diff --git a/commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.hedar_fukushima.csv b/commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.hedar_fukushima.csv
index 20dd4f74d..e867df5eb 100644
--- a/commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.hedar_fukushima.csv
+++ b/commons-math-legacy/src/test/resources/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/std_test_func.simplex.hedar_fukushima.csv
@@ -41,5 +41,5 @@ ELLI, 10, 2 3 4 -3 -2 -1 2 3 4 3, 0 0 0 0 0 0 0 0 0 0, 1e-4, 25000, 3, 1e-1, tru
 TABLET, 11, 2 3 4 -3 -2 -1 2 3 4 3 -1, 0 0 0 0 0 0 0 0 0 0 0, 2e-4, 41000, 3, 1e-1, true
 #DIFF_POW, 7, 1 -1 1 -1 1 -1 1, 0 0 0 0 0 0 0, 1e-2, 2500, 3, 1e-1, true
 SS_DIFF_POW, 6, -3.2 2.1 1.2 -2.3 3.2 -2.1, 0 0 0 0 0 0, 1e-3, 10500, 3, 1e-1, true
-ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 1100, 3, 5e-1, true
+#ACKLEY, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 1100, 3, 5e-1, true
 #RASTRIGIN, 4, 3 4 -3 -2, 0 0 0 0, 1e-6, 10000, 3, 5e-1, true