diff --git a/Cronet/tools/import/copy.bara.sky b/Cronet/tools/import/copy.bara.sky
index 0a64fa2..a73779a 100644
--- a/Cronet/tools/import/copy.bara.sky
+++ b/Cronet/tools/import/copy.bara.sky
@@ -71,6 +71,8 @@
         "base/third_party/nspr/**",
         "base/third_party/superfasthash/**",
         "base/third_party/valgrind/**",
+        # Those are temporarily needed until Chromium finish the migration
+        # of libc++[abi]
         "buildtools/third_party/libc++/**",
         "buildtools/third_party/libc++abi/**",
         # Note: Only used for tests.
@@ -87,6 +89,8 @@
         # Note: Only used for tests.
         "third_party/googletest/**",
         "third_party/icu/**",
+        "third_party/libc++/**",
+        "third_party/libc++abi/**",
         "third_party/libevent/**",
         # Note: Only used for tests.
         "third_party/libxml/**",