diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index c5015d5f..a90b939a 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -27,9 +27,6 @@ jobs:
       matrix:
         python-version: [ 3.7, 3.8, 3.9 ]
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        exclude: # Added for GitHub Actions PR problem 2020-12-19 -- remove later!
-          - os: windows-latest
-            python-version: 3.9
 
     steps:
     - uses: actions/checkout@v2