diff --git a/src/web/page/templates.rs b/src/web/page/templates.rs
index b312160d2..3145fb3ab 100644
--- a/src/web/page/templates.rs
+++ b/src/web/page/templates.rs
@@ -92,7 +92,6 @@ pub mod filters {
     use chrono::{DateTime, Utc};
     use rinja::filters::Safe;
     use std::borrow::Cow;
-    use std::fmt;
 
     // Copied from `tera`.
     pub fn escape_html(input: &str) -> rinja::Result<Cow<'_, str>> {
@@ -247,26 +246,14 @@ 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())
     }
 
-    pub fn to_string<T: fmt::Display>(value: &T) -> rinja::Result<String> {
-        Ok(value.to_string())
-    }
-
     pub fn json_encode<T: ?Sized + serde::Serialize>(value: &T) -> rinja::Result<String> {
         Ok(serde_json::to_string(value).expect("`encode_json` failed"))
     }
 
-    pub fn as_f32(value: &i32) -> rinja::Result<f32> {
-        Ok(*value as f32)
-    }
-
     pub fn rest_menu_url(current_target: &str, inner_path: &str) -> rinja::Result<String> {
         if current_target.is_empty() {
             return Ok(String::new());
diff --git a/templates/crate/details.html b/templates/crate/details.html
index 18386f8dd..6d4e023db 100644
--- a/templates/crate/details.html
+++ b/templates/crate/details.html
@@ -26,8 +26,8 @@
                 <div class="pure-menu package-menu">
                     <ul class="pure-menu-list">
                         {%- if let (Some(documented), Some(total)) = (documented_items, total_items) -%}
-                            {% set documented_f32 = documented|as_f32 %}
-                            {% set total_f32 = total|as_f32 %}
+                            {% set documented_f32 = documented as f32 %}
+                            {% set total_f32 = total as f32 %}
                             {% set percent = documented_f32 * 100f32 / total_f32 %}
                             <li class="pure-menu-heading">Coverage</li>
                             <li class="pure-menu-item text-center"><b>{{ percent|round(2) }}%</b><br>
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" />
 
diff --git a/templates/rustdoc/topbar.html b/templates/rustdoc/topbar.html
index b7d11bd74..7eb80f079 100644
--- a/templates/rustdoc/topbar.html
+++ b/templates/rustdoc/topbar.html
@@ -36,7 +36,7 @@
                         <span id="clipboard" class="fa-svg fa-svg-fw" title="Copy crate name and version information">{%- include "clipboard.svg" -%}</span>
                     </li>
 
-                    {%- if metadata.req_version|to_string == "latest" -%}
+                    {%- if metadata.req_version.to_string() == "latest" -%}
                     <li class="pure-menu-item">
                         <a href="{% if permalink_path is defined %}{{permalink_path|safe}}{% endif %}" class="pure-menu-link description" id="permalink" title="Get a link to this specific version">
                             {{ "link"|fas(false, false, "") }} Permalink
@@ -149,8 +149,8 @@
                     </div>
                 </div>
                 {%- if let (Some(documented), Some(total)) = (krate.documented_items, krate.total_items) -%}
-                    {% set documented = documented|as_f32 %}
-                    {% set total = total|as_f32 %}
+                    {% set documented = documented as f32 %}
+                    {% set total = total as f32 %}
                     {% set percent = documented * 100f32 / total %}
                     <div class="pure-g">
                         <div class="pure-u-1">