diff --git a/images/chr-source/prepare-build.sh b/images/chr-source/prepare-build.sh
index 0fea01e..92f6e9c 100644
--- a/images/chr-source/prepare-build.sh
+++ b/images/chr-source/prepare-build.sh
@@ -40,7 +40,11 @@ echo >>../.gclient "    \"deps_file\"   : 'DEPS',"
 echo >>../.gclient "    \"managed\"     : True,"
 echo >>../.gclient "    \"custom_deps\" : {"
 echo >>../.gclient "    },"
-echo >>../.gclient "    \"custom_vars\": {},"
+echo >>../.gclient "    \"custom_vars\": {"
+echo >>../.gclient "       \"checkout_android_prebuilts_build_tools\": True,"
+echo >>../.gclient "       \"checkout_telemetry_dependencies\": False,"
+echo >>../.gclient "       \"codesearch\": 'Debug',"
+echo >>../.gclient "    },"
 echo >>../.gclient "  },"
 echo >>../.gclient "]"
 echo >>../.gclient "target_os=['android']"