diff --git a/externals/ext-CLI11 b/externals/ext-CLI11
deleted file mode 160000
index 1cce14833..000000000
--- a/externals/ext-CLI11
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1cce1483345e60997b87720948c37d6a34db2658