then "chrome"
-        else "chrome-${source.channel}";
+      chan = if upstream-info.channel == "dev"    then "chrome-unstable"
+        else if upstream-info.channel == "stable" then "chrome"
+        else "chrome-${upstream-info.channel}";
     in ''
       mkdir -p plugins
       ar p "$src" data.tar.xz | tar xJ -C plugins --strip-components=4 \
diff --git a/pkgs/applications/networking/browsers/chromium/source/default.nix b/pkgs/applications/networking/browsers/chromium/source/default.nix
deleted file mode 100644
index 6e0decbca25..00000000000
--- a/pkgs/applications/networking/browsers/chromium/source/default.nix
+++ /dev/null
@@ -1,78 +0,0 @@
-{ stdenv, fetchpatch, patchutils, python
-, channel ? "stable"
-}:
-
-with stdenv.lib;
-
-with (import ../update.nix {
-  inherit (stdenv) system;
-}).getChannel channel;
-
-let
-  transform = flags: concatStringsSep ";" (map (subst: subst + flags) [
-    "s,^[^/]+(.*)$,$main\\1,"
-    "s,$main/(build|tools)(/.*)?$,$out/\\1\\2,"
-    "s,$main/third_party(/.*)?$,$bundled\\1,"
-    "s,^/,,"
-  ]);
-
-in stdenv.mkDerivation {
-  name = "chromium-source-${version}";
-
-  src = main;
-
-  buildInputs = [ python ]; # cannot patch shebangs otherwise
-
-  phases = [ "unpackPhase" "patchPhase" ];
-  outputs = [ "out" "bundled" "main" ];
-
-  unpackPhase = ''
-    tar xf "$src" -C / \
-      --transform="${transform "xS"}" \
-      --anchored \
-      --no-wildcards-match-slash \
-      --exclude='*/tools/gyp' \
-      --exclude='*/.*'
-  '';
-
-  prePatch = ''
-    for i in $outputs; do
-      eval patchShebangs "\$$i"
-    done
-  '';
-
-  patches = [
-    ../patches/build_fixes_46.patch
-    ../patches/widevine.patch
-    (if versionOlder version "50.0.0.0"
-     then ../patches/nix_plugin_paths_46.patch
-     else ../patches/nix_plugin_paths_50.patch)
-  ];
-
-  patchPhase = let
-    diffmod = sym: "/^${sym} /{s/^${sym} //;${transform ""};s/^/${sym} /}";
-    allmods = "${diffmod "---"};${diffmod "\\+\\+\\+"}";
-    sedexpr = "/^(---|\\+\\+\\+) *\\/dev\\/null/b;${allmods}";
-  in ''
-    runHook prePatch
-    for i in $patches; do
-      header "applying patch $i" 3
-      sed -r -e "${sedexpr}" "$i" | patch -d / -p0
-      stopNest
-    done
-    runHook postPatch
-  '';
-
-  postPatch = ''
-    sed -i -r \
-      -e 's/-f(stack-protector)(-all)?/-fno-\1/' \
-      -e 's|/bin/echo|echo|' \
-      -e "/python_arch/s/: *'[^']*'/: '""'/" \
-      "$out/build/common.gypi" "$main/chrome/chrome_tests.gypi"
-  '';
-
-  passthru = {
-    inherit version channel;
-    plugins = binary;
-  };
-}
diff --git a/pkgs/applications/networking/browsers/chromium/update.nix b/pkgs/applications/networking/browsers/chromium/update.nix
index 150031ab788..cff84199562 100644
--- a/pkgs/applications/networking/browsers/chromium/update.nix
+++ b/pkgs/applications/networking/browsers/chromium/update.nix
@@ -32,6 +32,7 @@ in rec {
   getChannel = channel: let
     chanAttrs = builtins.getAttr channel sources;
   in {
+    inherit channel;
     inherit (chanAttrs) version;
 
     main = fetchurl {