diff --git a/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_crossbow.json b/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_crossbow.json
index 094a0d849a..5085aa0bd2 100644
--- a/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_crossbow.json
+++ b/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_crossbow.json
@@ -1,5 +1,4 @@
 {
-	"supersedes": "crossbow_tradition",
 	"genericName": "Advanced Crossbow Infantry and Cavalry",
 	"description": "Upgrade all of your citizen crossbowmen to Advanced rank.",
 	"cost": {