diff --git a/docs/04-documentation/LG-04-09.adoc b/docs/04-documentation/LG-04-09.adoc
index d410724..4190546 100644
--- a/docs/04-documentation/LG-04-09.adoc
+++ b/docs/04-documentation/LG-04-09.adoc
@@ -9,7 +9,6 @@ Softwarearchitekt:innen kennen:
 ** ISO/IEC/IEEE 42010, 
 ** arc42,
 ** C4, siehe <<brownc4>>
-** FMC, siehe <<fmc>>
 * Ideen und Beispiele von Checklisten für die Erstellung, Dokumentation und Prüfung von Softwarearchitekturen
 * mögliche Werkzeuge zur Erstellung und Pflege von Architekturdokumentation
 
@@ -25,7 +24,6 @@ Software architects know:
 ** ISO/IEC/IEEE 42010, 
 ** arc42,
 ** C4, see <<brownc4>>
-** FMC, see <<fmc>>
 * ideas and examples of checklists for the creation, documentation, and testing of software architectures
 * possible tools for creating and maintaining architectural documentation
 
@@ -33,4 +31,4 @@ Software architects know:
 
 
 ===== {references}
-<<iso42010>>, <<arc42>>, <<brownc4>>, <<fmc>>
\ No newline at end of file
+<<iso42010>>, <<arc42>>, <<brownc4>>
diff --git a/docs/09-references/00-references.adoc b/docs/09-references/00-references.adoc
index 3ca4d53..5915936 100644
--- a/docs/09-references/00-references.adoc
+++ b/docs/09-references/00-references.adoc
@@ -33,7 +33,6 @@
 
 // F
 - [[[felleisenetal, Felleisen+2014]]] Matthias Felleisen, Robert Bruce Findler, Matthew Flatt, Shriram Krishnamurthi: How to Design Programs.  Second Edition.  MIT Press, 2014. <https://htdp.org/>
-- [[[fmc,FMC]]] Siegfried Wendt: Fundamental Modeling Concepts, online: <http://www.fmc-modeling.org/>
 
 - [[[ford,Ford 2017]]] Neil Ford, Rebecca Parsons, Patrick Kua: Building Evolutionary Architectures: Support Constant Change. OReilly 2017