diff --git a/.github/workflows/windows-ci.yml b/.github/workflows/windows-ci.yml
index 2af25710067..f59e4b38471 100644
--- a/.github/workflows/windows-ci.yml
+++ b/.github/workflows/windows-ci.yml
@@ -23,7 +23,6 @@ jobs:
           php-version: '8.0'
           tools: composer:v2
           coverage: none
-          extensions: decimal
 
       - uses: actions/checkout@v2