diff --git a/packages/gatsby-theme-material-ui-layout/package.json b/packages/gatsby-theme-material-ui-layout/package.json
index 8521cca..068c7dd 100644
--- a/packages/gatsby-theme-material-ui-layout/package.json
+++ b/packages/gatsby-theme-material-ui-layout/package.json
@@ -17,14 +17,15 @@
   "main": "index.js",
   "scripts": {},
   "dependencies": {
-    "gatsby-theme-material-ui": "^1.0.0",
     "nprogress": "^0.2.0"
   },
   "peerDependencies": {
+    "gatsby-theme-material-ui": "^1.0.0",
     "react": "^16.8.6",
     "react-dom": "^16.8.6"
   },
   "devDependencies": {
+    "gatsby-theme-material-ui": "^1.0.0",
     "react": "^16.8.6",
     "react-dom": "^16.8.6"
   }
diff --git a/www/gatsby-config.js b/www/gatsby-config.js
index 2e0f750..8bb7f5d 100644
--- a/www/gatsby-config.js
+++ b/www/gatsby-config.js
@@ -22,10 +22,6 @@ module.exports = {
       resolve: `gatsby-theme-material-ui-layout`,
       options: {},
     },
-    {
-      resolve: `gatsby-theme-material-ui-layout`,
-      options: {},
-    },
     {
       resolve: `gatsby-theme-netlify-cms`,
       options: {},