diff --git a/src/UnitTests/LinearAlgebraProviderTests/Complex/LinearAlgebraProviderTests.cs b/src/UnitTests/LinearAlgebraProviderTests/Complex/LinearAlgebraProviderTests.cs
index 678bee80..989bcb3d 100644
--- a/src/UnitTests/LinearAlgebraProviderTests/Complex/LinearAlgebraProviderTests.cs
+++ b/src/UnitTests/LinearAlgebraProviderTests/Complex/LinearAlgebraProviderTests.cs
@@ -1694,7 +1694,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraProviderTests.Complex
 
         [TestCase("Wide10x50000", "Tall50000x10")]
         [TestCase("Square1000x1000", "Square1000x1000")]
-        [Timeout(1000*20)]
+        [Explicit, Timeout(1000*10)]
         public void IsMatrixMultiplicationPerformant(string leftMatrixKey, string rightMatrixKey)
         {
             var leftMatrix = _matrices[leftMatrixKey];
diff --git a/src/UnitTests/LinearAlgebraProviderTests/Complex32/LinearAlgebraProviderTests.cs b/src/UnitTests/LinearAlgebraProviderTests/Complex32/LinearAlgebraProviderTests.cs
index d306bb83..242b9e0e 100644
--- a/src/UnitTests/LinearAlgebraProviderTests/Complex32/LinearAlgebraProviderTests.cs
+++ b/src/UnitTests/LinearAlgebraProviderTests/Complex32/LinearAlgebraProviderTests.cs
@@ -1703,7 +1703,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraProviderTests.Complex32
 
         [TestCase("Wide10x50000", "Tall50000x10")]
         [TestCase("Square1000x1000", "Square1000x1000")]
-        [Timeout(1000*20)]
+        [Explicit, Timeout(1000*10)]
         public void IsMatrixMultiplicationPerformant(string leftMatrixKey, string rightMatrixKey)
         {
             var leftMatrix = _matrices[leftMatrixKey];
diff --git a/src/UnitTests/LinearAlgebraProviderTests/Double/LinearAlgebraProviderTests.cs b/src/UnitTests/LinearAlgebraProviderTests/Double/LinearAlgebraProviderTests.cs
index 0f4c1e4e..ab2247fd 100644
--- a/src/UnitTests/LinearAlgebraProviderTests/Double/LinearAlgebraProviderTests.cs
+++ b/src/UnitTests/LinearAlgebraProviderTests/Double/LinearAlgebraProviderTests.cs
@@ -1695,7 +1695,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraProviderTests.Double
 
         [TestCase("Wide10x50000", "Tall50000x10")]
         [TestCase("Square1000x1000", "Square1000x1000")]
-        [Timeout(1000*10)]
+        [Explicit, Timeout(1000*5)]
         public void IsMatrixMultiplicationPerformant(string leftMatrixKey, string rightMatrixKey)
         {
             var leftMatrix = _matrices[leftMatrixKey];
diff --git a/src/UnitTests/LinearAlgebraProviderTests/Single/LinearAlgebraProviderTests.cs b/src/UnitTests/LinearAlgebraProviderTests/Single/LinearAlgebraProviderTests.cs
index f36d64b5..49dbd85a 100644
--- a/src/UnitTests/LinearAlgebraProviderTests/Single/LinearAlgebraProviderTests.cs
+++ b/src/UnitTests/LinearAlgebraProviderTests/Single/LinearAlgebraProviderTests.cs
@@ -1702,7 +1702,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraProviderTests.Single
 
         [TestCase("Wide10x50000", "Tall50000x10")]
         [TestCase("Square1000x1000", "Square1000x1000")]
-        [Timeout(1000*10)]
+        [Explicit, Timeout(1000*5)]
         public void IsMatrixMultiplicationPerformant(string leftMatrixKey, string rightMatrixKey)
         {
             var leftMatrix = _matrices[leftMatrixKey];