diff --git a/webroot/index.php b/webroot/index.php
index 5694a13ec0..484652b3f6 100644
--- a/webroot/index.php
+++ b/webroot/index.php
@@ -36,8 +36,6 @@ if (version_compare(PHP_VERSION, $required_version) < 0) {
     "'{$required_version}'.");
 }
 
-phabricator_detect_insane_memory_limit();
-
 ini_set('memory_limit', -1);
 
 $env = getenv('PHABRICATOR_ENV'); // Apache
@@ -326,34 +324,6 @@ function phabricator_detect_bad_base_uri() {
   }
 }
 
-function phabricator_detect_insane_memory_limit() {
-  $memory_limit = ini_get('memory_limit');
-  $char_limit   = 12;
-  if (strlen($memory_limit) <= $char_limit) {
-    return;
-  }
-
-  // colmdoyle ran into an issue on an Ubuntu box with Suhosin where his
-  // 'memory_limit' was set to:
-  //
-  //   3232323232323232323232323232323232323232323232323232323232323232M
-  //
-  // Not a typo. A wizard did it.
-  //
-  // Anyway, with this 'memory_limit', the machine would immediately fatal
-  // when executing the ini_set() later. I wasn't able to reproduce this on my
-  // EC2 Ubuntu + Suhosin box, but verified that it caused the problem on his
-  // machine and that setting it to a more sensible value fixed it. Since I
-  // have no idea how to actually trigger the issue, we look for a coarse
-  // approximation of it (a memory_limit setting more than 12 characters in
-  // length).
-
-  phabricator_fatal_config_error(
-    "Your PHP 'memory_limit' is set to something ridiculous ".
-    "(\"{$memory_limit}\"). Set it to a more reasonable value (it must be no ".
-    "more than {$char_limit} characters long).");
-}
-
 function phabricator_shutdown() {
   $event = error_get_last();