diff --git a/Source/Generators/LMCCavitySignalGenerator.cc b/Source/Generators/LMCCavitySignalGenerator.cc
index c4946163..945afec9 100644
--- a/Source/Generators/LMCCavitySignalGenerator.cc
+++ b/Source/Generators/LMCCavitySignalGenerator.cc
@@ -316,7 +316,6 @@ namespace locust
     	fInterface->aRunParameter->fSamplingRateMHz = fAcquisitionRate;
     	fInterface->aRunParameter->fDecimationFactor = aSignal->DecimationFactor();
     	fInterface->aRunParameter->fLOfrequency = fLO_Frequency;
-    	fInterface->aRunParameter->fRandomSeed = fTrackDelaySeed;
 #endif
     	return true;
     }
diff --git a/Source/IO/LMCEvent.cc b/Source/IO/LMCEvent.cc
index 9dc8b0ca..a88e65db 100644
--- a/Source/IO/LMCEvent.cc
+++ b/Source/IO/LMCEvent.cc
@@ -23,7 +23,7 @@ namespace locust
     }
     Event::~Event() {}
 
-    bool Event::Initialize()
+    bool Event::Initialize(long int aSeed)
     {
         time_t rawtime;
         struct tm * timeInfo;
@@ -39,9 +39,8 @@ namespace locust
         int tMicrosec = tv.tv_usec;
 
         fEventID = 1e12 + tDay*1e10 + tMonth*1e8 + tYear*1e6 + tMicrosec;
-        fRandomSeed = -99;
+        fRandomSeed = aSeed;
         fLOFrequency = -99.;
-        fRandomSeed = -99;
         return true;
     }
 
@@ -65,11 +64,8 @@ namespace locust
         fRadii.push_back( aTrack->Radius );
         fRadialPhases.push_back( aTrack->RadialPhase );
 
-        // Update size.  And, record fLOFrequency for compatibility with previous work.  The LO frequency is
-        // now also recorded in the RunParameters Tree.
+        // Update size.
         fNTracks = fStartFrequencies.size();
-        fLOFrequency = aTrack->LOFrequency;
-        fRandomSeed = aTrack->RandomSeed;
     }
 
     void Event::AddTrack(const Track aTrack)  // Phase II structure
diff --git a/Source/IO/LMCEvent.hh b/Source/IO/LMCEvent.hh
index 3169bb42..9591b614 100644
--- a/Source/IO/LMCEvent.hh
+++ b/Source/IO/LMCEvent.hh
@@ -32,13 +32,13 @@ namespace locust
             Event();
             virtual ~Event();
 
-            bool Initialize();
+            bool Initialize(long int aSeed);
             void AddTrack(const Track* aTrack);
             void AddTrack(const Track aTrack);
 
             long int fEventID;
             double fLOFrequency;
-            int fRandomSeed;
+            long int fRandomSeed;
 
             std::vector<int> fTrackIDs;
             std::vector<double> fStartingEnergies_eV;
diff --git a/Source/IO/LMCRootTreeWriter.cc b/Source/IO/LMCRootTreeWriter.cc
index c95fc673..be36ba11 100644
--- a/Source/IO/LMCRootTreeWriter.cc
+++ b/Source/IO/LMCRootTreeWriter.cc
@@ -69,7 +69,7 @@ namespace locust
         aTree->Branch("TrackLengths", "std::vector<double>", &anEvent->fTrackLengths);
         aTree->Branch("Slopes", "std::vector<double>", &anEvent->fSlopes);
         aTree->Branch("LOFrequency", &anEvent->fLOFrequency, "LOFrequency/D");
-        aTree->Branch("RandomSeed", &anEvent->fRandomSeed, "RandomSeed/I");
+        aTree->Branch("RandomSeed", &anEvent->fRandomSeed, "RandomSeed/L");
         aTree->Branch("TrackPower", "std::vector<double>", &anEvent->fTrackPowers);
         aTree->Branch("PitchAngles", "std::vector<double>", &anEvent->fPitchAngles);
         aTree->Branch("Radii", "std::vector<double>", &anEvent->fRadii);
diff --git a/Source/IO/LMCRunParameters.hh b/Source/IO/LMCRunParameters.hh
index d7301ed4..867202de 100644
--- a/Source/IO/LMCRunParameters.hh
+++ b/Source/IO/LMCRunParameters.hh
@@ -30,7 +30,6 @@ namespace locust
             double fLOfrequency;
             double fSamplingRateMHz;
             double fDecimationFactor;
-            int fRandomSeed;
 
             ClassDef(RunParameters,1)  // Root syntax.
 
diff --git a/Source/IO/LMCTrack.cc b/Source/IO/LMCTrack.cc
index 70ec7d7c..dfe53181 100644
--- a/Source/IO/LMCTrack.cc
+++ b/Source/IO/LMCTrack.cc
@@ -24,7 +24,6 @@ namespace locust
     bool Track::Initialize()
     {
         TrackID += 1;
-        RandomSeed = -99.;
         StartTime = -99.;
         EndTime = -99.;
         TrackLength = -99.;
@@ -35,7 +34,6 @@ namespace locust
         AvgFrequency = 0.;
         OutputAvgFrequency = 0.;
         AvgAxialFrequency = 0.;
-        LOFrequency = -99.;
         TrackPower = -99.;
         Slope = -99.;
         PitchAngle = -99.;
diff --git a/Source/IO/LMCTrack.hh b/Source/IO/LMCTrack.hh
index 3490ca4e..e9d5f722 100644
--- a/Source/IO/LMCTrack.hh
+++ b/Source/IO/LMCTrack.hh
@@ -30,7 +30,6 @@ namespace locust
             virtual ~Track();
             bool Initialize();
             int TrackID;
-            int RandomSeed = -99.;
             double StartTime = -99.;
             double EndTime = -99.;
             double TrackLength = -99.;
diff --git a/Source/Kassiopeia/LMCCyclotronRadiationExtractor.cc b/Source/Kassiopeia/LMCCyclotronRadiationExtractor.cc
index 8e982437..3fc6db83 100644
--- a/Source/Kassiopeia/LMCCyclotronRadiationExtractor.cc
+++ b/Source/Kassiopeia/LMCCyclotronRadiationExtractor.cc
@@ -149,8 +149,6 @@ namespace locust
                 fInterface->aTrack->StartFrequency = aFinalParticle.GetCyclotronFrequency();
                 double tLOfrequency = fInterface->aRunParameter->fLOfrequency; // Hz
                 double tSamplingRate = fInterface->aRunParameter->fSamplingRateMHz; // MHz
-                fInterface->aTrack->LOFrequency = tLOfrequency;
-                fInterface->aTrack->RandomSeed = fInterface->aRunParameter->fRandomSeed;
                 fInterface->aTrack->OutputStartFrequency = fInterface->aTrack->StartFrequency - tLOfrequency + tSamplingRate * 1.e6 / 2.;
 #endif
             }
diff --git a/Source/Kassiopeia/LMCEventHold.cc b/Source/Kassiopeia/LMCEventHold.cc
index 7833b101..bf343299 100644
--- a/Source/Kassiopeia/LMCEventHold.cc
+++ b/Source/Kassiopeia/LMCEventHold.cc
@@ -18,6 +18,7 @@ namespace locust
             fTruthOutputFilename("LocustEventProperties.root"),
             fAccumulateTruthInfo( false ),
             fConfigurationComplete( false ),
+            fEventSeed( 0 ),
             fInterface( KLInterfaceBootstrapper::get_instance()->GetInterface() )
     {
     }
@@ -26,6 +27,7 @@ namespace locust
             fTruthOutputFilename("LocustEventProperties.root"),
             fAccumulateTruthInfo( false ),
             fConfigurationComplete( false ),
+            fEventSeed( 0 ),
             fInterface( aOrig.fInterface )
     {
     }
@@ -71,7 +73,11 @@ namespace locust
     {
 	    if ( aParam.has( "random-track-seed" ) )
 	    {
-	    	fInterface->anEvent->fRandomSeed = aParam["random-track-seed"]().as_int();
+	    	fEventSeed = aParam["random-track-seed"]().as_int();
+	    }
+	    else
+	    {
+	        fEventSeed = -99;
 	    }
 	    if ( aParam.has( "truth-output-filename" ) )
 	    {
@@ -92,7 +98,7 @@ namespace locust
     {
 #ifdef ROOT_FOUND
         fInterface->anEvent = new Event();
-        fInterface->anEvent->Initialize();
+        fInterface->anEvent->Initialize( fEventSeed );
         fInterface->aTrack = new Track();
         fInterface->aTrack->Initialize();
 #endif
diff --git a/Source/Kassiopeia/LMCEventHold.hh b/Source/Kassiopeia/LMCEventHold.hh
index da159df6..5d490394 100644
--- a/Source/Kassiopeia/LMCEventHold.hh
+++ b/Source/Kassiopeia/LMCEventHold.hh
@@ -11,6 +11,7 @@
 #include "KSEventModifier.h"
 #include "KSComponentTemplate.h"
 
+
 #include "LMCKassLocustInterface.hh"
 
 #ifdef ROOT_FOUND
@@ -49,6 +50,7 @@ namespace locust
 
         private:
             bool fConfigurationComplete;
+            long int fEventSeed;
 
     };