diff --git a/x4.md b/x4.md
index cee253c..4b34f3b 100644
--- a/x4.md
+++ b/x4.md
@@ -112,9 +112,7 @@ A client in order to rely a message needs to first find other clients (this proc
 
 TODO
 
-# Known issues
-
-## Dependencies between layers
+# Dependencies between layers
 
 As it was mentioned above, there are cases when two layers depend on one another:
 * encrypting messages is done by the privacy layer instead of security layer