diff --git a/packages/gatsby-plugin-sass/.gitignore b/packages/gatsby-plugin-sass/.gitignore
index 8f4bd83260b71..4e2b171fba82d 100644
--- a/packages/gatsby-plugin-sass/.gitignore
+++ b/packages/gatsby-plugin-sass/.gitignore
@@ -1,3 +1 @@
-node_modules
 /gatsby-node.js
-/index.js
\ No newline at end of file
diff --git a/packages/gatsby-plugin-sass/index.js b/packages/gatsby-plugin-sass/index.js
new file mode 100644
index 0000000000000..172f1ae6a468c
--- /dev/null
+++ b/packages/gatsby-plugin-sass/index.js
@@ -0,0 +1 @@
+// noop
diff --git a/packages/gatsby-plugin-sass/src/gatsby-node.js b/packages/gatsby-plugin-sass/src/gatsby-node.js
index 7bda40fb04c10..934345a04ca26 100644
--- a/packages/gatsby-plugin-sass/src/gatsby-node.js
+++ b/packages/gatsby-plugin-sass/src/gatsby-node.js
@@ -1,8 +1,6 @@
 import ExtractTextPlugin from "extract-text-webpack-plugin"
 
-exports.modifyWebpackConfig = ({ args }) => {
-  const { config, stage } = args
-
+exports.modifyWebpackConfig = ({ config, stage }) => {
   const cssModulesConf = `css?modules&minimize&importLoaders=1`
   const cssModulesConfDev = `${cssModulesConf}&sourceMap&localIdentName=[name]---[local]---[hash:base64:5]`