Index: buildbot/osuosl/master/config/builders.py
===================================================================
--- buildbot/osuosl/master/config/builders.py
+++ buildbot/osuosl/master/config/builders.py
@@ -514,18 +514,21 @@
          'factory': ClangBuilder.getClangCMakeBuildFactory(
                        clean=False)},
 
-        {'name' : "clang-3stage-ubuntu",
-            'slavenames' : ["ps4-buildslave1"],
-            'builddir' : "clang-3stage-ubuntu",
-            'factory': ClangLTOBuilder3Stage.get3StageClangLTOBuildFactory(
-                clean=True,
-                env=None,
-                build_gold=True,
-                cmake_cache_file="../llvm.src/tools/clang/cmake/caches/3-stage.cmake",
-                extra_cmake_options=[
-                    '-GNinja',
-                    '-DLLVM_TARGETS_TO_BUILD=all',
-                    '-DLLVM_BINUTILS_INCDIR=/opt/binutils/include'])},
+        # FIXME: This builder is not ready to be in production yet.
+        # An alternate slave will be setup so this builder can be brought up on
+        # the silent build master first.
+        # {'name' : "clang-3stage-ubuntu",
+        #     'slavenames' : ["ps4-buildslave1"],
+        #     'builddir' : "clang-3stage-ubuntu",
+        #     'factory': ClangLTOBuilder3Stage.get3StageClangLTOBuildFactory(
+        #         clean=True,
+        #         env=None,
+        #         build_gold=True,
+        #         cmake_cache_file="../llvm.src/tools/clang/cmake/caches/3-stage.cmake",
+        #         extra_cmake_options=[
+        #             '-GNinja',
+        #             '-DLLVM_TARGETS_TO_BUILD=all',
+        #             '-DLLVM_BINUTILS_INCDIR=/opt/binutils/include'])},
     ]
 
 # Polly builders.