diff --git a/chrome/content/zotero/xpcom/data/collections.js b/chrome/content/zotero/xpcom/data/collections.js
index 8b3a6a57c2..05b2e8b7b2 100644
--- a/chrome/content/zotero/xpcom/data/collections.js
+++ b/chrome/content/zotero/xpcom/data/collections.js
@@ -182,23 +182,6 @@ Zotero.Collections = function() {
 		}
 	}
 	
-	
-	this.erase = function(ids) {
-		ids = Zotero.flattenArguments(ids);
-		
-		return Zotero.DB.executeTransaction(function* () {
-			for each(var id in ids) {
-				var collection = yield this.getAsync(id);
-				if (collection) {
-					yield collection.erase();
-				}
-				collection = undefined;
-			}
-			
-			this.unload(ids);
-		}.bind(this));
-	};
-	
 	Zotero.DataObjects.call(this);
 	
 	return this;
diff --git a/chrome/content/zotero/xpcom/data/dataObjects.js b/chrome/content/zotero/xpcom/data/dataObjects.js
index 52d196d554..7c83ef3816 100644
--- a/chrome/content/zotero/xpcom/data/dataObjects.js
+++ b/chrome/content/zotero/xpcom/data/dataObjects.js
@@ -518,6 +518,31 @@ Zotero.DataObjects.prototype.getPrimaryDataSQLPart = function (part) {
 }
 
 
+/**
+ * Delete one or more objects from the database and caches
+ *
+ * @param {Integer|Integer[]} ids - Object ids
+ * @param {Object} [options] - See Zotero.DataObject.prototype.erase
+ * @return {Promise}
+ */
+Zotero.DataObjects.prototype.erase = Zotero.Promise.coroutine(function* (ids, options = {}) {
+	ids = Zotero.flattenArguments(ids);
+	yield Zotero.DB.executeTransaction(function* () {
+		for (let i = 0; i < ids.length; i++) {
+			let obj = yield this.getAsync(ids[i]);
+			if (!obj) {
+				continue;
+			}
+			yield obj.erase(options);
+		}
+		this.unload(ids);
+	}.bind(this));
+});
+
+
+
+
+
 Zotero.DataObjects.prototype._load = Zotero.Promise.coroutine(function* (libraryID, ids, options) {
 	var loaded = {};
 	
diff --git a/chrome/content/zotero/xpcom/data/items.js b/chrome/content/zotero/xpcom/data/items.js
index b5c99444bc..a9d4990067 100644
--- a/chrome/content/zotero/xpcom/data/items.js
+++ b/chrome/content/zotero/xpcom/data/items.js
@@ -597,29 +597,6 @@ Zotero.Items = function() {
 	}
 	
 	
-	/**
-	 * Delete item(s) from database and clear from internal array
-	 *
-	 * @param {Integer|Integer[]} ids - Item ids
-	 * @return {Promise}
-	 */
-	this.erase = function (ids) {
-		return Zotero.DB.executeTransaction(function* () {
-			ids = Zotero.flattenArguments(ids);
-			
-			for (let i=0; i<ids.length; i++) {
-				let id = ids[i];
-				let item = yield this.getAsync(id);
-				if (!item) {
-					Zotero.debug('Item ' + id + ' does not exist in Items.erase()!', 1);
-					continue;
-				}
-				yield item.erase(); // calls unload()
-			}
-		}.bind(this));
-	};
-	
-	
 	/**
 	 * Purge unused data values
 	 */
diff --git a/chrome/content/zotero/xpcom/search.js b/chrome/content/zotero/xpcom/search.js
index 6c084f23bc..bd1028d520 100644
--- a/chrome/content/zotero/xpcom/search.js
+++ b/chrome/content/zotero/xpcom/search.js
@@ -1689,21 +1689,6 @@ Zotero.Searches = function() {
 	});
 	
 	
-	/*
-	 * Delete a given saved search from the DB
-	 */
-	this.erase = Zotero.Promise.coroutine(function* (ids) {
-		ids = Zotero.flattenArguments(ids);
-		
-		yield Zotero.DB.executeTransaction(function* () {
-			for (let i=0; i<ids.length; i++) {
-				let search = yield Zotero.Searches.getAsync(ids[i]);
-				yield search.erase();
-			}
-		}.bind(this));
-	});
-	
-	
 	this.getPrimaryDataSQL = function () {
 		// This should be the same as the query in Zotero.Search.loadPrimaryData(),
 		// just without a specific savedSearchID