diff --git a/src/System.Private.CoreLib/shared/System/Collections/Concurrent/ConcurrentQueueSegment.cs b/src/System.Private.CoreLib/shared/System/Collections/Concurrent/ConcurrentQueueSegment.cs
index 85224a537a5..c724285c7ed 100644
--- a/src/System.Private.CoreLib/shared/System/Collections/Concurrent/ConcurrentQueueSegment.cs
+++ b/src/System.Private.CoreLib/shared/System/Collections/Concurrent/ConcurrentQueueSegment.cs
@@ -193,7 +193,7 @@ public bool TryDequeue(out T item)
}
// Lost a race. Spin a bit, then try again.
- spinner.SpinOnce();
+ spinner.SpinOnce(sleep1Threshold: -1);
}
}
@@ -254,7 +254,7 @@ public bool TryPeek(out T result, bool resultUsed)
}
// Lost a race. Spin a bit, then try again.
- spinner.SpinOnce();
+ spinner.SpinOnce(sleep1Threshold: -1);
}
}
@@ -311,7 +311,7 @@ public bool TryEnqueue(T item)
}
// Lost a race. Spin a bit, then try again.
- spinner.SpinOnce();
+ spinner.SpinOnce(sleep1Threshold: -1);
}
}
diff --git a/src/System.Private.CoreLib/shared/System/Threading/ManualResetEventSlim.cs b/src/System.Private.CoreLib/shared/System/Threading/ManualResetEventSlim.cs
index dab6bd9a4f0..dd3de830588 100644
--- a/src/System.Private.CoreLib/shared/System/Threading/ManualResetEventSlim.cs
+++ b/src/System.Private.CoreLib/shared/System/Threading/ManualResetEventSlim.cs
@@ -551,7 +551,7 @@ public bool Wait(int millisecondsTimeout, CancellationToken cancellationToken)
var spinner = new SpinWait();
while (spinner.Count < spinCount)
{
- spinner.SpinOnce(SpinWait.Sleep1ThresholdForLongSpinBeforeWait);
+ spinner.SpinOnce(sleep1Threshold: -1);
if (IsSet)
{
@@ -720,7 +720,7 @@ private void UpdateStateAtomically(int newBits, int updateBitsMask)
return;
}
- sw.SpinOnce();
+ sw.SpinOnce(sleep1Threshold: -1);
} while (true);
}
diff --git a/src/System.Private.CoreLib/shared/System/Threading/SpinWait.cs b/src/System.Private.CoreLib/shared/System/Threading/SpinWait.cs
index ad252535480..01e71d1f002 100644
--- a/src/System.Private.CoreLib/shared/System/Threading/SpinWait.cs
+++ b/src/System.Private.CoreLib/shared/System/Threading/SpinWait.cs
@@ -89,16 +89,6 @@ public struct SpinWait
///
internal static readonly int SpinCountforSpinBeforeWait = PlatformHelper.IsSingleProcessor ? 1 : 35;
- ///
- /// Typically, Sleep(1) should not be issued for a spin-wait before a proper wait because it is usually more beneficial
- /// to just issue the proper wait. For longer spin-waits (when the spin count is configurable), this value may be used as
- /// a threshold for issuing Sleep(1).
- ///
- ///
- /// Should be greater than so that Sleep(1) would not be used by default.
- ///
- internal const int Sleep1ThresholdForLongSpinBeforeWait = 40;
-
// The number of times we've spun already.
private int _count;