diff --git a/gatsby-node.js b/gatsby-node.js
index b57858d..d10f09a 100644
--- a/gatsby-node.js
+++ b/gatsby-node.js
@@ -1,30 +1,27 @@
 const _ = require("lodash")
-const Promise = require("bluebird")
-const path = require("path")
-const select = require(`unist-util-select`)
-const fs = require(`fs-extra`)
+const Promise = require('bluebird')
+const path = require('path')
 
 exports.createPages = ({ graphql, boundActionCreators }) => {
   const { createPage } = boundActionCreators
 
   return new Promise((resolve, reject) => {
-    const pages = []
     const blogPost = path.resolve("./src/templates/blog-post.js")
     resolve(
       graphql(
         `
-      {
-        allMarkdownRemark(limit: 1000) {
-          edges {
-            node {
-              frontmatter {
-                path
+          {
+            allMarkdownRemark(limit: 1000) {
+              edges {
+                node {
+                  frontmatter {
+                    path
+                  }
+                }
               }
             }
           }
-        }
-      }
-    `
+        `
       ).then(result => {
         if (result.errors) {
           console.log(result.errors)
diff --git a/package-lock.json b/package-lock.json
index 0b67586..8b4ce5d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5387,15 +5387,6 @@
         "babel-runtime": "6.26.0"
       }
     },
-    "gatsby-plugin-manifest": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/gatsby-plugin-manifest/-/gatsby-plugin-manifest-1.0.8.tgz",
-      "integrity": "sha512-29kLnhPvnzUzTXZXGyrbxoC0tF2c358SBUJH4Ui8dM63yi+3D/Vfvz4FXU8wd9WvjY+dU4yoE/12KUSRrqT7ig==",
-      "requires": {
-        "babel-runtime": "6.26.0",
-        "bluebird": "3.5.0"
-      }
-    },
     "gatsby-plugin-offline": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/gatsby-plugin-offline/-/gatsby-plugin-offline-1.0.10.tgz",
@@ -5405,16 +5396,6 @@
         "sw-precache": "5.2.0"
       }
     },
-    "gatsby-plugin-preact": {
-      "version": "1.0.12",
-      "resolved": "https://registry.npmjs.org/gatsby-plugin-preact/-/gatsby-plugin-preact-1.0.12.tgz",
-      "integrity": "sha512-78SbJ5RAUDYaaxYre1c3AUVOjDhoDstBTJHqyLQeMsrrBEFpTd9r1qF5s4AEjFVWFr9HPDWnVi4C5/7acqPbbw==",
-      "requires": {
-        "babel-runtime": "6.26.0",
-        "preact": "8.2.5",
-        "preact-compat": "3.17.0"
-      }
-    },
     "gatsby-plugin-react-helmet": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/gatsby-plugin-react-helmet/-/gatsby-plugin-react-helmet-1.0.8.tgz",
@@ -7003,14 +6984,6 @@
         "pngquant-bin": "3.1.1"
       }
     },
-    "immutability-helper": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/immutability-helper/-/immutability-helper-2.4.0.tgz",
-      "integrity": "sha512-rW/L/56ZMo9NStMK85kFrUFFGy4NeJbCdhfrDHIZrFfxYtuwuxD+dT3mWMcdmrNO61hllc60AeGglCRhfZ1dZw==",
-      "requires": {
-        "invariant": "2.2.2"
-      }
-    },
     "immutable": {
       "version": "3.8.2",
       "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.2.tgz",
@@ -10492,36 +10465,6 @@
         "uniqs": "2.0.0"
       }
     },
-    "preact": {
-      "version": "8.2.5",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-8.2.5.tgz",
-      "integrity": "sha1-y/o5YqgBJ2gVn20B1G+cHrMhPAo="
-    },
-    "preact-compat": {
-      "version": "3.17.0",
-      "resolved": "https://registry.npmjs.org/preact-compat/-/preact-compat-3.17.0.tgz",
-      "integrity": "sha1-Uoz9/DARkMGg9HVnM2vh9L4CZrM=",
-      "requires": {
-        "immutability-helper": "2.4.0",
-        "preact-render-to-string": "3.6.3",
-        "preact-transition-group": "1.1.1",
-        "prop-types": "15.5.10",
-        "standalone-react-addons-pure-render-mixin": "0.1.1"
-      }
-    },
-    "preact-render-to-string": {
-      "version": "3.6.3",
-      "resolved": "https://registry.npmjs.org/preact-render-to-string/-/preact-render-to-string-3.6.3.tgz",
-      "integrity": "sha1-SB0NW9rJGS0zR1V0N9XNAKoxIEM=",
-      "requires": {
-        "pretty-format": "3.8.0"
-      }
-    },
-    "preact-transition-group": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/preact-transition-group/-/preact-transition-group-1.1.1.tgz",
-      "integrity": "sha1-8KSTJ+pRXs406ivoZMSn0p5dbhA="
-    },
     "prepend-http": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
@@ -10552,11 +10495,6 @@
         "utila": "0.4.0"
       }
     },
-    "pretty-format": {
-      "version": "3.8.0",
-      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-3.8.0.tgz",
-      "integrity": "sha1-v77VbV6ad2ZF9LH/eqGjrE+jw4U="
-    },
     "prismjs": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.7.0.tgz",
@@ -12567,11 +12505,6 @@
       "resolved": "https://registry.npmjs.org/stackframe/-/stackframe-1.0.4.tgz",
       "integrity": "sha512-to7oADIniaYwS3MhtCa/sQhrxidCCQiF/qp4/m5iN3ipf0Y7Xlri0f6eG29r08aL7JYl8n32AF3Q5GYBZ7K8vw=="
     },
-    "standalone-react-addons-pure-render-mixin": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/standalone-react-addons-pure-render-mixin/-/standalone-react-addons-pure-render-mixin-0.1.1.tgz",
-      "integrity": "sha1-PHQJ9MecQN6axyxhbPZ5qZTzdVE="
-    },
     "stat-mode": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/stat-mode/-/stat-mode-0.2.2.tgz",
diff --git a/package.json b/package.json
index 0ea27bb..5b5e438 100644
--- a/package.json
+++ b/package.json
@@ -10,9 +10,7 @@
     "gatsby": "^1.9.73",
     "gatsby-link": "^1.6.22",
     "gatsby-plugin-google-analytics": "^1.0.10",
-    "gatsby-plugin-manifest": "^1.0.8",
     "gatsby-plugin-offline": "^1.0.10",
-    "gatsby-plugin-preact": "^1.0.12",
     "gatsby-plugin-react-helmet": "^1.0.8",
     "gatsby-plugin-sharp": "^1.6.9",
     "gatsby-plugin-typography": "^1.7.10",
diff --git a/src/layouts/index.js b/src/layouts/index.js
index fd4ae35..31ce92f 100644
--- a/src/layouts/index.js
+++ b/src/layouts/index.js
@@ -71,10 +71,4 @@ class Template extends React.Component {
   }
 }
 
-Template.propTypes = {
-  children: React.PropTypes.func,
-  location: React.PropTypes.object,
-  route: React.PropTypes.object,
-}
-
 export default Template
diff --git a/src/pages/index.js b/src/pages/index.js
index ed1e104..92cbc85 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -13,7 +13,7 @@ class BlogIndex extends React.Component {
 
     return (
       <div>
-        <Helmet title={get(this, 'props.data.site.siteMetadata.title')} />
+        <Helmet title={siteTitle} />
         <Bio />
         {posts.map(post => {
           if (post.node.path !== '/404/') {
@@ -29,7 +29,7 @@ class BlogIndex extends React.Component {
                     style={{ boxShadow: 'none' }}
                     to={post.node.frontmatter.path}
                   >
-                    {post.node.frontmatter.title}
+                    {title}
                   </Link>
                 </h3>
                 <small>{post.node.frontmatter.date}</small>
@@ -43,10 +43,6 @@ class BlogIndex extends React.Component {
   }
 }
 
-BlogIndex.propTypes = {
-  route: React.PropTypes.object,
-}
-
 export default BlogIndex
 
 export const pageQuery = graphql`
diff --git a/src/templates/blog-post.js b/src/templates/blog-post.js
index 0d4f55e..9aa5ada 100644
--- a/src/templates/blog-post.js
+++ b/src/templates/blog-post.js
@@ -1,6 +1,5 @@
 import React from 'react'
 import Helmet from 'react-helmet'
-import Link from 'gatsby-link'
 import get from 'lodash/get'
 
 import Bio from '../components/Bio'