diff --git a/pkgs/applications/networking/browsers/chromium/browser.nix b/pkgs/applications/networking/browsers/chromium/browser.nix
index 404f2596909..e35d894e0e7 100644
--- a/pkgs/applications/networking/browsers/chromium/browser.nix
+++ b/pkgs/applications/networking/browsers/chromium/browser.nix
@@ -5,9 +5,7 @@ with stdenv.lib;
 mkChromiumDerivation (base: rec {
   name = "chromium-browser";
   packageName = "chromium";
-  ## mojo_platform_bindings is built ahead of chrome, because of spurious
-  ## build errors, see https://github.com/NixOS/nixpkgs/issues/35296
-  buildTargets = [ "mksnapshot" "mojo_platform_bindings" "chrome_sandbox" "chrome" ];
+  buildTargets = [ "mksnapshot" "chrome_sandbox" "chrome" ];
 
   outputs = ["out" "sandbox"];
 
diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 3be03f65106..f5ec42974c7 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -1,4 +1,4 @@
-{ stdenv, ninja, which, nodejs, fetchurl, gnutar
+{ stdenv, ninja, which, nodejs, fetchurl, fetchpatch, gnutar
 
 # default dependencies
 , bzip2, flac, speex, libopus
@@ -44,10 +44,14 @@ let
   # source tree.
   extraAttrs = buildFun base;
 
-  gentooPatch = name: sha256: fetchurl {
+  gentooPatch = name: sha256: fetchpatch {
     url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/www-client/chromium/files/${name}";
     inherit sha256;
   };
+  githubPatch = commit: sha256: fetchpatch {
+    url = "https://github.com/chromium/chromium/commit/${commit}.patch";
+    inherit sha256;
+  };
 
   mkGnFlags =
     let
@@ -147,6 +151,8 @@ let
     ]  ++ optionals (versionRange "64" "65") [
       (gentooPatch "chromium-cups-r0.patch" "0hyjlfh062c8h54j4b27y4dq5yzd4w6mxzywk3s02yf6cj3cbkrl")
       (gentooPatch "chromium-angle-r0.patch" "0izdrqwsyr48117dhvwdsk8c6dkrnq2njida1q4mb1lagvwbz7gc")
+      # missing ninja dep https://github.com/NixOS/nixpkgs/issues/35296#issuecomment-368666833
+      (githubPatch "b1e3cfd4f9bfe43a1e08c5670b51c8c80d3e6372" "17vih86rpsy282r8ikrf2q5gfjdwqzvyn8859i75xzvl8agyhbaa")
     ]  ++ optionals (versionRange "65" "66") [
       #(gentooPatch "chromium-gcc-r0.patch" "127xdwabizn5gz8rf1qsw62i7m0b5bsfjqxv4kdbsnizmjanddf8")
       #(gentooPatch "chromium-memcpy-r0.patch" "1d3vra59wjg2lva7ddv55ff6l57mk9k50llsplr0b7vxk0lh0ps5")