diff --git a/.babelrc b/.babelrc
index 6439009999..8f85e598f6 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,8 +1,5 @@
 {
   "optional": [
     "es7.objectRestSpread"
-  ],
-  "plugins": [
-    "object-assign"
   ]
 }
diff --git a/package.json b/package.json
index f4f6032f31..39af55d2f4 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,6 @@
     "babel-core": "^5.1.10",
     "babel-eslint": "^3.0.1",
     "babel-loader": "^5.0.0",
-    "babel-plugin-object-assign": "^1.1.0",
     "bootstrap": "^3.3.4",
     "brfs": "^1.4.0",
     "chai": "^2.2.0",
diff --git a/src/Interpolate.js b/src/Interpolate.js
index 46606b682d..6b07deaab8 100644
--- a/src/Interpolate.js
+++ b/src/Interpolate.js
@@ -23,7 +23,7 @@ const Interpolate = React.createClass({
         this.props.children : this.props.format;
     let parent = this.props.component;
     let unsafe = this.props.unsafe === true;
-    let props = Object.assign({}, this.props);
+    let props = {...this.props};
 
     delete props.children;
     delete props.format;
diff --git a/src/OverlayTrigger.js b/src/OverlayTrigger.js
index d630c52842..fa0c10cc94 100644
--- a/src/OverlayTrigger.js
+++ b/src/OverlayTrigger.js
@@ -304,10 +304,11 @@ const OverlayTrigger = React.createClass({
     const offset = container.tagName === 'BODY' ?
       domUtils.getOffset(node) : domUtils.getPosition(node, container);
 
-    return Object.assign({}, offset, {
+    return {
+      ...offset, // eslint-disable-line object-shorthand
       height: node.offsetHeight,
       width: node.offsetWidth
-    });
+    };
   }
 });