diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index 5b5019a..0000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,113 +0,0 @@
-name: Backend CI
-
-on:
-  pull_request:
-    branches: [high-performance]
-  push:
-    branches: [high-performance]
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    services:
-      postgres:
-        image: postgres:16-alpine
-        env:
-          POSTGRES_USER: nxtgauge
-          POSTGRES_PASSWORD: nxtgauge_dev
-          POSTGRES_DB: nxtgauge_db
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-        ports: ['5432:5432']
-      redis:
-        image: redis:7-alpine
-        options: >-
-          --health-cmd "redis-cli ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-        ports: ['6379:6379']
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          components: rustfmt, clippy
-
-      - name: Cache cargo registry
-        uses: Swatinem/rust-cache@v2
-
-      - name: Install test tools
-        run: |
-          cargo install cargo-nextest cargo-llvm-cov cargo-deny
-
-      - name: Check formatting
-        run: cargo fmt -- --check
-
-      - name: Run clippy
-        run: cargo clippy -- -D warnings
-
-      - name: Run cargo-deny (dependency check)
-        run: cargo deny check
-
-      - name: Build
-        run: cargo build --workspace
-
-      - name: Unit tests with nextest
-        run: cargo nextest run --workspace --cargo-extra-args="--all-features"
-
-      # Integration tests require DB up; run with scripts/init-db.sql
-      - name: Initialize database
-        env:
-          DATABASE_URL: postgresql://nxtgauge:nxtgauge_dev@localhost:5432/nxtgauge_db
-        run: |
-          psql $DATABASE_URL -f scripts/init-db.sql
-
-      - name: Integration tests
-        env:
-          DATABASE_URL: postgresql://nxtgauge:nxtgauge_dev@localhost:5432/nxtgauge_db
-          REDIS_URL: redis://localhost:6379
-          JWT_SECRET: testsecret
-        run: cargo nextest run --workspace --test '*' --cargo-extra-args="--all-features"
-
-      - name: Generate coverage report
-        env:
-          DATABASE_URL: postgresql://nxtgauge:nxtgauge_dev@localhost:5432/nxtgauge_db
-        run: |
-          cargo llvm-cov nextest --workspace --all-features --lcov --output-path lcov.info
-
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
-        with:
-          files: lcov.info
-          fail_ci_if_error: false
-
-      - name: Archive load-test script (k6)
-        run: tar -czf load-tests.tar.gz load-tests/
-
-      - name: Upload load-test script artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: load-tests
-          path: load-tests.tar.gz
-
-  security:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Trivy
-        uses: aquasecurity/trivy-action@master
-        with:
-          scan-type: 'fs'
-          format: 'sarif'
-          output: 'trivy-results.sarif'
-      - name: Upload Trivy results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@v3
-        with:
-          sarif_file: 'trivy-results.sarif'