diff --git a/crates/typst-html/src/convert.rs b/crates/typst-html/src/convert.rs
index 220023897..40e1b4364 100644
--- a/crates/typst-html/src/convert.rs
+++ b/crates/typst-html/src/convert.rs
@@ -125,9 +125,3 @@ fn last_char(nodes: &[HtmlNode]) -> Option<char> {
     }
     None
 }
-
-/// Checks whether the given element is an inline-level HTML element.
-pub fn is_inline(elem: &Content) -> bool {
-    elem.to_packed::<HtmlElem>()
-        .is_some_and(|elem| tag::is_inline_by_default(elem.tag))
-}
diff --git a/crates/typst-html/src/document.rs b/crates/typst-html/src/document.rs
index 1dc85572c..ec9d9a50e 100644
--- a/crates/typst-html/src/document.rs
+++ b/crates/typst-html/src/document.rs
@@ -17,7 +17,7 @@ use typst_library::text::SmartQuoter;
 use typst_syntax::Span;
 use typst_utils::NonZeroExt;
 
-use crate::{HtmlDocument, HtmlElement, HtmlNode, attr, tag};
+use crate::{HtmlDocument, HtmlElem, HtmlElement, HtmlNode, attr, tag};
 
 /// Produce an HTML document from content.
 ///
@@ -72,10 +72,7 @@ fn html_document_impl(
     let arenas = Arenas::default();
     let mut info = DocumentInfo::default();
     let children = (engine.routines.realize)(
-        RealizationKind::HtmlDocument {
-            info: &mut info,
-            is_inline: crate::convert::is_inline,
-        },
+        RealizationKind::HtmlDocument { info: &mut info, is_inline: HtmlElem::is_inline },
         &mut engine,
         &mut locator,
         &arenas,
diff --git a/crates/typst-html/src/fragment.rs b/crates/typst-html/src/fragment.rs
index 773c66faf..efce44548 100644
--- a/crates/typst-html/src/fragment.rs
+++ b/crates/typst-html/src/fragment.rs
@@ -9,7 +9,7 @@ use typst_library::World;
 use typst_library::routines::{Arenas, FragmentKind, Pair, RealizationKind, Routines};
 use typst_library::text::SmartQuoter;
 
-use crate::HtmlNode;
+use crate::{HtmlElem, HtmlNode};
 
 /// Produces HTML nodes from content contained in an HTML element that is
 /// block-level by default.
@@ -114,7 +114,7 @@ fn realize_fragment<'a>(
         RealizationKind::HtmlFragment {
             // We ignore the `FragmentKind` because we handle both uniformly.
             kind: &mut FragmentKind::Block,
-            is_inline: crate::convert::is_inline,
+            is_inline: HtmlElem::is_inline,
         },
         engine,
         locator,
diff --git a/crates/typst-html/src/lib.rs b/crates/typst-html/src/lib.rs
index 68311e8a3..5c42b7080 100644
--- a/crates/typst-html/src/lib.rs
+++ b/crates/typst-html/src/lib.rs
@@ -97,6 +97,12 @@ impl HtmlElem {
             self
         }
     }
+
+    /// Checks whether the given element is an inline-level HTML element.
+    fn is_inline(elem: &Content) -> bool {
+        elem.to_packed::<HtmlElem>()
+            .is_some_and(|elem| tag::is_inline_by_default(elem.tag))
+    }
 }
 
 /// An element that lays out its content as an inline SVG.