diff --git a/docs/CONTRIBUTING.md b/docs/CONTRIBUTING.md
index 49f9b173dd4..5b13530a331 100644
--- a/docs/CONTRIBUTING.md
+++ b/docs/CONTRIBUTING.md
@@ -59,7 +59,6 @@ Anyone wishing to contribute to the **[Discourse/Discourse](https://github.com/d
  * use spaces around operators, after commas, colons, semicolons, around `{` and before `}`
  * no space after `(`, `[` or before `]`, `)`
  * use Ruby 1.9 hash syntax: prefer `{ a: 1 }` over `{ :a => 1 }`
- * use `&&` and `||` over `and`/`or`
  * prefer `class << self; def method; end` over `def class.method` for class methods
  * prefer `{ ... }` over `do ... end` for single-line blocks, avoid using `{ ... }` for multi-line blocks
  * avoid `return` when not required