diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index c631e1f7d..508ba98ef 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:5581906b957284864632cde4e9c51d1cc66b0094990b27e689132fe5cd036046
-# created: 2025-03-05
+  digest: sha256:25de45b58e52021d3a24a6273964371a97a4efeefe6ad3845a64e697c63b6447
+# created: 2025-04-14T14:34:43.260858345Z
diff --git a/owlbot.py b/owlbot.py
index a8044bd6f..3aa352620 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -326,7 +326,7 @@
     if count < 1:
         raise Exception(".coveragerc replacement failed.")
 
-    s.move([library], excludes=["**/gapic_version.py", "README.rst", "docs/**/*", "setup.py", "testing/constraints-3.7.txt", "testing/constraints-3.8.txt"])
+    s.move([library], excludes=["**/gapic_version.py", "noxfile.py", "README.rst", "docs/**/*", "setup.py", "testing/constraints-3.7.txt", "testing/constraints-3.8.txt"])
 s.remove_staging_dirs()
 
 # ----------------------------------------------------------------------------
@@ -345,96 +345,6 @@
 )
 s.move(templated_files, excludes=[".coveragerc", ".github/release-please.yml", "README.rst", "docs/index.rst"])
 
-# ----------------------------------------------------------------------------
-# Add mypy nox session.
-# ----------------------------------------------------------------------------
-s.replace(
-    "noxfile.py",
-    r"LINT_PATHS = \[.*?\]",
-    '\g<0>\n\nMYPY_VERSION = "mypy==1.10.0"',
-)
-s.replace(
-    "noxfile.py", r'"blacken",', '\g<0>\n    "mypy",',
-)
-s.replace(
-    "noxfile.py",
-    r"nox\.options\.error_on_missing_interpreters = True",
-    textwrap.dedent(
-        '''    \g<0>
-
-
-    @nox.session(python=DEFAULT_PYTHON_VERSION)
-    def mypy(session):
-        """Run type checks with mypy."""
-        session.install("-e", ".[all]")
-        session.install(MYPY_VERSION)
-
-        # Version 2.1.1 of google-api-core version is the first type-checked release.
-        # Version 2.2.0 of google-cloud-core version is the first type-checked release.
-        session.install(
-            "google-api-core[grpc]>=2.1.1",
-            "google-cloud-core>=2.2.0",
-        )
-
-        # Just install the type info directly, since "mypy --install-types" might
-        # require an additional pass.
-        # Exclude types-protobuf==4.24.0.20240106
-        # See https://github.com/python/typeshed/issues/11254
-        session.install("types-protobuf!=4.24.0.20240106", "types-setuptools")
-
-        # TODO: Only check the hand-written layer, the generated code does not pass
-        # mypy checks yet.
-        # https://github.com/googleapis/gapic-generator-python/issues/1092
-        session.run("mypy", "-p", "google.cloud")'''
-    ),
-)
-
-
-# ----------------------------------------------------------------------------
-# Add mypy_samples nox session.
-# ----------------------------------------------------------------------------
-s.replace(
-    "noxfile.py",
-    r'    "mypy",',
-    '\g<0>\n    # https://github.com/googleapis/python-pubsub/pull/552#issuecomment-1016256936'
-    '\n    # "mypy_samples",  # TODO: uncomment when the check passes',
-)
-s.replace(
-    "noxfile.py",
-    r'session\.run\("mypy", "-p", "google.cloud"\)',
-    textwrap.dedent(
-        '''    \g<0>
-
-
-    @nox.session(python=DEFAULT_PYTHON_VERSION)
-    def mypy_samples(session):
-        """Run type checks with mypy."""
-
-        session.install("-e", ".[all]")
-
-        session.install("pytest")
-        session.install(MYPY_VERSION)
-
-        # Just install the type info directly, since "mypy --install-types" might
-        # require an additional pass.
-        session.install("types-mock", "types-protobuf", "types-setuptools") 
-
-        session.run(
-            "mypy",
-            "--config-file",
-            str(CURRENT_DIRECTORY / "samples" / "snippets" / "mypy.ini"),
-            "--no-incremental",  # Required by warn-unused-configs from mypy.ini to work
-            "samples/",
-        )'''
-    ),
-)
-
-
-# Only consider the hand-written layer when assessing the test coverage.
-s.replace(
-    "noxfile.py", "--cov=google", "--cov=google/cloud",
-)
-
 s.replace(".github/blunderbuss.yml", "googleapis/api-pubsub", "mukund-ananthu")
 
 python.py_samples(skip_readmes=True)