diff --git a/prism/src/prism/Prism.java b/prism/src/prism/Prism.java
index 1a5fd6f2..86ebf923 100644
--- a/prism/src/prism/Prism.java
+++ b/prism/src/prism/Prism.java
@@ -26,8 +26,6 @@
 
 package prism;
 
-import hybrid.PrismHybrid;
-
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
@@ -35,16 +33,23 @@ import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.List;
 
+import dv.DoubleVector;
+import explicit.CTMC;
+import explicit.CTMCModelChecker;
+import explicit.ConstructModel;
+import explicit.DTMC;
+import explicit.DTMCModelChecker;
+import explicit.FastAdaptiveUniformisation;
+import explicit.FastAdaptiveUniformisationModelChecker;
+import hybrid.PrismHybrid;
 import jdd.JDD;
 import jdd.JDDNode;
 import jdd.JDDVars;
 import mtbdd.PrismMTBDD;
 import odd.ODDUtils;
-import param.BigRational;
 import param.ModelBuilder;
 import param.ParamModelChecker;
 import param.ParamResult;
-import param.RegionValues;
 import parser.ExplicitFiles2ModulesFile;
 import parser.PrismParser;
 import parser.State;
@@ -55,7 +60,6 @@ import parser.ast.LabelList;
 import parser.ast.ModulesFile;
 import parser.ast.PropertiesFile;
 import parser.ast.Property;
-import parser.type.TypeBool;
 import pta.DigitalClocks;
 import pta.PTAModelChecker;
 import simulator.GenerateSimulationPath;
@@ -64,14 +68,6 @@ import simulator.SimulatorEngine;
 import simulator.method.SimulationMethod;
 import sparse.PrismSparse;
 import strat.Strategy;
-import dv.DoubleVector;
-import explicit.CTMC;
-import explicit.CTMCModelChecker;
-import explicit.ConstructModel;
-import explicit.DTMC;
-import explicit.DTMCModelChecker;
-import explicit.FastAdaptiveUniformisation;
-import explicit.FastAdaptiveUniformisationModelChecker;
 
 /**
  * Main class for all PRISM's core functionality.