diff --git a/src/eva2/tools/math/des/EventDESystem.java b/src/eva2/tools/math/des/EventDESystem.java
index 05db4011..9b267a4d 100644
--- a/src/eva2/tools/math/des/EventDESystem.java
+++ b/src/eva2/tools/math/des/EventDESystem.java
@@ -26,7 +26,7 @@ public interface EventDESystem extends DESystem {
 	 *
 	 * @return Returns an array with delays for the change of concentration due to events
 	 */
-	public List<DESAssignment> processEvents(double t, double Y[], double[] res);
+	public List<DESAssignment> processEvents(double t, double Y[]);
 	
 	public List<DESAssignment>  processAssignmentRules(double t, double Y[]);
 	
diff --git a/src/eva2/tools/math/des/RKEventSolver.java b/src/eva2/tools/math/des/RKEventSolver.java
index a011bad3..165990b2 100644
--- a/src/eva2/tools/math/des/RKEventSolver.java
+++ b/src/eva2/tools/math/des/RKEventSolver.java
@@ -1,7 +1,6 @@
 package eva2.tools.math.des;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 
 import eva2.tools.math.Mathematics;