diff --git a/uebung_04/exercise_06 b/uebung_04/exercise_06
deleted file mode 160000
index 915b415..0000000
--- a/uebung_04/exercise_06
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@@ -1 +0,0 @@
-Subproject commit 915b4158dedeb7600f07c52c6c29d138512ffd46