diff --git a/src/js/removeSlave.js b/src/js/removeSlave.js
index 4a1ebfe82c9e2e08d8201f616e959da9cfa0873c..ae6dedba9f50ef9cff765da690d9c99f112cfc41 100644
--- a/src/js/removeSlave.js
+++ b/src/js/removeSlave.js
@@ -35,6 +35,8 @@ globalThis.removeSlave = function(slave) {
 		}
 	}
 
+	V.favorites.delete(AS_ID);
+
 	if (INDEX >= 0 && INDEX < LENGTH) {
 		if (V.incubator > 0) {
 			V.tanks.forEach(child => {