diff --git a/tests.runsettings b/tests.runsettings
index 14974e19f..036b7d704 100644
--- a/tests.runsettings
+++ b/tests.runsettings
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RunSettings>
   <xUnit>
-    <ParallelAlgorithm>aggressive</ParallelAlgorithm>
     <ShowLiveOutput>true</ShowLiveOutput>
   </xUnit>
   <RunConfiguration>