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diff --git a/src/docs/useless_vec.txt b/src/docs/useless_vec.txt
deleted file mode 100644
index ee5afc99e4b..00000000000
--- a/src/docs/useless_vec.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-### What it does
-Checks for usage of `&vec![..]` when using `&[..]` would
-be possible.
-
-### Why is this bad?
-This is less efficient.
-
-### Example
-```
-fn foo(_x: &[u8]) {}
-
-foo(&vec![1, 2]);
-```
-
-Use instead:
-```
-foo(&[1, 2]);
-```
\ No newline at end of file