diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs
index 3fd9c0a194485..a9a3a0af276b1 100644
--- a/src/librustdoc/html/markdown.rs
+++ b/src/librustdoc/html/markdown.rs
@@ -923,9 +923,7 @@ impl LangString {
 
         data.original = string.to_owned();
 
-        let tokens = Self::tokens(string).collect::<Vec<&str>>();
-
-        for token in tokens {
+        for token in Self::tokens(string) {
             match token {
                 "should_panic" => {
                     data.should_panic = true;