diff --git a/benchmarks/u_omega/analysis/demo.cxx b/benchmarks/u_omega/analysis/demo.cxx
index 82432a671a24766973b7ebaa348c6161824bf11b..46f7b472b536615cfa89200d365a808c8a9e39ba 100644
--- a/benchmarks/u_omega/analysis/demo.cxx
+++ b/benchmarks/u_omega/analysis/demo.cxx
@@ -32,7 +32,6 @@ auto p_track = [](std::vector<edm4eic::TrackParametersData> const& in) {
   return result;
 };
 
-
 auto momentum = [](std::vector<ROOT::Math::PxPyPzMVector> const& in) {
   std::vector<double> result;
   for (size_t i = 0; i < in.size(); ++i) {
@@ -40,6 +39,7 @@ auto momentum = [](std::vector<ROOT::Math::PxPyPzMVector> const& in) {
   }
   return result;
 };
+
 auto theta = [](std::vector<ROOT::Math::PxPyPzMVector> const& in) {
   std::vector<double> result;
   for (size_t i = 0; i < in.size(); ++i) {
@@ -47,15 +47,7 @@ auto theta = [](std::vector<ROOT::Math::PxPyPzMVector> const& in) {
   }
   return result;
 };
-auto fourvec = [](ROOT::VecOps::RVec<dd4pod::Geant4ParticleData> const& in) {
-  std::vector<ROOT::Math::PxPyPzMVector> result;
-  ROOT::Math::PxPyPzMVector lv;
-  for (size_t i = 0; i < in.size(); ++i) {
-    lv.SetCoordinates(in[i].ps.x, in[i].ps.y, in[i].ps.z, in[i].mass);
-    result.push_back(lv);
-  }
-  return result;
-};
+
 auto recfourvec = [](ROOT::VecOps::RVec<edm4eic::ReconstructedParticleData> const& in) {
   std::vector<ROOT::Math::PxPyPzMVector> result;
   ROOT::Math::PxPyPzMVector lv;
@@ -89,14 +81,6 @@ void demo(const char* fname = "rec_dvcs.root"){
   PxPyPzMVector p_ebeam = {0,0,-10, 0.000511};
   PxPyPzMVector p_pbeam = {0,0,275,  0.938 };
 
-  auto eprime = [](ROOT::VecOps::RVec<dd4pod::Geant4ParticleData> const& in) {
-    for(const auto& p : in){
-      if(p.pdgID == 11 ) {
-        return PxPyPzMVector(p.ps.x,p.ps.y,p.ps.z,p.mass);
-      }
-    }
-    return PxPyPzMVector(0,0,0,0);
-  };
   auto q_vec = [=](PxPyPzMVector const& p) {
     return p_ebeam - p;
   };