diff --git a/src/app-bar.jsx b/src/app-bar.jsx
index bb84d502ea2b34..c558235a6a7010 100644
--- a/src/app-bar.jsx
+++ b/src/app-bar.jsx
@@ -61,6 +61,7 @@ var AppBar = React.createClass({
       },
       title: {
         float: 'left',
+        margin: 0,
         paddingTop: 0,
         letterSpacing: 0,
         fontSize: '24px',
diff --git a/src/dialog.jsx b/src/dialog.jsx
index ae391eb5eaa0a7..71cb77b0f788ca 100644
--- a/src/dialog.jsx
+++ b/src/dialog.jsx
@@ -19,6 +19,7 @@ var Dialog = React.createClass({
     var gutter = Spacing.desktopGutter + 'px ';
     var styles = {
       title: {
+        margin: 0,
         padding: gutter + gutter + '0 ' + gutter,
         color: this.context.muiTheme.palette.textColor
       },