diff --git a/.changeset/nice-humans-help.md b/.changeset/nice-humans-help.md
new file mode 100644
index 00000000..6c8b3218
--- /dev/null
+++ b/.changeset/nice-humans-help.md
@@ -0,0 +1,5 @@
+---
+'@ryanatkn/belt': patch
+---
+
+use `Intl.Segmenter` without a fallback
diff --git a/src/lib/string.ts b/src/lib/string.ts
index d4e1fa21..d1a215bc 100644
--- a/src/lib/string.ts
+++ b/src/lib/string.ts
@@ -68,16 +68,6 @@ export const plural = (count: number | undefined | null, suffix = 's'): string =
 
 /**
  * Returns the count of graphemes in a string, the individually rendered characters.
- * @param str
  */
-export const to_grapheme_count = (str: string): number => {
-	try {
-		return [...new Intl.Segmenter().segment(str)].length;
-	} catch (err) {
-		// TODO The fallback code here is very broken,
-		// and currently returns down to 1/8 the correct number of graphemes.
-		// Remove it when Intl.Segmenter is supported in Firefox:
-		// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter
-		return Math.ceil([...str].length / 8);
-	}
-};
+export const to_grapheme_count = (str: string): number =>
+	[...new Intl.Segmenter().segment(str)].length;