diff --git a/Manual.asciidoc b/Manual.asciidoc
index 77c6ac3c2091421f26d51d1427af2282a6e1977d..ea002cbb03084e8d532585b9d79cc0cc89fc29c4 100644
--- a/Manual.asciidoc
+++ b/Manual.asciidoc
@@ -35,16 +35,6 @@ ifdef::backend-html5[]
 
 endif::[]
 
-:sectnums!:
-== Preliminary note
-
-This is the manual for _OPAL_ {OPAL_version}. Versions with the postfix `-dev` identify 
-development versions. Use these versions only if you know what you are
-doing!
-
-New feature might not yet be documented or something is already documented
-but not yet implemented.
-
 :sectnums:
 == Abstract