diff --git a/src/web/page/templates.rs b/src/web/page/templates.rs
index c1f0bd6c8..c648be86e 100644
--- a/src/web/page/templates.rs
+++ b/src/web/page/templates.rs
@@ -247,10 +247,6 @@ pub mod filters {
         }
     }
 
-    pub fn unwrap<T: fmt::Display>(value: &Option<T>) -> rinja::Result<&T> {
-        Ok(value.as_ref().expect("`unwrap` filter failed"))
-    }
-
     pub fn split_first<'a>(value: &'a str, pat: &str) -> rinja::Result<Option<&'a str>> {
         Ok(value.split(pat).next())
     }
diff --git a/templates/rustdoc/head.html b/templates/rustdoc/head.html
index 3320daa4a..a865b5bd7 100644
--- a/templates/rustdoc/head.html
+++ b/templates/rustdoc/head.html
@@ -1,5 +1,5 @@
 {%- import "macros.html" as macros -%}
-        <link rel="stylesheet" href="/-/static/{{rustdoc_css_file|unwrap}}?{{ crate::BUILD_VERSION|slugify }}" media="all" />
+        <link rel="stylesheet" href="/-/static/{{rustdoc_css_file.as_ref().unwrap()}}?{{ crate::BUILD_VERSION|slugify }}" media="all" />
 
         <link rel="search" href="/-/static/opensearch.xml" type="application/opensearchdescription+xml" title="Docs.rs" />