diff --git a/vtkm/filter/testing/UnitTestVertexClusteringFilter.cxx b/vtkm/filter/testing/UnitTestVertexClusteringFilter.cxx
index 4b4255529..e84c7c57f 100644
--- a/vtkm/filter/testing/UnitTestVertexClusteringFilter.cxx
+++ b/vtkm/filter/testing/UnitTestVertexClusteringFilter.cxx
@@ -47,8 +47,6 @@ void TestVertexClustering()
 
 
   // test
-  const vtkm::Id output_pointIds = 9;
-  vtkm::Id output_pointId[output_pointIds] = {0,1,3, 1,5,4, 1,2,5};
   const vtkm::Id output_points = 6;
   vtkm::Float64 output_point[output_points][3] = {{0.0174716003,0.0501927994,0.0930275023}, {0.0320714004,0.14704667,0.0952706337}, {0.0268670674,0.246195346,0.119720004}, {0.00215422804,0.0340906903,0.180881709}, {0.0108188,0.152774006,0.167914003}, {0.0202241503,0.225427493,0.140208006}};