diff --git a/upb/bindings/lua/lua_proto_library.bzl b/upb/bindings/lua/lua_proto_library.bzl
index 51c611cf31..266208af90 100644
--- a/upb/bindings/lua/lua_proto_library.bzl
+++ b/upb/bindings/lua/lua_proto_library.bzl
@@ -1,11 +1,5 @@
 
 load("@bazel_skylib//lib:paths.bzl", "paths")
-load("@bazel_tools//tools/cpp:toolchain_utils.bzl", "find_cpp_toolchain")
-
-# copybara:strip_for_google3_begin
-load("@bazel_skylib//lib:versions.bzl", "versions")
-load("@bazel_version//:bazel_version.bzl", "bazel_version")
-# copybara:strip_end
 
 # Generic support code #########################################################