Removing unnecessary conditional check (#122271)

WeihanLi · web-flow · commit 04df455c83b4 · 2025-12-07T16:23:56.000Z
Removed preprocessor directive for ArgumentNullException check.
diff --git a/src/libraries/Common/src/System/TimeProvider.cs b/src/libraries/Common/src/System/TimeProvider.cs
@@ -159,11 +159,7 @@ public TimeSpan GetElapsedTime(long startingTimestamp, long endingTimestamp)
         /// </remarks>
         public virtual ITimer CreateTimer(TimerCallback callback, object? state, TimeSpan dueTime, TimeSpan period)
         {
-#if SYSTEM_PRIVATE_CORELIB
-            ArgumentNullException.ThrowIfNull(callback);
-#else
             ArgumentNullException.ThrowIfNull(callback);
-#endif // SYSTEM_PRIVATE_CORELIB
 
             return new SystemTimeProviderTimer(dueTime, period, callback, state);
         }

Original file line number	Diff line number	Diff line change
`@@ -159,11 +159,7 @@ public TimeSpan GetElapsedTime(long startingTimestamp, long endingTimestamp)`
`159`	`159`	`/// </remarks>`
`160`	`160`	`public virtual ITimer CreateTimer(TimerCallback callback, object? state, TimeSpan dueTime, TimeSpan period)`
`161`	`161`	`{`
`162`		`-#if SYSTEM_PRIVATE_CORELIB`
`163`		`- ArgumentNullException.ThrowIfNull(callback);`
`164`		`-#else`
`165`	`162`	`ArgumentNullException.ThrowIfNull(callback);`
`166`		`-#endif // SYSTEM_PRIVATE_CORELIB`
`167`	`163`
`168`	`164`	`return new SystemTimeProviderTimer(dueTime, period, callback, state);`
`169`	`165`	`}`