diff --git a/runtime/BUILD.gn b/runtime/BUILD.gn
index bf90bece9..44ccfb835 100644
--- a/runtime/BUILD.gn
+++ b/runtime/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/common/config.gni")
+
 vmservice_sources_gypi =
   exec_script("//build/gypi_to_gn.py",
       [ rebase_path("//dart/runtime/bin/vmservice/vmservice_sources.gypi") ],
diff --git a/sky/engine/core/BUILD.gn b/sky/engine/core/BUILD.gn
index 3cd166bd9..f7f0b2386 100644
--- a/sky/engine/core/BUILD.gn
+++ b/sky/engine/core/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/common/config.gni")
 import("//flutter/sky/engine/core/core.gni")
 
 visibility = [ "//flutter/sky/engine/*", "//flutter/sky/shell/*" ]