diff --git a/core/src/net/sf/openrocket/simulation/AbstractEulerStepper.java b/core/src/net/sf/openrocket/simulation/AbstractEulerStepper.java
index c3668b9b4..c59025989 100644
--- a/core/src/net/sf/openrocket/simulation/AbstractEulerStepper.java
+++ b/core/src/net/sf/openrocket/simulation/AbstractEulerStepper.java
@@ -127,7 +127,7 @@ public abstract class AbstractEulerStepper extends AbstractSimulationStepper {
 				// If acceleration oscillation is building up, the new timestep is the solution of
 				// a + j*t = 0
 				t = Math.abs(a / jerk.z);
-				log.trace("oscillation prevention changes timeStep to " + t);
+				log.trace("oscillation avoidance changes timeStep to " + t);
 			}
 		}
 		
@@ -151,7 +151,6 @@ public abstract class AbstractEulerStepper extends AbstractSimulationStepper {
 		}
 
 		status.setSimulationTime(status.getSimulationTime() + timeStep);
-		status.setPreviousTimeStep(timeStep);
 
 		status.setRocketPosition(newVals.pos);
 		status.setRocketVelocity(newVals.vel);
diff --git a/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java b/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java
index 821bab500..7bb429012 100644
--- a/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java
+++ b/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java
@@ -706,7 +706,6 @@ public class BasicEventSimulationEngine implements SimulationEngine {
 		double d = 0;
 		boolean b = false;
 		d += currentStatus.getSimulationTime();
-		d += currentStatus.getPreviousTimeStep();
 		b |= currentStatus.getRocketPosition().isNaN();
 		b |= currentStatus.getRocketVelocity().isNaN();
 		b |= currentStatus.getRocketOrientationQuaternion().isNaN();
@@ -716,7 +715,6 @@ public class BasicEventSimulationEngine implements SimulationEngine {
 		if (Double.isNaN(d) || b) {
 			log.error("Simulation resulted in NaN value:" +
 					" simulationTime=" + currentStatus.getSimulationTime() +
-					" previousTimeStep=" + currentStatus.getPreviousTimeStep() +
 					" rocketPosition=" + currentStatus.getRocketPosition() +
 					" rocketVelocity=" + currentStatus.getRocketVelocity() +
 					" rocketOrientationQuaternion=" + currentStatus.getRocketOrientationQuaternion() +
diff --git a/core/src/net/sf/openrocket/simulation/SimulationStatus.java b/core/src/net/sf/openrocket/simulation/SimulationStatus.java
index 0aba10023..0db480fd6 100644
--- a/core/src/net/sf/openrocket/simulation/SimulationStatus.java
+++ b/core/src/net/sf/openrocket/simulation/SimulationStatus.java
@@ -44,8 +44,6 @@ public class SimulationStatus implements Monitorable {
 	
 	private double time;
 	
-	private double previousTimeStep;
-	
 	private Coordinate position;
 	private WorldCoordinate worldPosition;
 	private Coordinate velocity;
@@ -105,7 +103,6 @@ public class SimulationStatus implements Monitorable {
 		this.configuration = configuration;
 		
 		this.time = 0;
-		this.previousTimeStep = this.simulationConditions.getTimeStep();
 		this.position = this.simulationConditions.getLaunchPosition();
 		this.velocity = this.simulationConditions.getLaunchVelocity();
 		this.worldPosition = this.simulationConditions.getLaunchSite();
@@ -178,7 +175,6 @@ public class SimulationStatus implements Monitorable {
 		// FlightData is not cloned.
 		this.flightData = orig.flightData;
 		this.time = orig.time;
-		this.previousTimeStep = orig.previousTimeStep;
 		this.position = orig.position;
 		this.acceleration = orig.acceleration;
 		this.worldPosition = orig.worldPosition;
@@ -267,17 +263,6 @@ public class SimulationStatus implements Monitorable {
 		return flightData;
 	}
 	
-	public double getPreviousTimeStep() {
-		return previousTimeStep;
-	}
-	
-	
-	public void setPreviousTimeStep(double previousTimeStep) {
-		this.previousTimeStep = previousTimeStep;
-		this.modID++;
-	}
-	
-	
 	public void setRocketPosition(Coordinate position) {
 		this.position = position;
 		this.modID++;