diff --git a/schema.txt b/schema.txt
index d461ebd..6a45d3c 100644
--- a/schema.txt
+++ b/schema.txt
@@ -3285,7 +3285,6 @@ digraph Hierarchie_Composants_Electroniques_Simplifiee {
             ProcesseurASIC -> CreusetQuartz [cout="0.7", criticite="0.74", delai="0.7", technique="0.8"];
             ProcesseurASIC -> ProcedeEUV [];
             ProcesseurASIC -> Germanium [cout="0.6", criticite="0.64", delai="0.6", technique="0.7"];
-            ProcesseurASIC -> Hafnium [cout="0.7", criticite="0.81", delai="0.8", technique="0.9"];
             ProcesseurASIC -> Phosphore [cout="0.6", criticite="0.5", delai="0.4", technique="0.5"];
 
 
@@ -3431,7 +3430,6 @@ digraph Hierarchie_Composants_Electroniques_Simplifiee {
             ProcesseurARM -> CreusetQuartz [cout="0.7", criticite="0.74", delai="0.7", technique="0.8"];
             ProcesseurARM -> ProcedeEUV [];
             ProcesseurARM -> Germanium [cout="0.6", criticite="0.64", delai="0.6", technique="0.7"];
-            ProcesseurARM -> Hafnium [cout="0.7", criticite="0.81", delai="0.8", technique="0.9"];
             ProcesseurARM -> Phosphore [cout="0.6", criticite="0.5", delai="0.4", technique="0.5"];
 
 
@@ -3784,7 +3782,6 @@ digraph Hierarchie_Composants_Electroniques_Simplifiee {
             ProcesseurX86 -> CreusetQuartz [cout="0.7", criticite="0.74", delai="0.7", technique="0.8"];
             ProcesseurX86 -> ProcedeEUV [];
             ProcesseurX86 -> Germanium [cout="0.6", criticite="0.64", delai="0.6", technique="0.7"];
-            ProcesseurX86 -> Hafnium [cout="0.7", criticite="0.81", delai="0.8", technique="0.9"];
             ProcesseurX86 -> Phosphore [cout="0.6", criticite="0.5", delai="0.4", technique="0.5"];