diff --git a/src/bonsai/bonsai/bim/module/drawing/operator.py b/src/bonsai/bonsai/bim/module/drawing/operator.py
index 2f858a9d9e..abc6bbfb5c 100644
--- a/src/bonsai/bonsai/bim/module/drawing/operator.py
+++ b/src/bonsai/bonsai/bim/module/drawing/operator.py
@@ -3094,20 +3094,9 @@ class AddReference(bpy.types.Operator, tool.Ifc.Operator, ImportHelper):
     use_relative_path: bpy.props.BoolProperty(name="Use Relative Path", default=True)
     filename_ext = ".svg"
 
-    files: bpy.props.CollectionProperty(type=bpy.types.OperatorFileListElement)
-    directory: bpy.props.StringProperty(subtype="DIR_PATH")
-
     def _execute(self, context):
-        # Handle both single and multiple file selection
-        if self.files:
-            for file_elem in self.files:
-                filepath = os.path.join(self.directory, file_elem.name)
-                uri = tool.Ifc.get_uri(filepath, use_relative_path=self.use_relative_path)
-                core.add_document(tool.Ifc, tool.Drawing, "REFERENCE", uri=uri)
-        else:
-            # Fallback for single file (backward compatibility)
-            filepath = tool.Ifc.get_uri(self.filepath, use_relative_path=self.use_relative_path)
-            core.add_document(tool.Ifc, tool.Drawing, "REFERENCE", uri=filepath)
+        filepath = tool.Ifc.get_uri(self.filepath, use_relative_path=self.use_relative_path)
+        core.add_document(tool.Ifc, tool.Drawing, "REFERENCE", uri=filepath)
 
 
 class RemoveReference(bpy.types.Operator, tool.Ifc.Operator):
diff --git a/src/bonsai/test/tool/test_drawing.py b/src/bonsai/test/tool/test_drawing.py
index 532186d7ff..8501b5b9ea 100644
--- a/src/bonsai/test/tool/test_drawing.py
+++ b/src/bonsai/test/tool/test_drawing.py
@@ -958,71 +958,3 @@ class TestAddReferenceImage(NewFile):
 
         uv_node = material_nodes["Texture Coordinate"]
         assert len(uv_node.outputs["Generated"].links[:]) == 1
-
-
-class TestAddReference(NewFile):
-    def test_add_single_reference(self):
-        """Test adding a single reference file (backward compatibility)"""
-        bpy.ops.bim.create_project()
-        ifc_path = Path("test/files/temp/test.ifc").absolute()
-        bpy.ops.bim.save_project(filepath=str(ifc_path), should_save_as=True)
-
-        # Create a temporary SVG file
-        svg_path = Path("test/files/temp/reference.svg").absolute()
-        svg_path.parent.mkdir(parents=True, exist_ok=True)
-        with open(svg_path, "w") as f:
-            f.write('<svg xmlns="http://www.w3.org/2000/svg"></svg>')
-
-        try:
-            # Add single reference
-            bpy.ops.bim.add_reference(filepath=str(svg_path))
-
-            # Verify reference was added
-            ifc = tool.Ifc.get()
-            references = [doc for doc in ifc.by_type("IfcDocumentInformation") if doc.Scope == "REFERENCE"]
-            assert len(references) == 1
-            assert references[0].Name == "reference"
-        finally:
-            # Cleanup
-            if svg_path.exists():
-                svg_path.unlink()
-
-    def test_add_multiple_references(self):
-        """Test adding multiple reference files at once"""
-        bpy.ops.bim.create_project()
-        ifc_path = Path("test/files/temp/test.ifc").absolute()
-        bpy.ops.bim.save_project(filepath=str(ifc_path), should_save_as=True)
-
-        # Create temporary SVG files
-        temp_dir = Path("test/files/temp").absolute()
-        temp_dir.mkdir(parents=True, exist_ok=True)
-
-        svg_files = []
-        for i in range(3):
-            svg_path = temp_dir / f"reference_{i}.svg"
-            with open(svg_path, "w") as f:
-                f.write('<svg xmlns="http://www.w3.org/2000/svg"></svg>')
-            svg_files.append(svg_path)
-
-        try:
-            # Test by directly calling core.add_document multiple times
-            # (simulating what the operator does with multiple files)
-            ifc = tool.Ifc.get()
-            for svg_file in svg_files:
-                uri = tool.Ifc.get_uri(str(svg_file), use_relative_path=True)
-                from bonsai.bim import core
-
-                core.drawing.add_document(tool.Ifc, tool.Drawing, "REFERENCE", uri=uri)
-
-            # Verify all references were added
-            references = [doc for doc in ifc.by_type("IfcDocumentInformation") if doc.Scope == "REFERENCE"]
-            assert len(references) == 3
-
-            reference_names = {ref.Name for ref in references}
-            expected_names = {f"reference_{i}" for i in range(3)}
-            assert reference_names == expected_names
-        finally:
-            # Cleanup
-            for svg_file in svg_files:
-                if svg_file.exists():
-                    svg_file.unlink()