diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 7e614efe1..5043a2953 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
 
       matrix:
-        os: [ "macos-latest", "windows-latest", "ubuntu-20.04", "ubuntu-18.04", "macos-10.15" ]
+        os: [ "macos-latest", "windows-latest", "ubuntu-20.04", "ubuntu-18.04" ]
         python-version: [3.7, 3.8, 3.9 ]
         test-name:
           - integration-test