diff --git a/.github/BUILD.bazel b/.github/BUILD.bazel
deleted file mode 100644
index 0ccd8fe981..0000000000
--- a/.github/BUILD.bazel
+++ /dev/null
@@ -1,25 +0,0 @@
-load("@bazel_skylib//rules:diff_test.bzl", "diff_test")
-load("@rules_codeowners//tools:codeowners.bzl", "generate_codeowners")
-
-generate_codeowners(
-    name = "gen_codeowners",
-    generated_comment = "# AUTO GENERATED edits will be lost\n# To update, run:\n#    yarn update-codeowners",
-    # This list is auto-generated by `yarn update-codeowners`
-    # do not sort
-    owners = [
-        "//:OWNERS",
-    ],
-)
-
-diff_test(
-    name = "check_codeowners",
-    failure_message = "Please run:  bazel run //.github:gen_codeowners",
-    file1 = ":gen_codeowners",
-    file2 = "CODEOWNERS",
-    target_compatible_with = select({
-        # produces different line endings on Windows
-        # which makes the diff_test fail
-        "@platforms//os:windows": ["@platforms//:incompatible"],
-        "//conditions:default": [],
-    }),
-)
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index c5977d4ac1..c2a9ebbab3 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,5 +1 @@
-# AUTO GENERATED edits will be lost
-# To update, run:
-#    yarn update-codeowners
-
 * @mattem @gregmagolan @alexeagle @jbedard
diff --git a/repositories.bzl b/repositories.bzl
index 057b42e7ea..cb144e913c 100644
--- a/repositories.bzl
+++ b/repositories.bzl
@@ -43,13 +43,6 @@ def rules_nodejs_dev_dependencies():
         urls = ["https://github.com/bazelbuild/stardoc/releases/download/0.6.2/stardoc-0.6.2.tar.gz"],
     )
 
-    http_archive(
-        name = "rules_codeowners",
-        strip_prefix = "rules_codeowners-4f44c38b5f43ceecf5f02a502d129dc830b8c66f",
-        sha256 = "2858ba495f02432c715583f040ca1dd22a7f94786f36b58dc796e151d5014758",
-        urls = ["https://github.com/zegl/rules_codeowners/archive/4f44c38b5f43ceecf5f02a502d129dc830b8c66f.zip"],
-    )
-
     http_archive(
         name = "aspect_bazel_lib",
         sha256 = "6d758a8f646ecee7a3e294fbe4386daafbe0e5966723009c290d493f227c390b",
diff --git a/tools/defaults.bzl b/tools/defaults.bzl
deleted file mode 100644
index 9a4acc38dd..0000000000
--- a/tools/defaults.bzl
+++ /dev/null
@@ -1,41 +0,0 @@
-"""Wrappers around build rules
-
-These set common default attributes and behaviors for our local repo
-"""
-
-load("@rules_codeowners//tools:codeowners.bzl", _codeowners = "codeowners")
-
-_GLOBAL_OWNERS = [
-    "@alexeagle",
-    "@gregmagolan",
-    "@mattem",
-    "@jbedard",
-]
-
-def codeowners(name = "OWNERS", no_parent = False, **kwargs):
-    """Convenience macro to set some defaults
-
-    Args:
-        name: Unique name for target
-        no_parent: Mimic the google3 OWNERS file which allows a .no-parent rule to avoid inheriting global approvers, see http://go/owners#noparent
-        **kwargs: see codeowners rule docs
-    """
-    pkg = native.package_name()
-    teams = [kwargs.pop("team")] if "team" in kwargs.keys() else kwargs.pop("teams", [])
-    patterns = kwargs.pop("patterns") if "patterns" in kwargs.keys() else [kwargs.pop("pattern", "**")]
-
-    if pkg.startswith("."):
-        # buildifier: disable=print
-        print(pkg, name)
-
-    # Googlers: see http://go/owners#noparent
-    if not no_parent:
-        teams += [owner for owner in _GLOBAL_OWNERS if owner not in teams]
-
-    _codeowners(
-        name = name,
-        patterns = patterns,
-        teams = teams,
-        visibility = ["//.github:__pkg__"],
-        **kwargs
-    )