diff --git a/src/coverlet.core/CoverageTracker.cs b/src/coverlet.core/CoverageTracker.cs
index d45ad6dae..2107a7e6e 100644
--- a/src/coverlet.core/CoverageTracker.cs
+++ b/src/coverlet.core/CoverageTracker.cs
@@ -15,7 +15,6 @@ public static class CoverageTracker
         static CoverageTracker()
         {
             _markers = new Dictionary<string, List<string>>();
-            AppDomain.CurrentDomain.ProcessExit += new EventHandler(CurrentDomain_ProcessExit);
         }
 
         [ExcludeFromCoverage]
@@ -25,13 +24,8 @@ public static void MarkExecuted(string path, string marker)
             {
                 _markers.TryAdd(path, new List<string>());
                 _markers[path].Add(marker);
+                File.WriteAllLines(path, _markers[path]);
             }
         }
-
-        public static void CurrentDomain_ProcessExit(object sender, EventArgs e)
-        {
-            foreach (var kvp in _markers)
-                File.WriteAllLines(kvp.Key, kvp.Value);
-        }
     }
 }
\ No newline at end of file