diff --git a/test/matrix/test_m_cumulate.scad b/test/matrix/test_m_cumulate.scad
deleted file mode 100644
index e03d792a..00000000
--- a/test/matrix/test_m_cumulate.scad
+++ /dev/null
@@ -1,18 +0,0 @@
-use <unittest.scad>;
-use <matrix/m_rotation.scad>;
-use <matrix/m_scaling.scad>;
-use <matrix/m_translation.scad>;
-use <matrix/m_cumulate.scad>;
-
-module test_m_cumulate() {
-    echo("==== test_m_cumulate ====");
-
-    expected = [[1, -1.73205, 0, 10], [1.73205, 1, 0, 20], [0, 0, 2, 10], [0, 0, 0, 1]];
-    actual = m_cumulate([
-        m_translation([10, 20, 10]), m_scaling(2), m_rotation(60)]
-    );
-    
-    assertEqualPoints(expected, actual);
-}
-
-test_m_cumulate();
\ No newline at end of file