diff --git a/src/Main.java b/src/Main.java
index 4cc3b16..19dfcb0 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -23,8 +23,5 @@ public static void main(String[] args) {
             methodProfiles.forEach(mp -> System.out.println(mp.toString()));
 
         }
-        //String test = "C:\\Users\\SBT-Kovalev-DA\\logg.log";
-        //String givenTest = "C:\\Users\\SBT-Kovalev-DA\\Downloads\\test\\testlog.log";
-
     }
 }
diff --git a/src/model/Event.java b/src/model/Event.java
index 4a10d69..2cf107f 100644
--- a/src/model/Event.java
+++ b/src/model/Event.java
@@ -33,5 +33,4 @@ public String getMethodName() {
     public long getInvocationId() {
         return invocationId;
     }
-
 }
diff --git a/src/model/MethodInvocation.java b/src/model/MethodInvocation.java
index ec7e486..9998aa6 100644
--- a/src/model/MethodInvocation.java
+++ b/src/model/MethodInvocation.java
@@ -1,7 +1,6 @@
 package model;
 
 import java.util.Date;
-import java.util.concurrent.TimeUnit;
 
 /**
  * Created by SBT-Kovalev-DA on 19.03.2016.
@@ -22,7 +21,7 @@ public static MethodInvocation ofEvents(Event start, Event end) {
     }
 
     private static long getDateDiff(Date start, Date end) {
-        return end.getTime() - start.getTime();//TimeUnit.MILLISECONDS.toMillis(diffInMillies);
+        return end.getTime() - start.getTime();
     }
 
 
diff --git a/src/service/LogEventParserImpl.java b/src/service/LogEventParserImpl.java
index ca62de6..cf2a38d 100644
--- a/src/service/LogEventParserImpl.java
+++ b/src/service/LogEventParserImpl.java
@@ -13,14 +13,12 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import static java.lang.Integer.valueOf;
-
 /**
  * Created by SBT-Kovalev-DA on 19.03.2016.
  */
 public class LogEventParserImpl implements EventParser {
     private static final String SEPARATOR = " ";
-    private final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss,SSS");
+    private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss,SSS");
 
     @Override
     public List<Event> parseEvents(String fileName) {
diff --git a/src/service/ProfileFromEventsExtractor.java b/src/service/ProfileFromEventsExtractor.java
index c68fb54..1140dac 100644
--- a/src/service/ProfileFromEventsExtractor.java
+++ b/src/service/ProfileFromEventsExtractor.java
@@ -1,11 +1,9 @@
 package service;
 
 import model.Event;
-import model.MethodInvocation;
 import model.MethodProfile;
 
 import java.util.List;
-import java.util.Map;
 
 /**
  * Created by SBT-Kovalev-DA on 19.03.2016.
diff --git a/src/service/ProfileFromEventsExtractorImpl.java b/src/service/ProfileFromEventsExtractorImpl.java
index f3932ba..b901f50 100644
--- a/src/service/ProfileFromEventsExtractorImpl.java
+++ b/src/service/ProfileFromEventsExtractorImpl.java
@@ -13,7 +13,6 @@
 
 import static java.util.stream.Collectors.groupingBy;
 import static java.util.stream.Collectors.toList;
-import static java.util.stream.Collectors.toMap;
 import static model.EventType.ENTRY;
 import static model.EventType.EXIT;
 import static model.MethodInvocation.ofEvents;