diff --git a/packages/gatsby-source-filesystem/src/create-remote-file-node.js b/packages/gatsby-source-filesystem/src/create-remote-file-node.js
index fbc87fc301545..08417cdf84fc2 100644
--- a/packages/gatsby-source-filesystem/src/create-remote-file-node.js
+++ b/packages/gatsby-source-filesystem/src/create-remote-file-node.js
@@ -6,7 +6,6 @@ const { isWebUri } = require(`valid-url`)
 const Queue = require(`better-queue`)
 
 const { createFileNode } = require(`./create-file-node`)
-const getMaxFileLock = require(`./get-max-file-lock`)
 const cacheId = url => `create-remote-file-node-${url}`
 
 /********************
@@ -96,12 +95,6 @@ const queue = new Queue(pushToQueue, {
   concurrent: 200,
 })
 
-// Detetmine the max file descriptors on the users machine
-// Then set the batch size to be 3/4 of that becuase the user
-// will most likely have files open already
-getMaxFileLock().then((max) => {
-  queue.concurrent = max * .75
-})
 
 /**
  * @callback {Queue~queueCallback}
diff --git a/packages/gatsby-source-filesystem/src/get-max-file-lock.js b/packages/gatsby-source-filesystem/src/get-max-file-lock.js
deleted file mode 100644
index e7ab59fe1705b..0000000000000
--- a/packages/gatsby-source-filesystem/src/get-max-file-lock.js
+++ /dev/null
@@ -1,20 +0,0 @@
-const { spawn } = require(`child_process`)
-
-module.exports = function () {
-  return new Promise((resolve, reject) => {
-    const cp = spawn(`ulimit`, [`-n`])
-
-    let output = ``
-    cp.stdout.setEncoding(`utf8`)
-
-    cp.stdout.on(`data`, data => output += data)
-    cp.stdout.on(`exit`, code => {
-      // If the ulimit command fails, or doesn't exist in the environment,
-      // fall back to a safe number
-      // This will most likely happen on Windows
-      if (code != 0) { resolve(256) }
-
-      resolve(parseInt(output, 10))
-    })
-  })
-}