diff --git a/test/test_groups.toml b/test/test_groups.toml
index a7aee83..1fe84cd 100644
--- a/test/test_groups.toml
+++ b/test/test_groups.toml
@@ -1,7 +1,5 @@
 [Core]
 versions = ["lts", "1", "pre"]
-os = ["ubuntu-latest", "macos-latest", "windows-latest"]
 
 [QA]
 versions = ["lts", "1"]
-os = ["ubuntu-latest", "macos-latest", "windows-latest"]