diff --git a/src/libraries/System.Private.CoreLib/src/System/IO/MemoryStream.cs b/src/libraries/System.Private.CoreLib/src/System/IO/MemoryStream.cs
index 53f717dfe80a4e..31a5fc7513ae67 100644
--- a/src/libraries/System.Private.CoreLib/src/System/IO/MemoryStream.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/IO/MemoryStream.cs
@@ -44,7 +44,6 @@ public MemoryStream()
         public MemoryStream(int capacity)
         {
             ArgumentOutOfRangeException.ThrowIfNegative(capacity);
-            ArgumentOutOfRangeException.ThrowIfGreaterThan(capacity, MemStreamMaxLength);
 
             _buffer = capacity != 0 ? new byte[capacity] : Array.Empty<byte>();
             _capacity = capacity;
diff --git a/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs b/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs
index ee77811f224290..a6cac02f63a2e3 100644
--- a/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs
+++ b/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs
@@ -160,9 +160,9 @@ public void MemoryStream_CapacityBoundaryChecks()
                 ms.Capacity = MaxSupportedLength;
                 Assert.Equal(MaxSupportedLength, ms.Capacity);
 
-                Assert.Throws<ArgumentOutOfRangeException>(() => ms.Capacity = MaxSupportedLength + 1);
+                Assert.Throws<OutOfMemoryException>(() => ms.Capacity = MaxSupportedLength + 1);
 
-                Assert.Throws<ArgumentOutOfRangeException>(() => ms.Capacity = int.MaxValue);
+                Assert.Throws<OutOfMemoryException>(() => ms.Capacity = int.MaxValue);
             }
         }