diff --git a/docs/src/08_concepts.adoc b/docs/src/08_concepts.adoc
index 6aa3a652..0f179bcc 100644
--- a/docs/src/08_concepts.adoc
+++ b/docs/src/08_concepts.adoc
@@ -3,11 +3,6 @@ ifndef::imagesdir[:imagesdir: ../images]
 [[section-concepts]]
 == Cross-cutting Concepts
 
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 .Domain Model
 These diagram is just a sketch, it should be replaced by a more accurate version upon discussion.