diff --git a/prism/src/simulator/SimulatorEngine.java b/prism/src/simulator/SimulatorEngine.java
index 35773cab..d41e85b7 100644
--- a/prism/src/simulator/SimulatorEngine.java
+++ b/prism/src/simulator/SimulatorEngine.java
@@ -29,8 +29,6 @@ package simulator;
 import java.util.*;
 import java.io.*;
 
-import javax.swing.plaf.basic.BasicInternalFrameTitlePane.MaximizeAction;
-
 import simulator.method.*;
 import simulator.sampler.*;
 import parser.*;