diff --git a/network/util/MANIFEST b/network/util/MANIFEST
index 9acc3dd22017..51fc96dd9c13 100644
--- a/network/util/MANIFEST
+++ b/network/util/MANIFEST
@@ -2,4 +2,3 @@
 # This is a list of local files which get copied to the mozilla:dist directory
 #
 
-mkreg.h