diff --git a/gtsam/linear/tests/testHessianFactorUnordered.cpp b/gtsam/linear/tests/testHessianFactorUnordered.cpp
index 4cd3b807c..faa1ebd65 100644
--- a/gtsam/linear/tests/testHessianFactorUnordered.cpp
+++ b/gtsam/linear/tests/testHessianFactorUnordered.cpp
@@ -460,7 +460,7 @@ TEST(HessianFactor, hessianDiagonal)
 
   HessianFactor factor(0, 1, G11, G12, g1, G22, g2, f);
 
-  VectorValues expected; // Make explicit that diagonal is sum-squares of columns
+  VectorValues expected;
   expected.insert(0, (Vector(1) << 1));
   expected.insert(1, (Vector(2) << 1,1));
   EXPECT(assert_equal(expected, factor.hessianDiagonal()));