diff --git a/src/components/insights/health-score-pillar-detail.ts b/src/components/insights/health-score-pillar-detail.ts
index 76d25a992..27cb4c5fa 100644
--- a/src/components/insights/health-score-pillar-detail.ts
+++ b/src/components/insights/health-score-pillar-detail.ts
@@ -92,7 +92,7 @@ export function pillarObservedText(
 }
 
 /** The scored reference band, already converted into the account unit. */
-export function pillarReferenceText(
+function pillarReferenceText(
   pillar: ScorePillarResult,
   { t, glucoseUnit }: PillarDetailContext,
 ): string {