#51390 remove CoreFxPipe_ from prefix51390_io_tests

2 files changed, 3 insertions, 3 deletions

diff --git a/src/libraries/Common/tests/TestUtilities/System/IO/FileCleanupTestBase.cs b/src/libraries/Common/tests/TestUtilities/System/IO/FileCleanupTestBase.cs
index c4901486ed3..855d78f3958 100644
--- a/src/libraries/Common/tests/TestUtilities/System/IO/FileCleanupTestBase.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/IO/FileCleanupTestBase.cs
@@ -169,8 +169,8 @@ namespace System.IO
             }
 
             const int MinUdsPathLength = 104; // required min is 92, but every platform we currently target is at least 104
-            const int MinAvailableForSufficientRandomness = 3; // we want enough randomness in the name to avoid conflicts between concurrent tests
-            string prefix = Path.Combine(Path.GetTempPath(), "CoreFxPipe_");
+            const int MinAvailableForSufficientRandomness = 5; // we want enough randomness in the name to avoid conflicts between concurrent tests
+            string prefix = Path.GetTempPath();
             int availableLength = MinUdsPathLength - prefix.Length - 1; // 1 - for possible null terminator
             Assert.True(availableLength >= MinAvailableForSufficientRandomness, $"UDS prefix {prefix} length {prefix.Length} is too long");
 
diff --git a/src/libraries/System.IO.Pipes/src/System/IO/Pipes/PipeStream.Unix.cs b/src/libraries/System.IO.Pipes/src/System/IO/Pipes/PipeStream.Unix.cs
index 165c9787c68..ad2612917c2 100644
--- a/src/libraries/System.IO.Pipes/src/System/IO/Pipes/PipeStream.Unix.cs
+++ b/src/libraries/System.IO.Pipes/src/System/IO/Pipes/PipeStream.Unix.cs
@@ -30,7 +30,7 @@ namespace System.IO.Pipes
         private static readonly char[] s_invalidPathNameChars = Path.GetInvalidPathChars();
 
         /// <summary>Prefix to prepend to all pipe names.</summary>
-        private static readonly string s_pipePrefix = Path.Combine(Path.GetTempPath(), "CoreFxPipe_");
+        private static readonly string s_pipePrefix = Path.GetTempPath();
 
         public override int Read(byte[] buffer, int offset, int count)
         {