diff --git a/lib/query.js b/lib/query.js
index 5bb3ee9a611..c5c539f63be 100644
--- a/lib/query.js
+++ b/lib/query.js
@@ -153,6 +153,12 @@ function Query(conditions, options, model, collection) {
 
 Query.prototype = new mquery();
 Query.prototype.constructor = Query;
+
+// Remove some legacy methods that we removed in Mongoose 8, but
+// are still in mquery 5.
+Query.prototype.count = undefined;
+Query.prototype.findOneAndRemove = undefined;
+
 Query.base = mquery.prototype;
 
 /*!