diff --git a/.github/workflows/parity-signals.yml b/.github/workflows/parity-signals.yml
deleted file mode 100644
index 716f4665..00000000
--- a/.github/workflows/parity-signals.yml
+++ /dev/null
@@ -1,97 +0,0 @@
-name: parity-signals
-
-# On-demand parity validation of the Rust signals port against the Python
-# reference (https://github.com/katanemo/signals). Not run on every PR
-# because it downloads several GB of dataset content.
-
-on:
-  workflow_dispatch:
-    inputs:
-      num_samples:
-        description: "Number of conversations to sample from lmsys-chat-1m"
-        required: true
-        default: "2000"
-      seed:
-        description: "Sampling seed (use the same value for reproducibility)"
-        required: true
-        default: "42"
-      dataset_revision:
-        description: "HF dataset revision (commit SHA). Empty = latest (NOT pinned)."
-        required: false
-        default: ""
-      signals_ref:
-        description: "Git ref of katanemo/signals to install"
-        required: true
-        default: "main"
-
-permissions:
-  contents: read
-
-jobs:
-  parity:
-    runs-on: ubuntu-latest
-    timeout-minutes: 90
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Install Rust (stable)
-        uses: dtolnay/rust-toolchain@stable
-
-      - name: Cache cargo
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: crates
-
-      - name: Build signals_replay
-        working-directory: crates
-        run: cargo build --release -p brightstaff --bin signals_replay
-
-      - uses: actions/setup-python@v6
-        with:
-          python-version: "3.11"
-
-      - name: Install harness deps
-        working-directory: tests/parity/signals
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt
-          pip install "signals @ git+https://github.com/katanemo/signals@${{ inputs.signals_ref }}"
-
-      - name: Authenticate Hugging Face (lmsys-chat-1m is gated)
-        env:
-          HF_TOKEN: ${{ secrets.HF_TOKEN }}
-        run: |
-          if [ -z "$HF_TOKEN" ]; then
-            echo "::error::HF_TOKEN secret is required to download lmsys-chat-1m"
-            exit 1
-          fi
-          mkdir -p ~/.cache/huggingface
-          echo -n "$HF_TOKEN" > ~/.cache/huggingface/token
-
-      - name: Run parity harness
-        working-directory: tests/parity/signals
-        env:
-          DATASET_REV: ${{ inputs.dataset_revision }}
-        run: |
-          ARGS=(
-            --num-samples "${{ inputs.num_samples }}"
-            --seed "${{ inputs.seed }}"
-            --rust-binary "${GITHUB_WORKSPACE}/crates/target/release/signals_replay"
-            --output-dir out/
-          )
-          if [ -n "$DATASET_REV" ]; then
-            ARGS+=(--dataset-revision "$DATASET_REV")
-          fi
-          python run_parity.py "${ARGS[@]}"
-
-      - name: Compare reports
-        working-directory: tests/parity/signals
-        run: python compare.py --output-dir out/
-
-      - name: Upload artifacts
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: signals-parity-out
-          path: tests/parity/signals/out/
-          if-no-files-found: warn