diff --git a/src/main/java/neqsim/PVTsimulation/simulation/SlimTubeSim.java b/src/main/java/neqsim/PVTsimulation/simulation/SlimTubeSim.java
index 0f11d52870..b414520698 100644
--- a/src/main/java/neqsim/PVTsimulation/simulation/SlimTubeSim.java
+++ b/src/main/java/neqsim/PVTsimulation/simulation/SlimTubeSim.java
@@ -38,17 +38,18 @@ public SlimTubeSim(SystemInterface tempSystem, SystemInterface injectionGas) {
   public void run() {
     slimTubeNodeSystem = new SystemInterface[numberOfSlimTubeNodes + 1];
 
-    double totalReferenceNodeVolumeAtStadardConditions = 0;
     getThermoSystem().setPressure(1.01325);
     getThermoSystem().setTemperature(288.15);
     thermoOps.TPflash();
-    totalReferenceNodeVolumeAtStadardConditions =
-        getThermoSystem().getPhase(0).getVolume() * numberOfSlimTubeNodes;
 
-    if (getThermoSystem().getNumberOfPhases() > 1) {
-      totalReferenceNodeVolumeAtStadardConditions =
-          getThermoSystem().getPhase(1).getVolume() * numberOfSlimTubeNodes;
-    }
+
+    /*
+     * double totalReferenceNodeVolumeAtStadardConditions; if (getThermoSystem().getNumberOfPhases()
+     * > 1) { totalReferenceNodeVolumeAtStadardConditions =
+     * getThermoSystem().getPhase(1).getVolume() * numberOfSlimTubeNodes; } else {
+     * totalReferenceNodeVolumeAtStadardConditions = getThermoSystem().getPhase(0).getVolume() *
+     * numberOfSlimTubeNodes; }
+     */
 
     getThermoSystem().setPressure(getPressure());
     getThermoSystem().setTemperature(getTemperature());
@@ -71,7 +72,6 @@ public void run() {
     }
 
     slimTubeNodeSystem[numberOfSlimTubeNodes].reset();
-    // slimTubeNodeSystem[numberOfSlimTubeNodes].init(0);
     slimTubeNodeSystem[numberOfSlimTubeNodes].init(1);
 
     ThermodynamicOperations slimOps0 = new ThermodynamicOperations(slimTubeNodeSystem[0]);