diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a275ed48..cb3280f6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -65,10 +65,6 @@ jobs:
             python-version: "3.11"
 
           # Test more available versions of PyPy on Linux.
-          - os: "ubuntu-latest"
-            python-version: "pypy3.6"
-          - os: "ubuntu-latest"
-            python-version: "pypy3.7"
           - os: "ubuntu-latest"
             python-version: "pypy3.8"
           - os: "ubuntu-latest"