diff --git a/adapters/src/test/java/my/MyTest.java b/adapters/src/test/java/my/MyTest.java
deleted file mode 100644
index a369d0ee..00000000
--- a/adapters/src/test/java/my/MyTest.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package my;
-
-import org.testng.annotations.Test;
-import org.ujmp.core.Matrix;
-import org.ujmp.core.SparseMatrix;
-
-public class MyTest {
-
-    @Test
-    public void test() {
-        int n = 200*1000*1000;
-        SparseMatrix m = SparseMatrix.Factory.zeros(n, n);
-
-        m.setAsInt(1, 0, 0);
-        m.setAsInt(1, 0, 1);
-        m.setAsInt(1, 1, 0);
-        m.setAsInt(1, 1, 1);
-        final Matrix m1m1 = m.mtimes(m);
-
-        System.out.println(m1m1);
-    }
-
-}