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diff --git a/src/docs/should_implement_trait.txt b/src/docs/should_implement_trait.txt
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-### What it does
-Checks for methods that should live in a trait
-implementation of a `std` trait (see [llogiq's blog
-post](http://llogiq.github.io/2015/07/30/traits.html) for further
-information) instead of an inherent implementation.
-
-### Why is this bad?
-Implementing the traits improve ergonomics for users of
-the code, often with very little cost. Also people seeing a `mul(...)`
-method
-may expect `*` to work equally, so you should have good reason to disappoint
-them.
-
-### Example
-```
-struct X;
-impl X {
-    fn add(&self, other: &X) -> X {
-        // ..
-    }
-}
-```
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