diff --git a/MODULE.bazel b/MODULE.bazel
index 74a0a31036..63b595a8a7 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -82,8 +82,6 @@ git_override(
 git_override(
     module_name = "pybind11_protobuf",
     commit = "f02a2b7653bc50eb5119d125842a3870db95d251",
-    #patch_strip = 1,
-    #patches = ["//patches:pybind11_protobuf.patch"],
     remote = "https://github.com/pybind/pybind11_protobuf.git",
 )
 
diff --git a/ortools/flatzinc/parser.lex b/ortools/flatzinc/parser.lex
index 1ae81b8104..0095b8759d 100644
--- a/ortools/flatzinc/parser.lex
+++ b/ortools/flatzinc/parser.lex
@@ -1,3 +1,16 @@
+// Copyright 2010-2025 Google LLC
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /* Create a reentrant parser. */
 %option reentrant
 /* Allow parameter passing to and from the bison parser. */
diff --git a/ortools/flatzinc/parser.yy b/ortools/flatzinc/parser.yy
index 767cd1032d..6ee12935b3 100644
--- a/ortools/flatzinc/parser.yy
+++ b/ortools/flatzinc/parser.yy
@@ -1,3 +1,16 @@
+// Copyright 2010-2025 Google LLC
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Renames all yy to orfz_ in public functions.
 %define api.prefix {orfz_}
 
diff --git a/ortools/routing/docs/routing_svg.py b/ortools/routing/docs/routing_svg.py
index 881f5b396d..13be4effbb 100755
--- a/ortools/routing/docs/routing_svg.py
+++ b/ortools/routing/docs/routing_svg.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2025 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/ortools/sat/colab/flags.py b/ortools/sat/colab/flags.py
index 7057db3684..48d2cebe17 100644
--- a/ortools/sat/colab/flags.py
+++ b/ortools/sat/colab/flags.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2025 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/ortools/sat/colab/visualization.py b/ortools/sat/colab/visualization.py
index 725042fb27..10bcb82bc9 100644
--- a/ortools/sat/colab/visualization.py
+++ b/ortools/sat/colab/visualization.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2025 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/ortools/sat/python/BUILD.bazel b/ortools/sat/python/BUILD.bazel
index ffd20a2ebd..0148f932c2 100644
--- a/ortools/sat/python/BUILD.bazel
+++ b/ortools/sat/python/BUILD.bazel
@@ -15,6 +15,8 @@
 
 load("@pip_deps//:requirements.bzl", "requirement")
 load("@pybind11_bazel//:build_defs.bzl", "pybind_extension")
+load("@rules_cc//cc:cc_binary.bzl", "cc_binary")
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
 load("@rules_python//python:py_library.bzl", "py_library")
 load("@rules_python//python:py_test.bzl", "py_test")
 
diff --git a/ortools/sat/python/cp_model.py b/ortools/sat/python/cp_model.py
index 3eefdfbdbd..035ef78f22 100644
--- a/ortools/sat/python/cp_model.py
+++ b/ortools/sat/python/cp_model.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2025 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.