diff --git a/codes/tool.py b/codes/tool.py
index b536607c02dba0e88deea1611f1d8acf0fc4c730..0e9c1cf3dc686e367163da44ea8b985da2a4bea6 100644
--- a/codes/tool.py
+++ b/codes/tool.py
@@ -55,7 +55,6 @@ def pos_to_relax(poscar_file,n=20):
         b=cell[1,1]
         c=cell[2,2]
         #maillage
-        n=20
         Xpos=[i*a/n for i in range(n)]
         Ypos=[i*b/n for i in range(n)]