diff --git a/src/WorkflowCore/Exceptions/WorkflowLockedException.cs b/src/WorkflowCore/Exceptions/WorkflowLockedException.cs
deleted file mode 100644
index 23cdaf628..000000000
--- a/src/WorkflowCore/Exceptions/WorkflowLockedException.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-
-namespace WorkflowCore.Exceptions
-{
-    public class WorkflowLockedException : Exception
-    {
-        public WorkflowLockedException(): base()
-        {
-            //
-        }
-    }
-}
\ No newline at end of file