diff --git a/src/matrix/2x2matrix.h b/src/matrix/2x2matrix.h
deleted file mode 100644
index 04f5db5f032c2aa6f8f277affb916a2fdff199a5..0000000000000000000000000000000000000000
--- a/src/matrix/2x2matrix.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef _2X2MATRIX_H
-#define _2X2MATRIX_H
-#define MATRIXCACHE2X2 10
-#include <stdint.h>
-typedef struct{
-    float a11,a12,
-        a21,a22;
-}_2x2Matrix;
-
-typedef struct{
-    float a11,
-        a21;
-}_2x1Matrix;
-
-_2x2Matrix add_2x2(_2x2Matrix m1, _2x2Matrix m2);
-_2x2Matrix minus_2x2(_2x2Matrix m1, _2x2Matrix m2);
-_2x2Matrix multiply_2x2(_2x2Matrix m1, _2x2Matrix m2);
-_2x2Matrix scale_2x2(_2x2Matrix m1, float scale);
-float det_2x2(_2x2Matrix m);
-_2x2Matrix inverse_2x2(_2x2Matrix m);
-_2x1Matrix transpose_2x2(_2x2Matrix m1, _2x1Matrix m2);
-unsigned char equals_2x2(_2x2Matrix m1, _2x2Matrix m2);
-
-#endif //_2X2MATRIX_H