diff --git a/content/3.defense-systems/avs.md b/content/3.defense-systems/avs.md
index 06614abfcfd0e683c957686a97c8d0b8648ff456..064794de4df87a2ef888c43e40baaddca614cb3d 100644
--- a/content/3.defense-systems/avs.md
+++ b/content/3.defense-systems/avs.md
@@ -173,7 +173,3 @@ Subsystem Ec2Avs4 with a system from *Escherichia coli* in *Escherichia coli* ha
 Subsystem KpAvs4 with a system from *Klebsiella pneumoniae* in *Escherichia coli* has an anti-phage effect against ZL-19 (Gao et al., 2022)
 
 Subsystem CcAvs4 with a system from *Corallococcus coralloides* in *Escherichia coli* has an anti-phage effect against T7 (Gao et al., 2022)
-
-## Relevant abstracts
-
-