diff --git a/source/concept/index.rst b/source/concept/index.rst
index 93ef25640f7c5adf39b05f750b5dbe0b9a5339a2..7aeaa39d79281cc104ba8c98e13fb13ff7a4f197 100644
--- a/source/concept/index.rst
+++ b/source/concept/index.rst
@@ -13,5 +13,4 @@ Documentation Veremes sur les notions théoriques
    :maxdepth: 2
    :glob:
 
-   system/index.rst
-   poo/index.rst
+   system/index.rst
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