diff --git a/src/libraries/System.Runtime/tests/System/TimeZoneInfoTests.cs b/src/libraries/System.Runtime/tests/System/TimeZoneInfoTests.cs
index 386ca83b3771f1..0618def24946d1 100644
--- a/src/libraries/System.Runtime/tests/System/TimeZoneInfoTests.cs
+++ b/src/libraries/System.Runtime/tests/System/TimeZoneInfoTests.cs
@@ -2335,7 +2335,7 @@ public static IEnumerable<object[]> SystemTimeZonesTestData()
                     }
                 }
 
-                if (!PlatformDetection.IsBrowser)
+                if (!PlatformDetection.IsBrowser && !PlatformDetection.IsiOS && !PlatformDetection.IstvOS)
                 {
                     foreach (string alias in s_UtcAliases)
                     {