diff --git a/tests/testMatrixSparse.cpp b/tests/testMatrixSparse.cpp
index 66b9eebc..a46ada9e 100644
--- a/tests/testMatrixSparse.cpp
+++ b/tests/testMatrixSparse.cpp
@@ -216,6 +216,8 @@ int main(int argc, char** argv)
 
     // Remove testing objects
     delete mxn_sparse;
+    delete mxn_empty;
+    delete nullxn_sparse
     delete m2xn_sparse;
     delete m3xn3_sparse;
     delete m4xn4_sparse;
@@ -371,6 +373,8 @@ int main(int argc, char** argv)
 
     // Remove testing objects
     delete mxn_sparse;
+    delete mxn_empty;
+    delete nullxn_sparse
     delete mxn_sparse_2;
     delete m2xn_sparse;
     delete m3xn3_sparse;