diff --git a/01_essentials/03-branching-and-merging/challenge b/01_essentials/03-branching-and-merging/challenge
deleted file mode 160000
index 40d5f6c..0000000
--- a/01_essentials/03-branching-and-merging/challenge
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@@ -1 +0,0 @@
-Subproject commit 40d5f6c19ca1ed3a264d326118297304caabc2da