diff --git a/tuner/tuner/__init__.py b/tuner/tuner/__init__.py
index 86b8fa1bf..1570edaa1 100644
--- a/tuner/tuner/__init__.py
+++ b/tuner/tuner/__init__.py
@@ -4,7 +4,8 @@
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-from iree.compiler import ir
+from iree.compiler import ir  # type: ignore
+
 
 # substitute replace=True so that colliding registration don't error
 def register_attribute_builder(kind, replace=True):
@@ -14,4 +15,5 @@ def decorator_builder(func):
 
     return decorator_builder
 
+
 ir.register_attribute_builder = register_attribute_builder
diff --git a/tuner/tuner/common_test.py b/tuner/tuner/common_test.py
index feeb66e04..6d76c216f 100644
--- a/tuner/tuner/common_test.py
+++ b/tuner/tuner/common_test.py
@@ -217,10 +217,3 @@ def test_get_lowering_config(tuner_ctx: common.TunerContext) -> None:
 
     assert config.lowering_config.mma_kind is None
     assert config.lowering_config.subgroup_count_mn == (1, 1)
-
-
-def test_enum_collision():
-    from iree.compiler.dialects import linalg, vector
-
-    linalg_iter_type_e = linalg._iteratortype(0, None)
-    vector_iter_type_e = vector._vector_iteratortype(0, None)
diff --git a/tuner/tuner/libtuner_test.py b/tuner/tuner/libtuner_test.py
index 11af59af4..274fd8cae 100644
--- a/tuner/tuner/libtuner_test.py
+++ b/tuner/tuner/libtuner_test.py
@@ -499,3 +499,7 @@ def test_validate_devices_with_invalid_device() -> None:
                     exit_program=True,
                 )
                 assert expected_call in mock_handle_error.call_args_list
+
+
+def test_enum_collision():
+    from iree.compiler.dialects import linalg, vector