diff --git a/.github/workflows/ba-windows.yml b/.github/workflows/ba-windows.yml
index 1526376c9703085c8a399981584cba0081e625a8..ad3677394429304519fcacbdedf47f0a146e632d 100644
--- a/.github/workflows/ba-windows.yml
+++ b/.github/workflows/ba-windows.yml
@@ -95,7 +95,6 @@ jobs:
         dir: '${{ github.workspace }}/qt5/'
         install-deps: 'true'
         modules: 'qtcharts qtwebengine'
-        mirror: 'http://mirrors.ocf.berkeley.edu/qt/'
         cached: 'false'
 
     - name: Download ccache, Ninja, Nsis