diff --git a/package.json b/package.json
index e1efb9b159aa5954580ecbab6f814dbb679199f6..d3c19d112f8bf7b523b2b87b43fba8160cfb86c0 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "grunt-contrib-rename": "0.0.3",
     "grunt-docker-io": "^0.7.0",
     "grunt-github-api": "^0.2.3",
-    "simple-git": "^1.32.1"
+    "simple-git": "^1.32.1",
+    "underscore": "^1.8.3"
   }
 }
diff --git a/settings.coffee b/settings.coffee
index c9d99521bd45fd619631fe1f0b3d0b5b088b88d6..81395d8b2e3bee23d89928899fbd086e8fb633f4 100644
--- a/settings.coffee
+++ b/settings.coffee
@@ -1,4 +1,5 @@
 Path = require('path')
+_ = require("underscore")
 
 # These credentials are used for authenticating api requests
 # between services that may need to go over public channels
@@ -391,6 +392,7 @@ if parse(process.env["SHARELATEX_IS_SERVER_PRO"]) == true
 	
 
 if process.env["SHARELATEX_LDAP_HOST"]
+	settings.externalAuth = true
 	settings.ldap =
 		host: process.env["SHARELATEX_LDAP_HOST"]
 		dn: process.env["SHARELATEX_LDAP_DN"]
@@ -424,6 +426,9 @@ if process.env["SHARELATEX_LDAP_HOST"]
 			rejectUnauthorized: process.env["SHARELATEX_LDAP_TLS_OPTS_REJECT_UNAUTH"] == "true"
 			ca:ca_paths  # e.g.'/etc/ldap/ca_certs.pem'
 
+if settings.externalAuth
+	settings.nav.header = _.filter settings.nav.header, (button)-> button.url != "/register"
+
 # Compiler
 # --------
 if process.env["SANDBOXED_COMPILES"] == "true"