diff --git a/docs/architecture/psa-migration/outcome-analysis.sh b/docs/architecture/psa-migration/outcome-analysis.sh
index d03c5a2..1805a3c 100755
--- a/docs/architecture/psa-migration/outcome-analysis.sh
+++ b/docs/architecture/psa-migration/outcome-analysis.sh
@@ -44,14 +44,10 @@
 }
 
 # save current HEAD.
-# Note: unfortunately "git branch --show-current" was added only in GIT
-# version 2.22.
-GIT_VERSION="$(git --version | sed 's/git version //')"
-if dpkg --compare-versions "$GIT_VERSION" "gt" "2.22.0"; then
-    HEAD=$(git branch --show-current)
-else
-    HEAD=$(git rev-parse --abbrev-ref HEAD)
-fi
+# Note: this can optionally be updated to
+#   HEAD=$(git branch --show-current)
+# when using a Git version above 2.22
+HEAD=$(git rev-parse --abbrev-ref HEAD)
 
 # get the numbers before this PR for default and full
 cleanup