diff --git a/content/3.defense-systems/abi2.md b/content/3.defense-systems/abi2.md
index a6edcce14c02abd3b86ba829f2669cd79062768a..10af6f308aa4fd5970e08e24fd4e603a8ee98b11 100644
--- a/content/3.defense-systems/abi2.md
+++ b/content/3.defense-systems/abi2.md
@@ -39,9 +39,6 @@ Here is an example found in the RefSeq database:
 
 The Abi2 system in *Veillonella parvula* (GCF_002005185.1, NZ_CP019721) is composed of 1 protein: Abi_2 (WP_077707938.1) 
 
-## Molecular mechanisms
-As far as we are aware, the molecular mechanisms remain unclear.
-
 ## Distribution of the system among prokaryotes
 
 ::article-system-distribution-plot