diff --git a/test/full/fitcentroid/cylinder/cylinder.geo b/test/full/fitcentroid/cylinder/cylinder.geo
index 4cb29979..24e907ed 100644
--- a/test/full/fitcentroid/cylinder/cylinder.geo
+++ b/test/full/fitcentroid/cylinder/cylinder.geo
@@ -12,7 +12,7 @@ invisible: 1,
 
 {
 name: "GEO",
-index: "water",
+index: "detector",
 valid_begin: [0, 0],
 valid_end: [0, 0],
 mother: "world",
@@ -27,10 +27,10 @@ color: [0.4, 0.4, 0.6, 0.1],
 // use an inner volume to speed up simulation.
 {
 name: "GEO",
-index: "water_inner",
+index: "detector_inner",
 valid_begin: [0, 0],
 valid_end: [0, 0],
-mother: "water",
+mother: "detector",
 type: "tube",
 r_max: 2500.0,
 size_z: 2500.0,
@@ -45,7 +45,7 @@ name: "GEO",
 index: "pmts", 
 valid_begin: [0, 0], 
 valid_end: [0, 0], 
-mother: "water", 
+mother: "detector", 
 type: "pmtarray", 
 pmt_model: "r1408", 
 pmt_detector_type: "idpmt",
diff --git a/test/full/fitcentroid/fitcentroid.C b/test/full/fitcentroid/fitcentroid.C
index 7521c445..a34d0a73 100644
--- a/test/full/fitcentroid/fitcentroid.C
+++ b/test/full/fitcentroid/fitcentroid.C
@@ -1,29 +1,3 @@
-// void make_plots(TFile *event_file, TTree *T, TFile *out_file)
-// {
-//   TH1F *hCenterRes = new TH1F("hCenterRes", "20 keVee electrons at the center;Reconstructed X (mm);Events per bin",
-//   40, -800, 800); TProfile *hReconVsRadius = new TProfile("hReconVsRadius", "20 keVee electrons (error bars are
-//   RMS);(Radius/437 mm)**3;Reconstructed X - True X (mm)", 5, 0, 1, "s"); TProfile *hReconVsEnergy = new
-//   TProfile("hReconVsEnergy", "Electrons at center (error bars are RMS);Kinetic energy (keVee);Reconstructed X (mm)",
-//   5, 20, 100,"s");
-//
-//   T->Draw("ev.centroid.pos.fX>>hCenterRes","mc.particle.ke < 0.0205 && mc.particle.pos.fX < 0.05","goff");
-//   T->Draw("ev.centroid.pos.fX-mc.particle.pos.fX:(mc.particle.pos.Mag()/437)>>hReconVsRadius","mc.particle.ke <
-//   0.0205 && mc.particle.pos.fX > 0.05","goff prof");
-//   T->Draw("ev.centroid.pos.fX:mc.particle.ke*1000>>hReconVsEnergy","mc.particle.ke > 0.0205 && mc.particle.pos.fX <
-//   0.05","goff prof");
-//
-//   hCenterRes->Fit("gaus");
-//   hReconVsRadius->SetMinimum(-200);
-//   hReconVsRadius->SetMaximum(200);
-//   hReconVsEnergy->SetMinimum(-200);
-//   hReconVsEnergy->SetMaximum(200);
-//
-//   out_file->cd();
-//   hCenterRes->Write();
-//   hReconVsRadius->Write();
-//   hReconVsEnergy->Write();
-// }
-
 void fitcentroid(std::string event_filename, std::string out_filename) {
   TFile *event_file = new TFile(event_filename.c_str(), "READ");
   TTree *T = (TTree *)event_file->Get("T");