diff --git a/chrome/content/zotero/xpcom/data/creators.js b/chrome/content/zotero/xpcom/data/creators.js
index fcdc2c2a77..bd4876196d 100644
--- a/chrome/content/zotero/xpcom/data/creators.js
+++ b/chrome/content/zotero/xpcom/data/creators.js
@@ -152,9 +152,11 @@ Zotero.Creators = new function () {
 				delete _cache[toDelete[i]];
 			}
 			
-			var sql = "DELETE FROM creators WHERE creatorID NOT IN "
-				+ "(SELECT creatorID FROM itemCreators)";
-			await Zotero.DB.queryAsync(sql);
+			await Zotero.DB.executeTransaction(async function () {
+				var sql = "DELETE FROM creators WHERE creatorID NOT IN "
+					+ "(SELECT creatorID FROM itemCreators)";
+				await Zotero.DB.queryAsync(sql, [], { ignoreDBLock: true });
+			}, { disableForeignKeys: true });
 		}
 		
 		Zotero.Prefs.set('purge.creators', false);
diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index 9776f8e33e..ceea9b1af1 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -1770,9 +1770,7 @@ const { CommandLineOptions } = ChromeUtils.importESModule("chrome://zotero/conte
 	this.purgeDataObjects = async function () {
 		var d = new Date();
 		
-		await Zotero.DB.executeTransaction(async function () {
-			return Zotero.Creators.purge();
-		});
+		await Zotero.Creators.purge();
 		await Zotero.DB.executeTransaction(async function () {
 			return Zotero.Tags.purge();
 		});