diff --git a/src/Microsoft.AspNetCore.Server.HttpSys/CustomDictionary.xml b/src/Microsoft.AspNetCore.Server.HttpSys/CustomDictionary.xml
deleted file mode 100644
index 78a76142f7..0000000000
--- a/src/Microsoft.AspNetCore.Server.HttpSys/CustomDictionary.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<Dictionary>
-  <Words>
-    <Recognized>
-      <Word>Owin</Word>
-    </Recognized>
-  </Words>
-</Dictionary>
-
-