diff --git a/package.json b/package.json
index 70f11c1..5c427a4 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "lerna": "^2.4.0",
     "minimist": "^1.2.0",
     "rimraf": "^2.6.2",
-    "rollup": "^0.51.8",
+    "rollup": "^0.52.0",
     "rollup-plugin-buble": "^0.18.0",
     "rollup-plugin-commonjs": "^8.2.4",
     "rollup-plugin-node-builtins": "^2.1.2",

diff --git a/package.json b/package.json
index 70f11c1..5c427a4 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "lerna": "^2.4.0",
     "minimist": "^1.2.0",
     "rimraf": "^2.6.2",
-    "rollup": "^0.51.8",
+    "rollup": "^0.52.0",
     "rollup-plugin-buble": "^0.18.0",
     "rollup-plugin-commonjs": "^8.2.4",
     "rollup-plugin-node-builtins": "^2.1.2",
diff --git a/rollup.config.js b/rollup.config.js
index 70c46ab..c480ca4 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,7 +1,6 @@
 import PackageUtilities from 'lerna/lib/PackageUtilities';
 import Repository from 'lerna/lib/Repository';
 import path from 'path';
-import unfreeze from './tools/rollup-plugin-unfreeze/index';
 import transpile from 'rollup-plugin-buble';
 import resolve from 'rollup-plugin-node-resolve';
 import string from 'rollup-plugin-string';
@@ -55,7 +54,6 @@
         __VERSION__: repo.version,
     }),
     transpile(),
-    unfreeze(),
 ];
 
 if (args.prod)
@@ -99,10 +97,12 @@
         const basePath = path.relative(__dirname, pkg.location);
         const input = path.join(basePath, 'src/index.js');
         const { main, module, bundle } = pkg._package;
+        const freeze = false;
 
         results.push({
             banner,
             input,
+            freeze,
             output: [
                 {
                     file: path.join(basePath, main),
@@ -126,6 +126,7 @@
             results.push({
                 banner,
                 input,
+                freeze,
                 output: {
                     file: path.join(basePath, bundle),
                     format: 'umd',

diff --git a/package.json b/package.json
index 70f11c1..5c427a4 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "lerna": "^2.4.0",
     "minimist": "^1.2.0",
     "rimraf": "^2.6.2",
-    "rollup": "^0.51.8",
+    "rollup": "^0.52.0",
     "rollup-plugin-buble": "^0.18.0",
     "rollup-plugin-commonjs": "^8.2.4",
     "rollup-plugin-node-builtins": "^2.1.2",
diff --git a/rollup.config.js b/rollup.config.js
index 70c46ab..c480ca4 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,7 +1,6 @@
 import PackageUtilities from 'lerna/lib/PackageUtilities';
 import Repository from 'lerna/lib/Repository';
 import path from 'path';
-import unfreeze from './tools/rollup-plugin-unfreeze/index';
 import transpile from 'rollup-plugin-buble';
 import resolve from 'rollup-plugin-node-resolve';
 import string from 'rollup-plugin-string';
@@ -55,7 +54,6 @@
         __VERSION__: repo.version,
     }),
     transpile(),
-    unfreeze(),
 ];
 
 if (args.prod)
@@ -99,10 +97,12 @@
         const basePath = path.relative(__dirname, pkg.location);
         const input = path.join(basePath, 'src/index.js');
         const { main, module, bundle } = pkg._package;
+        const freeze = false;
 
         results.push({
             banner,
             input,
+            freeze,
             output: [
                 {
                     file: path.join(basePath, main),
@@ -126,6 +126,7 @@
             results.push({
                 banner,
                 input,
+                freeze,
                 output: {
                     file: path.join(basePath, bundle),
                     format: 'umd',
diff --git a/tools/rollup-plugin-unfreeze/index.js b/tools/rollup-plugin-unfreeze/index.js
deleted file mode 100644
index d696e8b..0000000
--- a/tools/rollup-plugin-unfreeze/index.js
+++ /dev/null
@@ -1,47 +0,0 @@
-const MagicString = require('magic-string');
-
-/**
- * This workaround plugin removes `Object.freeze` usage with Rollup
- * because there is no way to disable and we need it to
- * properly add deprecated methods/classes on namespaces
- * such as `PIXI.utils` or `PIXI.loaders`, code was borrowed
- * from 'rollup-plugin-replace'.
- * @todo Remove this when opt-out option for Rollup is available
- * @private
- */
-export default function unfreeze()
-{
-    const pattern = /Object.freeze\s*\(\s*([^)]*)\)/g;
-
-    return {
-        name: 'unfreeze',
-        transformBundle(code)
-        {
-            const str = new MagicString(code);
-            let hasReplacements = false;
-            let match;
-
-            while ((match = pattern.exec(code)))
-            {
-                hasReplacements = true;
-                const start = match.index;
-
-                str.overwrite(
-                    start,
-                    start + match[0].length,
-                    match[1]
-                );
-            }
-
-            if (!hasReplacements)
-            {
-                return null;
-            }
-
-            return {
-                code: str.toString(),
-                map: str.generateMap({ hires: true }),
-            };
-        },
-    };
-}