--- a/script/build
+++ b/script/build
@@ -17,7 +17,7 @@
 # Whether the host system is a mips64el machine.
 IS_MIPS64EL_HOST = platform.uname()[5] == 'mips64'
 
-NINJA = os.path.join(VENDOR_DIR, 'depot_tools', 'ninja')
+NINJA = 'ninja'
 if sys.platform == 'win32':
   NINJA = '{0}.exe'.format(NINJA)
 elif IS_MIPS64EL_HOST:
--- a/script/create-dist
+++ b/script/create-dist
@@ -34,7 +34,7 @@
 # Whether the host system is a mips64el machine.
 IS_MIPS64EL_HOST = platform.uname()[5] == 'mips64'
 
-NINJA = os.path.join(VENDOR_DIR, 'depot_tools', 'ninja')
+NINJA = 'ninja'
 if sys.platform == 'win32':
   NINJA = '{0}.exe'.format(NINJA)
 elif IS_MIPS64EL_HOST:
--- a/script/lib/gn.py
+++ b/script/lib/gn.py
@@ -10,7 +10,7 @@
   if platform in ['win32', 'cygwin']:
     relative_path = ['buildtools', 'win', 'gn.exe']
   elif platform == 'linux2':
-    relative_path = ['buildtools', 'linux64', 'gn']
+    relative_path = ['out', 'Release', 'gn']
   elif platform == 'darwin':
     relative_path = ['buildtools', 'mac', 'gn']
 
--- a/script/update
+++ b/script/update
@@ -75,17 +75,16 @@
   if target_arch == 'mips64el' and IS_MIPS64EL_HOST:
     os.system('sh script/mips64el/runhooks-mips64el')
 
-  if sys.platform == 'linux2':
-    install_sysroot(target_arch)
-  elif sys.platform in ['win32', 'cygwin']:
-    update_toolchain_json()
+  # if sys.platform == 'linux2':
+  #   install_sysroot(target_arch)
+  # elif sys.platform in ['win32', 'cygwin']:
+  #   update_toolchain_json()
 
   if target_arch == 'arm64':
     install_aarch64_bintools()
 
   return ((apply_patches(target_arch) if args.apply_patches else 0) or
           copy_chromiumcontent_files() or
-          update_clang() or
           setup_mips64el_toolchain(target_arch) or
           run_gn(target_arch))