diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
index 3e30919..34a1d28 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
@@ -1,13 +1,8 @@
 package org.ntlab.traceCollector.handlers;
 
-import java.io.File;
 import java.io.IOException;
 import java.net.URI;
 
-import javassist.ClassPool;
-import javassist.CodeConverter;
-import javassist.NotFoundException;
-
 import org.eclipse.core.commands.AbstractHandler;
 import org.eclipse.core.commands.ExecutionEvent;
 import org.eclipse.core.commands.ExecutionException;
@@ -18,17 +13,17 @@
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.JavaModelException;
-import org.eclipse.jdt.internal.core.JavaProject;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.ui.handlers.HandlerUtil;
 import org.ntlab.traceCollector.Activator;
 import org.ntlab.traceCollector.tracer.ITraceGenerator;
-import org.ntlab.traceCollector.tracer.JSONTraceGenerator;
-import org.ntlab.traceCollector.tracer.OnlineTraceGenerator;
 import org.ntlab.traceCollector.tracer.OutputStatementsGenerator;
 import org.ntlab.traceCollector.tracer.Tracer;
 
+import javassist.ClassPool;
+import javassist.NotFoundException;
+
 /**
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  *