diff --git a/myMatrix.h b/myMatrix.h
deleted file mode 100644
index e22d2c9..0000000
--- a/myMatrix.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#include<stdio.h>
-#include<time.h>
-#include<stdlib.h>
-
-void matrixOutput(int matrixArr[9][9]);
-void matrixRandomInit(int matrixArr[9][9]);
-int checkMatrix(int matrixArr[9][9], int isPrintInfo);
\ No newline at end of file