diff --git a/BUILD.gn b/BUILD.gn
index 23192cd325..f3d69a7405 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -178,6 +178,7 @@ run_node("deno_runtime_declaration") {
     rebase_path("node_modules/ts-node/dist/bin.js", root_build_dir),
     "--project",
     rebase_path("tools/ts_library_builder/tsconfig.json"),
+    "--skip-ignore",
     rebase_path("tools/ts_library_builder/main.ts", root_build_dir),
     "--basePath",
     rebase_path(".", root_build_dir),