diff --git a/maintenance/docker-builder-prune.sh b/maintenance/docker-builder-prune.sh
index 26ca3c2..5c1d0b4 100755
--- a/maintenance/docker-builder-prune.sh
+++ b/maintenance/docker-builder-prune.sh
@@ -1,4 +1,22 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-echo "TODO"
+echo "=================================================="
+echo "Docker builder cache cleanup"
+echo "Generated: $(date)"
+echo "=================================================="
+
+echo
+echo "=== Before cleanup ==="
+docker system df
+
+echo
+echo "=== Removing unused build cache ==="
+docker builder prune -af
+
+echo
+echo "=== After cleanup ==="
+docker system df
+
+echo
+echo "Cleanup finished."
\ No newline at end of file