diff --git a/.gitmodules b/.gitmodules
index d511b00..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "SEQ/src"]
-	path = SEQ/src
-	url = https://github.com/aTrotier/SEQ_BRUKER_a_MP2RAGE_CS
diff --git a/SEQ/README.md b/SEQ/README.md
new file mode 100644
index 0000000..8d070b1
--- /dev/null
+++ b/SEQ/README.md
@@ -0,0 +1,7 @@
+# Information about sequence
+
+Version of the sequence is available here :
+https://github.com/aTrotier/SEQ_BRUKER_a_MP2RAGE_CS/tree/v0.51
+
+# Latest modifications
+- add ReleaseVersion in the sequence
\ No newline at end of file
diff --git a/SEQ/a_MP2RAGE_CS_0d51_6.0.1.PvUserBinMethod b/SEQ/a_MP2RAGE_CS_0d51_6.0.1.PvUserBinMethod
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index 0000000..6bae8f0
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diff --git a/SEQ/a_MP2RAGE_CS_0d5_6.0.1.PvUserBinMethod b/SEQ/a_MP2RAGE_CS_0d5_6.0.1.PvUserBinMethod
deleted file mode 100644
index 9a5d920..0000000
Binary files a/SEQ/a_MP2RAGE_CS_0d5_6.0.1.PvUserBinMethod and /dev/null differ
diff --git a/SEQ/src b/SEQ/src
deleted file mode 160000
index 084cf56..0000000
--- a/SEQ/src
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 084cf56b863cd9bd301c11bd8d8a6db9d5526801