diff --git a/src/utils/prism-theme.scss b/src/utils/prism-theme.scss
index 34d2c36..8e20063 100644
--- a/src/utils/prism-theme.scss
+++ b/src/utils/prism-theme.scss
@@ -19,14 +19,7 @@ li > code {
   margin: 0.5em 0;
   overflow: auto;
   border-radius: 0.3em;
-
-  -moz-tab-size: 4;
-  -o-tab-size: 4;
   tab-size: 4;
-
-  -webkit-hyphens: none;
-  -moz-hyphens: none;
-  -ms-hyphens: none;
   hyphens: none;
 }
 
@@ -41,14 +34,7 @@ pre[class*='language-'] {
   word-break: normal;
   word-wrap: normal;
   line-height: 1.5;
-
-  -moz-tab-size: 4;
-  -o-tab-size: 4;
   tab-size: 4;
-
-  -webkit-hyphens: none;
-  -moz-hyphens: none;
-  -ms-hyphens: none;
   hyphens: none;
 }
 
diff --git a/yarn.lock b/yarn.lock
index 7260f4e..23209ad 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3801,8 +3801,8 @@ gatsby-remark-autolink-headers@^1.4.13:
     unist-util-visit "^1.1.1"
 
 gatsby-remark-design-system@^1.0.9:
-  version "1.0.12"
-  resolved "https://registry.yarnpkg.com/gatsby-remark-design-system/-/gatsby-remark-design-system-1.0.12.tgz#dba4532b19403067ada6f5f67190a4cb5ed1208e"
+  version "1.0.14"
+  resolved "https://registry.yarnpkg.com/gatsby-remark-design-system/-/gatsby-remark-design-system-1.0.14.tgz#de3fa7d83a8c34283260eb32d4f7211c236cf16b"
   dependencies:
     babel-runtime "^6.26.0"
     lodash "^4.17.5"