diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8fbedde8d7..f9589a1b5f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -541,7 +541,6 @@ jobs:
                   psql -c 'create database phpbb_tests;' -U postgres
                   Set-MpPreference -ExclusionPath "${env:PGDATA}" # Exclude PGDATA directory from Windows Defender
                   Set-MpPreference -DisableRealtimeMonitoring $true
-                  New-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows Defender" -Name DisableAntiSpyware -Value 1 -PropertyType DWORD -Force
             - name: Run unit tests
               run: |
                   phpBB/vendor/bin/phpunit --configuration .github/phpunit-psql-windows-github.xml --verbose --stop-on-error --exclude-group functional