diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 54251c25e7..7f01ac5b83 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -74,15 +74,6 @@ repos:
     files: 'tools/cloud-build/daily-tests/builds/.*\.yaml'
     pass_filenames: false
     require_serial: true
-  - id: validate-daily-test-builds
-    name: validate-daily-test-builds
-    entry: tools/cloud-build/daily-tests/validate_daily_test_builds.py
-    language: python
-    language_version: python3
-    additional_dependencies: ['pyyaml']
-    files: 'tools/cloud-build/daily-tests/builds/.*\.(yaml|yml)'
-    pass_filenames: true
-    require_serial: true
   - id: pytest-check
     name: pytest-check
     entry: pytest
diff --git a/tools/cloud-build/daily-tests/validate_daily_test_builds.py b/tools/cloud-build/daily-tests/validate_daily_test_builds.py
deleted file mode 100755
index 94b6be3774..0000000000
--- a/tools/cloud-build/daily-tests/validate_daily_test_builds.py
+++ /dev/null
@@ -1,91 +0,0 @@
-#!/usr/bin/env python3
-# Copyright 2026 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.
-
-import argparse
-import sys
-from pathlib import Path
-
-import yaml
-
-def validate_build_file(file_path: Path) -> bool:
-    """Validates a daily test build file.
-
-    Args:
-        file_path: The path to the build file.
-
-    Returns:
-        True if the file is valid, False otherwise.
-    """
-    try:
-        with open(file_path, "r") as f:
-            data = yaml.safe_load(f)
-    except yaml.YAMLError as e:
-        print(f"Error parsing YAML file {file_path}: {e}", file=sys.stderr)
-        return False
-
-    if not isinstance(data, dict):
-        print(f"Error: {file_path} is not a valid YAML dictionary.", file=sys.stderr)
-        return False
-
-    steps = data.get("steps")
-    if not isinstance(steps, list):
-        print(f"Error: 'steps' not found or not a list in {file_path}", file=sys.stderr)
-        return False
-
-    for step in steps:
-        if isinstance(step, dict) and step.get("id") == "check_for_running_build":
-            script = step.get("script")
-            if not script:
-                print(
-                    f"Error: 'script' not found in 'check_for_running_build' step in {file_path}",
-                    file=sys.stderr,
-                )
-                return False
-            expected_script = f"tools/cloud-build/check_running_build.sh {file_path}"
-            if script != expected_script:
-                print(
-                    f"Error: Invalid 'script' in 'check_for_running_build' step in {file_path}",
-                    file=sys.stderr,
-                )
-                print(f"  Expected: {expected_script}", file=sys.stderr)
-                print(f"  Got:      {script}", file=sys.stderr)
-                return False
-            return True
-
-    print(
-        f"Error: 'check_for_running_build' step not found in {file_path}",
-        file=sys.stderr,
-    )
-    return False
-
-
-def main():
-    parser = argparse.ArgumentParser(
-        description="Validates daily test build files."
-    )
-    parser.add_argument(
-        "filenames",
-        nargs="*",
-        help="The files to validate.",
-    )
-    args = parser.parse_args()
-
-    results = [validate_build_file(Path(filename)) for filename in args.filenames]
-    if not all(results):
-        sys.exit(1)
-
-
-if __name__ == "__main__":
-    main()