diff --git a/app/src/main/java/sudoku/Solver.java b/app/src/main/java/sudoku/Solver.java
index 13631c9..23f2134 100644
--- a/app/src/main/java/sudoku/Solver.java
+++ b/app/src/main/java/sudoku/Solver.java
@@ -1,7 +1,5 @@
 package sudoku;
 
-import java.util.stream.IntStream;
-
 public class Solver implements SudokuSolver {
     private int[][] board;