diff --git a/tests/recipe/test_recipe.py b/tests/recipe/test_recipe.py
index c27eb8f..b73aad3 100644
--- a/tests/recipe/test_recipe.py
+++ b/tests/recipe/test_recipe.py
@@ -363,8 +363,6 @@ def test_merging_recipes():
 
     # There is a 'C service'
     assert any(
-        map(
-            lambda x: (isinstance(x, dict) and x.get("service") == "C service"),
-            C.recipe.values(),
-        )
+        isinstance(x, dict) and x.get("service") == "C service"
+        for x in C.recipe.values()
     )
diff --git a/tests/transport/test_common.py b/tests/transport/test_common.py
index c30710c..2ac337c 100644
--- a/tests/transport/test_common.py
+++ b/tests/transport/test_common.py
@@ -167,7 +167,9 @@ def test_callbacks_can_be_intercepted(mangling):
     )
 
     # Pass through (tests the value passed to the interceptor function is sensible)
-    intercept = lambda x: x
+    def intercept(x):
+        return x
+
     ct.subscription_callback_set_intercept(intercept)
 
     ct.subscription_callback(subid)(mock.sentinel.header, mock.sentinel.message)