diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f4769e8..90056253 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- [#208](https://github.com/green-code-initiative/ecoCode/issues/208) Improve build process and release management
+- [#208](https://github.com/green-code-initiative/ecoCode/issues/208) Improve build process and release management : the release process is now much simpler: just need to do a build on a tag checkout. And now, project use [Maven Wrapper](https://maven.apache.org/wrapper/).
 
 ### Deleted
 
diff --git a/tool_release_1_prepare.sh b/tool_release_1_prepare.sh
deleted file mode 100755
index 7b996e3c..00000000
--- a/tool_release_1_prepare.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env sh
-
-###
-# PURPOSE : use maven plugin release to prepare locally next release and next SNAPSHOT
-###
-
-# creation of 2 commits with release and next SNAPSHOT
-./mvnw release:prepare -B -ff -DpushChanges=false -DtagNameFormat=@{project.version}
-
-sleep 2
-
-# clean temporary files
-./mvnw release:clean
diff --git a/tool_release_2_branch.sh b/tool_release_2_branch.sh
deleted file mode 100755
index ca2e8222..00000000
--- a/tool_release_2_branch.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env sh
-
-###
-# PURPOSE : create an push an new branch with commits previously prepared with `tool_release_1_prepare.sh`
-###
-
-# checkout released tag and creation of branch to push (becasue of main protection)
-LAST_TAG=$(git tag --sort=-version:refname | head -n 1)
-BRANCH_NAME=$(echo "release_${LAST_TAG}")
-git checkout -b ${BRANCH_NAME}
-
-# push branch associated to new tag release
-git push --set-upstream origin ${BRANCH_NAME}