diff --git a/lib/compiler/index.js b/lib/compiler/index.js
index 246e4c7..955fff0 100644
--- a/lib/compiler/index.js
+++ b/lib/compiler/index.js
@@ -15,17 +15,6 @@ const Session = require( "./session" );
 const util = require( "../util" );
 const vm = require( "./vm" );
 
-function processOptions( options, defaults ) {
-
-    const processedOptions = {};
-
-    util.extend( processedOptions, options );
-    util.extend( processedOptions, defaults );
-
-    return processedOptions;
-
-}
-
 const compiler = {
 
     Session: Session,
@@ -64,7 +53,7 @@ const compiler = {
 
         options = typeof options !== "undefined" ? options : {};
 
-        options = processOptions( options, {
+        options = util.processOptions( options, {
             allowedStartRules: [ ast.rules[ 0 ].name ],
             cache: false,
             context: {},
diff --git a/lib/typings/api.d.ts b/lib/typings/api.d.ts
index ccae834..69b7e93 100644
--- a/lib/typings/api.d.ts
+++ b/lib/typings/api.d.ts
@@ -538,8 +538,6 @@ declare namespace peg {
 
     interface IObjectUtils {
 
-        convertPasses( stages: IStageMap ): compiler.IPassesMap;
-
         clone( source: {} ): {};
         each( object: {}, iterator: IIterator<void> ): void;
         extend( target: {}, source: {} ): {};
@@ -550,7 +548,9 @@ declare namespace peg {
     }
     interface util extends IObjectUtils {
 
+        noop(): void;
         convertPasses( stages: IStageMap ): compiler.IPassesMap;
+        processOptions( options: {}, defaults: {} ): {};
 
     }
     const util: util;
diff --git a/lib/typings/modules.d.ts b/lib/typings/modules.d.ts
index e710871..740296a 100644
--- a/lib/typings/modules.d.ts
+++ b/lib/typings/modules.d.ts
@@ -181,3 +181,9 @@ declare module "pegjs/lib/util/objects" {
     export default objects;
 
 }
+
+declare module "pegjs/lib/util/process-options" {
+
+    export default peg.util.processOptions;
+
+}
diff --git a/lib/util/index.js b/lib/util/index.js
index 526fc7f..ad6ebb3 100644
--- a/lib/util/index.js
+++ b/lib/util/index.js
@@ -5,5 +5,6 @@ const objects = require( "./objects" );
 exports.noop = function noop() { };
 
 exports.convertPasses = require( "./convert-passes" );
+exports.processOptions = require( "./process-options" );
 
 objects.extend( exports, objects );
diff --git a/lib/util/process-options.js b/lib/util/process-options.js
new file mode 100644
index 0000000..cf06a83
--- /dev/null
+++ b/lib/util/process-options.js
@@ -0,0 +1,16 @@
+"use strict";
+
+const objects = require( "./objects" );
+
+function processOptions( options, defaults ) {
+
+    const processedOptions = {};
+
+    objects.extend( processedOptions, options );
+    objects.extend( processedOptions, defaults );
+
+    return processedOptions;
+
+}
+
+module.exports = processOptions;