diff --git a/UVa/JollyJumper.java b/UVa/JollyJumper.java
index 241bb831..7e7ded75 100644
--- a/UVa/JollyJumper.java
+++ b/UVa/JollyJumper.java
@@ -17,19 +17,6 @@
 Not jolly*/
 //https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=979
 
-import static java.lang.Integer.parseInt;
-import static java.lang.System.exit;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.io.PrintWriter;
-import java.util.HashSet;
-import java.util.Scanner;
-import java.util.Set;
-import java.util.StringTokenizer;
-
 public class JollyJumper {
 
 	public static void main(String[] args) {