diff --git a/README.md b/README.md
index 7fab34c..1004f10 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,6 @@ The script generates a file named `cflat-export-YYYY-MM-DD.txt`. It contains:
 * **OS:** Linux or macOS. (Windows users: please use WSL).
 * **Shell:** Bash.
 * **Optional:**
-  * `tree`: For structure visualization.
   * `clang-format`: For code cleaning.
 
 ## License