diff --git a/core/service.go b/core/service.go
index 523eb9e..7afbeef 100644
--- a/core/service.go
+++ b/core/service.go
@@ -873,6 +873,12 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		delop = primitive.M{
 			"$set": primitive.M{"_ts": curtime},
 		}
+
+		if sType == AuthPlatformFirebaseAuth {
+			sh.mongoClient.Delete(CollectionFirebaseUserInfo, bson.M{
+				"firebaseuserid": sId,
+			})
+		}
 	} else {
 		delfilter["platform"] = sType
 		targetLinkId, err := sh.mongoClient.FindAll(CollectionLink, delfilter, options.Find().SetProjection(bson.M{