diff --git a/src/main/java/ab1/impl/GRUPPE/NFAImpl.java b/src/main/java/ab1/impl/GRUPPE/NFAImpl.java
index d92ce1e..04997b6 100644
--- a/src/main/java/ab1/impl/GRUPPE/NFAImpl.java
+++ b/src/main/java/ab1/impl/GRUPPE/NFAImpl.java
@@ -5,9 +5,7 @@ import ab1.NFA;
 import ab1.Transition;
 import lombok.Getter;
 
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.*;
 
 public class NFAImpl implements NFA {
     private Set<String> states;