diff --git a/pytest_trio/_tests/test_async_yield_fixture.py b/pytest_trio/_tests/test_async_yield_fixture.py
index 4810456..4fa6098 100644
--- a/pytest_trio/_tests/test_async_yield_fixture.py
+++ b/pytest_trio/_tests/test_async_yield_fixture.py
@@ -6,17 +6,14 @@
 @pytest.fixture(params=['Python>=36', 'async_generator'])
 def async_yield_implementation(request):
     if request.param == 'Python>=36':
-        if sys.version_info < (3, 6):
-            pytest.skip("requires python3.6")
-        else:
 
-            def patch_code(code):
-                # Convert code to use Python>=3.6 builtin async generator
-                code = re.sub(r'(?m)^\s*@async_generator\n', r'', code)
-                code = re.sub(r'await yield_', r'yield', code)
-                return code
+        def patch_code(code):
+            # Convert code to use Python>=3.6 builtin async generator
+            code = re.sub(r'(?m)^\s*@async_generator\n', r'', code)
+            code = re.sub(r'await yield_', r'yield', code)
+            return code
 
-            return patch_code
+        return patch_code
     else:
         return lambda x: x
 
diff --git a/pytest_trio/plugin.py b/pytest_trio/plugin.py
index 4901e49..12e774b 100644
--- a/pytest_trio/plugin.py
+++ b/pytest_trio/plugin.py
@@ -17,12 +17,6 @@
 # Basic setup
 ################################################################
 
-if sys.version_info >= (3, 6):
-    ORDERED_DICTS = True
-else:
-    # Ordered dict (and **kwargs) not available with Python<3.6
-    ORDERED_DICTS = False
-
 try:
     from hypothesis import register_random
 except ImportError:  # pragma: no cover