diff --git a/src/ansys/fluent/visualization/post_data_extractor.py b/src/ansys/fluent/visualization/post_data_extractor.py
index 3bab28ec..f18dbf44 100644
--- a/src/ansys/fluent/visualization/post_data_extractor.py
+++ b/src/ansys/fluent/visualization/post_data_extractor.py
@@ -8,10 +8,7 @@
     GraphicsDefn,
     PlotDefn,
 )
-from ansys.fluent.core.services.field_data import (
-    _FieldDataConstants,
-    merge_pathlines_data,
-)
+from ansys.fluent.core.services.field_data import _FieldDataConstants
 import numpy as np
 
 
@@ -170,7 +167,6 @@ def _fetch_contour_data(self, obj, *args, **kwargs):
     def _fetch_pathlines_data(self, obj, *args, **kwargs):
         if not obj.surfaces_list() or not obj.field():
             raise RuntimeError("Ptahline definition is incomplete.")
-
         obj._pre_display()
         field = obj.field()
         surfaces_list = obj.surfaces_list()
@@ -191,12 +187,11 @@ def _fetch_pathlines_data(self, obj, *args, **kwargs):
         try:
             fields = transaction.get_fields()
             pathlines_data = fields[(("type", "pathlines-field"), ("field", field))]
-            data = merge_pathlines_data(pathlines_data, field)
         except Exception as e:
             raise RuntimeError("Error while requesting data from server." + str(e))
         finally:
             obj._post_display()
-        return data
+        return pathlines_data
 
     def _fetch_vector_data(self, obj, *args, **kwargs):
 
diff --git a/src/ansys/fluent/visualization/pyvista/pyvista_windows_manager.py b/src/ansys/fluent/visualization/pyvista/pyvista_windows_manager.py
index 1278323e..566a3b75 100644
--- a/src/ansys/fluent/visualization/pyvista/pyvista_windows_manager.py
+++ b/src/ansys/fluent/visualization/pyvista/pyvista_windows_manager.py
@@ -189,13 +189,13 @@ def _display_pathlines(self, obj, plotter: Union[BackgroundPlotter, pv.Plotter])
 
         # loop over all meshes
         for surface_id, surface_data in data.items():
-            if "vertices" not in surface_data or "faces" not in surface_data:
+            if "vertices" not in surface_data or "lines" not in surface_data:
                 continue
             surface_data["vertices"].shape = surface_data["vertices"].size // 3, 3
 
             mesh = pv.PolyData(
                 surface_data["vertices"],
-                lines=surface_data["faces"],
+                lines=surface_data["lines"],
             )
 
             if node_values: