diff --git a/partitioned-pipe/precice-config.xml b/partitioned-pipe/precice-config.xml
index 308ae87fd..a8d085543 100644
--- a/partitioned-pipe/precice-config.xml
+++ b/partitioned-pipe/precice-config.xml
@@ -7,32 +7,28 @@
       enabled="true" />
   </log>
 
-  <data:vector name="VelocityGradient" />
   <data:scalar name="Pressure" />
   <data:vector name="Velocity" />
-  <data:scalar name="PressureGradient" />
+  <!-- <data:scalar name="PressureGradient" /> -->
 
   <mesh name="Fluid1-Mesh" dimensions="3">
-    <use-data name="VelocityGradient" />
     <use-data name="Pressure" />
     <use-data name="Velocity" />
-    <use-data name="PressureGradient" />
+    <!-- <use-data name="PressureGradient" /> -->
   </mesh>
 
   <mesh name="Fluid2-Mesh" dimensions="3">
-    <use-data name="VelocityGradient" />
     <use-data name="Pressure" />
     <use-data name="Velocity" />
-    <use-data name="PressureGradient" />
+    <!-- <use-data name="PressureGradient" /> -->
   </mesh>
 
   <participant name="Fluid1">
     <provide-mesh name="Fluid1-Mesh" />
     <receive-mesh name="Fluid2-Mesh" from="Fluid2" />
     <write-data name="Velocity" mesh="Fluid1-Mesh" />
-    <write-data name="PressureGradient" mesh="Fluid1-Mesh" />
+    <!-- <write-data name="PressureGradient" mesh="Fluid1-Mesh" /> -->
     <read-data name="Pressure" mesh="Fluid1-Mesh" />
-    <read-data name="VelocityGradient" mesh="Fluid1-Mesh" />
     <mapping:nearest-neighbor
       direction="read"
       from="Fluid2-Mesh"
@@ -44,9 +40,8 @@
     <provide-mesh name="Fluid2-Mesh" />
     <receive-mesh name="Fluid1-Mesh" from="Fluid1" />
     <read-data name="Velocity" mesh="Fluid2-Mesh" />
-    <read-data name="PressureGradient" mesh="Fluid2-Mesh" />
+    <!-- <read-data name="PressureGradient" mesh="Fluid2-Mesh" /> -->
     <write-data name="Pressure" mesh="Fluid2-Mesh" />
-    <write-data name="VelocityGradient" mesh="Fluid2-Mesh" />
     <mapping:nearest-neighbor
       direction="read"
       from="Fluid1-Mesh"