diff --git a/.gitignore b/.gitignore
index a2d0abd..01d687c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,8 @@
 **/*.tkzfonct.*
 **/*.pgf-plot.*
 **/*.xsim.tex
+**/*.md5
+**/*.auxlock
 
 **/tmp/*
 
diff --git a/2nd/Evaluations/DS_2021-10-11/sujet-figure0.md5 b/2nd/Evaluations/DS_2021-10-11/sujet-figure0.md5
deleted file mode 100644
index db323fa..0000000
--- a/2nd/Evaluations/DS_2021-10-11/sujet-figure0.md5
+++ /dev/null
@@ -1 +0,0 @@
-\def \tikzexternallastkey {5497C941BAD72D22C2B56A94BEFE32D8}%
diff --git a/2nd/Evaluations/DS_2021-10-11/sujet-figure1.md5 b/2nd/Evaluations/DS_2021-10-11/sujet-figure1.md5
deleted file mode 100644
index d05830e..0000000
--- a/2nd/Evaluations/DS_2021-10-11/sujet-figure1.md5
+++ /dev/null
@@ -1 +0,0 @@
-\def \tikzexternallastkey {C9EC8B1F98A18638D9EE7F0BC57BEC88}%
diff --git a/2nd/Evaluations/DS_2021-10-11/sujet.auxlock b/2nd/Evaluations/DS_2021-10-11/sujet.auxlock
deleted file mode 100644
index 323417a..0000000
--- a/2nd/Evaluations/DS_2021-10-11/sujet.auxlock
+++ /dev/null
@@ -1 +0,0 @@
-\def \tikzexternallocked {0}