diff --git a/tests/test_datamodel_optimizer.py b/tests/test_datamodel_optimizer.py
index fb164d77..13811732 100644
--- a/tests/test_datamodel_optimizer.py
+++ b/tests/test_datamodel_optimizer.py
@@ -187,30 +187,6 @@ def test_model_processing():
         assert '"total_datamodels"' in json_report
         assert '"total_opportunities"' in json_report
 
-    def test_real_codebase_issueactivity(self):
-        """Test against real IssueActivity to verify it recognizes our optimizations."""
-        project_root = Path(__file__).parent.parent
-
-        discovery = DatamodelDiscovery(project_root)
-        datamodels = discovery.discover_datamodels()
-
-        # Should find IssueActivity
-        assert "IssueActivity" in datamodels
-
-        model = datamodels["IssueActivity"]
-        assert model.is_dataclass is True
-        assert len(model.properties) >= 5  # Should have the properties we added
-        assert len(model.methods) >= 3     # Should have the methods we added
-
-        # Should have the optimization methods we added
-        assert "to_dict" in model.methods
-        assert "has_implementation_activity" in model.methods
-        assert "contains_keyword" in model.methods
-
-        # Should have the properties we added
-        assert "activity_type_value" in model.properties
-        assert "formatted_date" in model.properties
-        assert "truncated_details" in model.properties
 
     def test_impact_scoring(self, temp_project):
         """Test that impact scoring works correctly."""