diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
deleted file mode 100644
index 0b8b004..0000000
--- a/.github/workflows/codeql-analysis.yml
+++ /dev/null
@@ -1,87 +0,0 @@
-# Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
-#
-# This file is part of a Moko Consulting project.
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <https://www.gnu.org/licenses/>.
-#
-# FILE INFORMATION
-# DEFGROUP: GitHub.Workflow
-# INGROUP: Moko-Cassiopeia.Security
-# REPO: https://github.com/mokoconsulting-tech/moko-cassiopeia
-# PATH: /.github/workflows/codeql-analysis.yml
-# VERSION: 01.00.00
-# BRIEF: CodeQL security scanning workflow for vulnerability detection
-# NOTE: Runs on push to main and PRs, weekly scheduled scans
-
-name: "CodeQL Security Scanning"
-
-on:
-  push:
-    branches: 
-      - main
-      - dev/**
-      - rc/**
-      - version/**
-  pull_request:
-    branches: 
-      - main
-      - dev/**
-      - rc/**
-      - version/**
-  schedule:
-    # Run at 6:00 AM UTC every Monday
-    - cron: '0 6 * * 1'
-  workflow_dispatch:
-
-permissions:
-  actions: read
-  contents: read
-  security-events: write
-
-jobs:
-  analyze:
-    name: CodeQL Analysis
-    runs-on: ubuntu-latest
-    timeout-minutes: 360
-    
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'javascript', 'python' ]
-        # CodeQL supports: 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby'
-        # This repository contains PHP (not directly supported), JavaScript, and Python
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
-      with:
-        languages: ${{ matrix.language }}
-        # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
-        queries: +security-extended,security-and-quality
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
-    # If this step fails, then you should remove it and run the build manually
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
-      with:
-        category: "/language:${{matrix.language}}"
-        upload: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b18c3a..4c45e72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,12 +23,14 @@
 
 ## [03.05.01] 2026-01-09
 ### Added
-- Added `codeql-analysis.yml` workflow for security scanning
 - Added `dependency-review.yml` workflow for dependency vulnerability scanning
 - Added `standards-compliance.yml` workflow for MokoStandards validation
 - Added `.github/dependabot.yml` configuration for automated security updates
 - Added `docs/README.md` as documentation index
 
+### Changed
+- Removed custom `codeql-analysis.yml` workflow (repository uses GitHub's default CodeQL setup)
+
 ### Changed
 - Enforced repository compliance with MokoStandards requirements
 - Improved security posture with automated scanning and dependency management