diff --git a/strawberry/extensions/context.py b/strawberry/extensions/context.py
index 225f2bbbf5..87fade02b3 100644
--- a/strawberry/extensions/context.py
+++ b/strawberry/extensions/context.py
@@ -20,13 +20,13 @@
 )
 
 from strawberry.extensions import SchemaExtension
-from strawberry.types.execution import ExecutionContext
-from strawberry.utils.await_maybe import AwaitableOrValue
 
 if TYPE_CHECKING:
     from types import TracebackType
 
     from strawberry.extensions.base_extension import Hook
+    from strawberry.types.execution import ExecutionContext
+    from strawberry.utils.await_maybe import AwaitableOrValue
 
 
 class WrappedHook(NamedTuple):
@@ -94,7 +94,7 @@ def get_hook(cls, extension: SchemaExtension) -> Optional[WrappedHook]:
                 return cls.from_callable(extension, hook_fn)
 
             raise ValueError(
-                f"Hook {self.HOOK_NAME} on {extension} "
+                f"Hook {cls.HOOK_NAME} on {extension} "
                 f"must be callable, received {hook_fn!r}"
             )
 
diff --git a/tests/schema/extensions/schema_extensions/conftest.py b/tests/schema/extensions/schema_extensions/conftest.py
index 2f22310878..afd47a28cc 100644
--- a/tests/schema/extensions/schema_extensions/conftest.py
+++ b/tests/schema/extensions/schema_extensions/conftest.py
@@ -97,6 +97,10 @@ def hook_wrap(list_: List[str], hook_name: str):
 @pytest.fixture()
 def async_extension() -> Type[ExampleExtension]:
     class MyExtension(ExampleExtension):
+        async def on_operation(self, execution_context: ExecutionContext):
+            with hook_wrap(self.called_hooks, SchemaExtension.on_operation.__name__):
+                yield
+
         async def on_validate(self, execution_context: ExecutionContext):
             with hook_wrap(self.called_hooks, SchemaExtension.on_validate.__name__):
                 yield
diff --git a/tests/schema/extensions/schema_extensions/test_extensions.py b/tests/schema/extensions/schema_extensions/test_extensions.py
index 264c97f2cc..e4cae542a8 100644
--- a/tests/schema/extensions/schema_extensions/test_extensions.py
+++ b/tests/schema/extensions/schema_extensions/test_extensions.py
@@ -390,21 +390,6 @@ async def on_parse(self, execution_context: ExecutionContext):
     SyncExt.assert_expected()
 
 
-def test_raise_if_defined_both_legacy_and_new_style(default_query_types_and_query):
-    class WrongUsageExtension(SchemaExtension):
-        def on_execute(self, execution_context: ExecutionContext):
-            yield
-
-        def on_executing_start(self): ...
-
-    schema = strawberry.Schema(
-        query=default_query_types_and_query.query_type, extensions=[WrongUsageExtension]
-    )
-    result = schema.execute_sync(default_query_types_and_query.query)
-    assert len(result.errors) == 1
-    assert isinstance(result.errors[0].original_error, ValueError)
-
-
 def test_warning_about_async_get_results_hooks_in_sync_context():
     class MyExtension(SchemaExtension):
         async def get_results(self, execution_context: ExecutionContext):
@@ -632,7 +617,6 @@ class MyExtension(SchemaExtension):
         def on_parse(self, execution_context: ExecutionContext):
             nonlocal execution_errors
             yield
-            execution_context = execution_context
             execution_errors = execution_context.errors
 
     @strawberry.type
@@ -779,7 +763,6 @@ def test_execution_cache_example(mock_original_execute):
     class ExecutionCache(SchemaExtension):
         def on_execute(self, execution_context: ExecutionContext):
             # Check if we've come across this query before
-            execution_context = execution_context
             self.cache_key = (
                 f"{execution_context.query}:{json.dumps(execution_context.variables)}"
             )
@@ -849,7 +832,6 @@ def test_execution_reject_example(mock_original_execute):
     class RejectSomeQueries(SchemaExtension):
         def on_execute(self, execution_context: ExecutionContext):
             # Reject all operations called "RejectMe"
-            execution_context = execution_context
             if execution_context.operation_name == "RejectMe":
                 execution_context.result = GraphQLExecutionResult(
                     data=None,
@@ -986,11 +968,9 @@ def test_raise_if_hook_is_not_callable(default_query_types_and_query: SchemaHelp
     class MyExtension(SchemaExtension):
         on_operation = "ABC"  # type: ignore
 
-    schema = strawberry.Schema(
-        query=default_query_types_and_query.query_type, extensions=[MyExtension]
-    )
-    result = schema.execute_sync(default_query_types_and_query.query)
-    assert len(result.errors) == 1
-    assert isinstance(result.errors[0].original_error, ValueError)
-    assert result.errors[0].message.startswith("Hook on_operation on <")
-    assert result.errors[0].message.endswith("> must be callable, received 'ABC'")
+    with pytest.raises(ValueError) as exc_info:
+        schema = strawberry.Schema(
+            query=default_query_types_and_query.query_type, extensions=[MyExtension]
+        )
+        _ = schema.execute_sync(default_query_types_and_query.query)
+    assert exc_info.match("Hook on_operation on <.*MyExtension.*> must be callable")
diff --git a/tests/schema/extensions/schema_extensions/test_subscription.py b/tests/schema/extensions/schema_extensions/test_subscription.py
index 1c86e29a39..1ebe133ebc 100644
--- a/tests/schema/extensions/schema_extensions/test_subscription.py
+++ b/tests/schema/extensions/schema_extensions/test_subscription.py
@@ -4,7 +4,7 @@
 
 import strawberry
 from strawberry.extensions import SchemaExtension
-from strawberry.types.execution import ExecutionResult
+from strawberry.types.execution import ExecutionContext, ExecutionResult
 from tests.conftest import skip_if_gql_32
 
 from .conftest import ExampleExtension, SchemaHelper
diff --git a/tests/types/test_execution.py b/tests/types/test_execution.py
index 917541ee53..34e43f5777 100644
--- a/tests/types/test_execution.py
+++ b/tests/types/test_execution.py
@@ -1,5 +1,6 @@
 import strawberry
 from strawberry.extensions import SchemaExtension
+from strawberry.types.execution import ExecutionContext
 
 
 @strawberry.type