diff --git a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerMultiDirectionalTest.java b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerMultiDirectionalTest.java
index 571d42153f..412772be58 100644
--- a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerMultiDirectionalTest.java
+++ b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerMultiDirectionalTest.java
@@ -145,7 +145,7 @@ public void testRosen() {
                1e-4);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testEllipse() {
         doTest(new OptimTestUtils.Elli(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -155,7 +155,7 @@ public void testEllipse() {
                1e-9);
      }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testElliRotated() {
         doTest(new OptimTestUtils.ElliRotated(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -175,7 +175,7 @@ public void testCigar() {
                1e-6);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testTwoAxes() {
         doTest(new OptimTestUtils.TwoAxes(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -185,7 +185,7 @@ public void testTwoAxes() {
                1e-12);
      }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testCigTab() {
         doTest(new OptimTestUtils.CigTab(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -205,7 +205,7 @@ public void testSphere() {
                1e-6);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testTablet() {
         doTest(new OptimTestUtils.Tablet(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -215,7 +215,7 @@ public void testTablet() {
                1e-9);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testDiffPow() {
         doTest(new OptimTestUtils.DiffPow(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -235,7 +235,7 @@ public void testSsDiffPow() {
                1e-3);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testAckley() {
         doTest(new OptimTestUtils.Ackley(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -245,7 +245,7 @@ public void testAckley() {
                1e-11);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testRastrigin() {
         doTest(new OptimTestUtils.Rastrigin(),
                OptimTestUtils.point(DIM, 1.0, 2e-1),
diff --git a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerNelderMeadTest.java b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerNelderMeadTest.java
index e619c32c15..7bf0383628 100644
--- a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerNelderMeadTest.java
+++ b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizerNelderMeadTest.java
@@ -230,7 +230,7 @@ public void testRosen() {
                1e-6);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testEllipse() {
         doTest(new OptimTestUtils.Elli(),
                OptimTestUtils.point(DIM, 1.0, 2e-1),
@@ -240,7 +240,7 @@ public void testEllipse() {
                1e-6);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testElliRotated() {
         doTest(new OptimTestUtils.ElliRotated(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -260,7 +260,7 @@ public void testCigar() {
                1e-6);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testTwoAxes() {
         doTest(new OptimTestUtils.TwoAxes(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -270,7 +270,7 @@ public void testTwoAxes() {
                1e-14);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testCigTab() {
         doTest(new OptimTestUtils.CigTab(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -290,7 +290,7 @@ public void testSphere() {
                1e-6);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testTablet() {
         doTest(new OptimTestUtils.Tablet(),
                OptimTestUtils.point(DIM, 1.0, 1e-1),
@@ -300,7 +300,7 @@ public void testTablet() {
                1e-14);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testDiffPow() {
         doTest(new OptimTestUtils.DiffPow(),
                OptimTestUtils.point(DIM, 1.0, 2e-1),
@@ -320,7 +320,7 @@ public void testSsDiffPow() {
                1e-3);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testAckley() {
         doTest(new OptimTestUtils.Ackley(),
                OptimTestUtils.point(DIM, 1.0, 2e-1),
@@ -330,7 +330,7 @@ public void testAckley() {
                1e-11);
     }
 
-    @Ignore@Test
+    @Ignore("See MATH-1552")@Test
     public void testRastrigin() {
         doTest(new OptimTestUtils.Rastrigin(),
                OptimTestUtils.point(DIM, 1.0, 2e-1),