diff --git a/lib/galaxy/tools/evaluation.py b/lib/galaxy/tools/evaluation.py
index 7df74ba4d2e6..bbb72308cc1e 100644
--- a/lib/galaxy/tools/evaluation.py
+++ b/lib/galaxy/tools/evaluation.py
@@ -6,10 +6,9 @@
 import string
 import tempfile
 from datetime import datetime
-from typing import (
+from typing import (  # cast,
     Any,
     Callable,
-    cast,
     Dict,
     List,
     Optional,
@@ -29,11 +28,11 @@
 )
 from galaxy.model.none_like import NoneDataset
 from galaxy.security.object_wrapper import wrap_with_safe_string
-from galaxy.security.vault import UserVaultWrapper
-from galaxy.structured_app import (
+
+# from galaxy.security.vault import UserVaultWrapper
+from galaxy.structured_app import (  # StructuredApp,
     BasicSharedApp,
     MinimalToolApp,
-    StructuredApp,
 )
 from galaxy.tool_util.data import TabularToolDataTable
 from galaxy.tools.parameters import (
@@ -192,7 +191,7 @@ def set_compute_environment(self, compute_environment: ComputeEnvironment, get_s
         self.execute_tool_hooks(inp_data=inp_data, out_data=out_data, incoming=incoming)
 
         if self.tool.credentials:
-            app = cast(StructuredApp, self.app)
+            # app = cast(StructuredApp, self.app)
             # user_vault = UserVaultWrapper(app.vault, self._user)
             for credentials in self.tool.credentials:
                 reference = credentials.reference