diff --git a/build/build-clang/clang-win64.json b/build/build-clang/clang-win64.json
index f8f679193939..a860e72bea3b 100644
--- a/build/build-clang/clang-win64.json
+++ b/build/build-clang/clang-win64.json
@@ -1,11 +1,12 @@
 {
-    "llvm_revision": "317840",
+    "llvm_revision": "326909",
     "stages": "3",
     "build_libcxx": false,
     "build_type": "Release",
     "assertions": false,
     "llvm_repo": "https://llvm.org/svn/llvm-project/llvm/trunk",
     "clang_repo": "https://llvm.org/svn/llvm-project/cfe/trunk",
+    "lld_repo": "https://llvm.org/svn/llvm-project/lld/trunk",
     "compiler_repo": "https://llvm.org/svn/llvm-project/compiler-rt/trunk",
     "libcxx_repo": "https://llvm.org/svn/llvm-project/libcxx/trunk",
     "python_path": "c:/mozilla-build/python/python.exe",
@@ -13,9 +14,6 @@
     "cxx": "cl.exe",
     "ml": "ml64.exe",
     "patches": [
-      "r318309.patch",
-      "loosen-msvc-detection.patch",
-      "hide-gcda-profiling-symbols.patch",
-      "fflush-before-unlocking.patch"
+      "loosen-msvc-detection.patch"
     ]
 }