diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index e931be4d2c..f9f4197691 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -2465,7 +2465,7 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 			}
 		}
 		
-		return this._expose(containerElements);
+		return containerElements;
 	},
 	
 	/**
@@ -2498,7 +2498,7 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 		for(var i in this._dataStore.subjectIndex) {
 			returnArray.push(this._dataStore.subjectIndex[i][0].subject);
 		}
-		return this._expose(returnArray);
+		return returnArray;
 	},
 	
 	/**
@@ -2514,7 +2514,7 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 		for(var i=0; i<statements.length; i++) {
 			returnArray.push(statements[i].predicate.uri);
 		}
-		return this._expose(returnArray);
+		return returnArray;
 	},
 	
 	/**
@@ -2530,7 +2530,7 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 		for(var i=0; i<statements.length; i++) {
 			returnArray.push(statements[i].predicate.uri);
 		}
-		return this._expose(returnArray);
+		return returnArray;
 	},
 	
 	/**
@@ -2548,7 +2548,7 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 		for(var i=0; i<statements.length; i++) {
 			returnArray.push(statements[i].subject);
 		}
-		return this._expose(returnArray);
+		return returnArray;
 	},
 	
 	/**
@@ -2566,7 +2566,7 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 		for(var i=0; i<statements.length; i++) {
 			returnArray.push(statements[i].object.termType == "literal" ? statements[i].object.toString() : statements[i].object);
 		}
-		return this._expose(returnArray);
+		return returnArray;
 	},
 	
 	/**
@@ -2593,19 +2593,6 @@ Zotero.Translate.IO._RDFSandbox.prototype = {
 		for(var i=0; i<statements.length; i++) {
 			returnArray.push([statements[i].subject, statements[i].predicate, (statements[i].object.termType == "literal" ? statements[i].object.toString() : statements[i].object)]);
 		}
-		return this._expose(returnArray);
-	},
-	
-	/**
-	 * Set output so that it can be exposed to content in Firefox
-	 */
-	"_expose":function(arr) {
-		if(!Zotero.isFx || !arr instanceof Array) return arr;
-		var ep = {};
-		for(var i=0; i<arr.length; i++) {
-			ep[i] = "rw";
-		}
-		Object.defineProperty(arr, "__exposedProps__", {"value":ep});
-		return arr;
+		return returnArray;
 	}
 };
\ No newline at end of file