diff --git a/.github/workflows/build-desktop-dev.yml b/.github/workflows/build-desktop-dev.yml
index f1fc33c9..f734005b 100644
--- a/.github/workflows/build-desktop-dev.yml
+++ b/.github/workflows/build-desktop-dev.yml
@@ -122,7 +122,7 @@ jobs:
           STAGING="desktop/build-artifacts/ci-Claude-Code-Haha-v${{ steps.version.outputs.version }}-${{ matrix.artifact_name }}"
           mkdir -p "$STAGING"
           find desktop/build-artifacts/electron -maxdepth 1 -type f \
-            \( -name "*.dmg" -o -name "*.exe" -o -name "*.deb" -o -name "*.AppImage" -o -name "*.zip" -o -name "*.blockmap" -o -name "*.yml" \) \
+            \( -name "*.dmg" -o -name "*.exe" -o -name "*.deb" -o -name "*.AppImage" -o -name "*.yml" \) \
             | while read -r artifact; do
               cp -f "$artifact" "$STAGING/"
             done
diff --git a/.github/workflows/release-desktop.yml b/.github/workflows/release-desktop.yml
index f89f0889..1b436252 100644
--- a/.github/workflows/release-desktop.yml
+++ b/.github/workflows/release-desktop.yml
@@ -431,10 +431,8 @@ jobs:
           fail_on_unmatched_files: true
           files: |
             artifacts/release-assets/**/*.dmg
-            artifacts/release-assets/**/*.zip
             artifacts/release-assets/**/*.exe
             artifacts/release-assets/**/*.AppImage
             artifacts/release-assets/**/*.deb
-            artifacts/release-assets/**/*.blockmap
             artifacts/update-metadata-standard/*.yml
             desktop/scripts/install-macos-unsigned.sh
diff --git a/scripts/pr/release-workflow.test.ts b/scripts/pr/release-workflow.test.ts
index 05af2274..eb861cd1 100644
--- a/scripts/pr/release-workflow.test.ts
+++ b/scripts/pr/release-workflow.test.ts
@@ -47,15 +47,17 @@ describe('release desktop workflow', () => {
     }
   })
 
-  test('development desktop artifacts exclude unpacked macOS app bundles', () => {
+  test('development desktop artifacts exclude unpacked macOS app bundles and updater-only files', () => {
     const workflow = readFileSync('.github/workflows/build-desktop-dev.yml', 'utf8')
     const collectStep = workflow.match(
       /- name: Collect artifacts[\s\S]*?(?:\n\s{6}- name:|$)/,
     )?.[0]
 
     expect(collectStep).toContain('*.dmg')
-    expect(collectStep).toContain('*.zip')
-    expect(collectStep).toContain('*.blockmap')
+    // The macOS auto-update zip and blockmaps are not collected: unsigned builds
+    // ship manual downloads only, so the artifact stays the installer + script.
+    expect(collectStep).not.toContain('*.zip')
+    expect(collectStep).not.toContain('*.blockmap')
     expect(collectStep).toContain('*.yml')
     expect(collectStep).toContain('install-macos-unsigned.sh')
     expect(collectStep).toContain('[ "${{ matrix.smoke_platform }}" = "macos" ]')