diff --git a/test/asynchronous/test_encryption.py b/test/asynchronous/test_encryption.py
index 88b005c4b..40f1acd32 100644
--- a/test/asynchronous/test_encryption.py
+++ b/test/asynchronous/test_encryption.py
@@ -380,9 +380,9 @@ class TestClientSimple(AsyncEncryptionIntegrationTest):
         is_greenthread_patched(),
         "gevent and eventlet do not support POSIX-style forking.",
     )
-    @unittest.skipIf("PyPy" in sys.version, "PYTHON-4738 fails often on PyPy")
     @async_client_context.require_sync
     async def test_fork(self):
+        self.skipTest("Test is flaky, PYTHON-4738")
         opts = AutoEncryptionOpts(KMS_PROVIDERS, "keyvault.datakeys")
         client = await self.async_rs_or_single_client(auto_encryption_opts=opts)
 
diff --git a/test/test_encryption.py b/test/test_encryption.py
index 13a69ca9a..373981b1d 100644
--- a/test/test_encryption.py
+++ b/test/test_encryption.py
@@ -380,9 +380,9 @@ class TestClientSimple(EncryptionIntegrationTest):
         is_greenthread_patched(),
         "gevent and eventlet do not support POSIX-style forking.",
     )
-    @unittest.skipIf("PyPy" in sys.version, "PYTHON-4738 fails often on PyPy")
     @client_context.require_sync
     def test_fork(self):
+        self.skipTest("Test is flaky, PYTHON-4738")
         opts = AutoEncryptionOpts(KMS_PROVIDERS, "keyvault.datakeys")
         client = self.rs_or_single_client(auto_encryption_opts=opts)