diff --git a/src/Sudoku.Console/ConsoleApplication.cs b/src/Sudoku.Console/ConsoleApplication.cs
index 9fa9c20..81802f7 100644
--- a/src/Sudoku.Console/ConsoleApplication.cs
+++ b/src/Sudoku.Console/ConsoleApplication.cs
@@ -304,8 +304,6 @@ private void GeneratePuzzles(int clues, int puzzleCount)
             {
                 lock (_consoleLock)
                 {
-                    count++;
-
                     System.Console.CursorTop = 3;
 
                     System.Console.WriteLine($" Puzzle {count:N0}/{puzzleCount:N0}.               \n");