diff --git a/.github/workflows/slsa-publish.yml b/.github/workflows/slsa-publish.yml
deleted file mode 100644
index dc633cb..0000000
--- a/.github/workflows/slsa-publish.yml
+++ /dev/null
@@ -1,52 +0,0 @@
-name: release (slsa 3)
-on:
-  push:
-    tags:
-    - '*'
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    outputs:
-      hashes: ${{ steps.hash.outputs.hashes }}
-
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-
-      - name: install devbox  
-        uses: jetpack-io/devbox-install-action@v0.3.0
-
-      - name: install dependencies
-        run: devbox run poetry install
-
-      - name: install dependencies
-        id: build
-        run: devbox run poetry build
-
-      - name: generate provenance subjects
-        id: hash
-        run: |
-          cd dist
-          HASHES=$(sha256sum * | base64 -w0)
-          echo "hashes=$HASHES" >> "$GITHUB_OUTPUT"
-
-      - name: release
-        uses: softprops/action-gh-release@v0.1.15
-        if: startsWith(github.ref, 'refs/tags/')
-        with:
-          files: |
-            dist/*.whl
-
-  provenance:
-    needs: [build]
-    permissions:
-      actions: read
-      id-token: write
-      contents: write
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.6.0
-    with:
-      base64-subjects: "${{ needs.build.outputs.hashes }}"
-      upload-assets: true
diff --git a/surplus.py b/surplus.py
index b1c67ac..5796b02 100644
--- a/surplus.py
+++ b/surplus.py
@@ -30,6 +30,7 @@ For more information, please refer to <http://unlicense.org/>
 """
 
 from argparse import ArgumentParser
+from collections import OrderedDict
 from sys import stderr
 from typing import Any, Callable, Final, NamedTuple
 
@@ -188,7 +189,7 @@ def surplus(
     if debug:
         stderr.write(f"debug: {location=}\n")
 
-    data: list[str] = [
+    text: list[str] = [
         (
             ",".join(
                 [
@@ -241,7 +242,11 @@ def surplus(
         location["address"].get("country"),
     ]
 
-    return True, "\n".join([d for d in data if ((d != None) and d != "")])
+    unique = OrderedDict()
+    for line in text:
+        unique.update({line: None})
+
+    return True, "\n".join([d for d in unique.keys() if ((d != None) and d != "")])
 
 
 def parse_query(