diff --git a/src/js/pregJS.js b/src/js/pregJS.js
index f2e9815317853df463e1a590a65c156c4f815e09..f49081b8a30702e4bdaf8cd76b999d850386f372 100644
--- a/src/js/pregJS.js
+++ b/src/js/pregJS.js
@@ -603,11 +603,3 @@ globalThis.TerminatePregnancy = function(slave) {
 	WombFlush(slave);
 	SetBellySize(slave);
 };
-
-/** Return the percentage of pregnancy progress vs the expected pregnancy term for a given slave
- * @param {App.Entity.SlaveState} slave
- * @returns {number} 0-1 normal range (can exceed 1 for late deliveries)
- */
-globalThis.pregProgress = function(slave) {
-	return slave.preg / slave.pregData.normalBirth;
-};