diff --git a/generated/functionsList.php b/generated/functionsList.php
index 60fbea9a..8d853952 100644
--- a/generated/functionsList.php
+++ b/generated/functionsList.php
@@ -913,7 +913,6 @@
     'simplexml_import_dom',
     'simplexml_load_file',
     'simplexml_load_string',
-    'sleep',
     'socket_accept',
     'socket_addrinfo_bind',
     'socket_addrinfo_connect',
diff --git a/generated/misc.php b/generated/misc.php
index b608509d..ab4ac59b 100644
--- a/generated/misc.php
+++ b/generated/misc.php
@@ -418,32 +418,6 @@ function sapi_windows_vt100_support($stream, bool $enable = null): void
 }
 
 
-/**
- *
- *
- * @param int $seconds Halt time in seconds.
- * @return int Returns zero on success.
- *
- * If the call was interrupted by a signal, sleep returns
- * a non-zero value. On Windows, this value will always be
- * 192 (the value of the
- * WAIT_IO_COMPLETION constant within the Windows API).
- * On other platforms, the return value will be the number of seconds left to
- * sleep.
- * @throws MiscException
- *
- */
-function sleep(int $seconds): int
-{
-    error_clear_last();
-    $safeResult = \sleep($seconds);
-    if ($safeResult === false) {
-        throw MiscException::createFromPhpError();
-    }
-    return $safeResult;
-}
-
-
 /**
  * Delays program execution for the given number of
  * seconds and nanoseconds.
diff --git a/rector-migrate.php b/rector-migrate.php
index a7c7b475..2204db68 100644
--- a/rector-migrate.php
+++ b/rector-migrate.php
@@ -920,7 +920,6 @@
             'simplexml_import_dom' => 'Safe\simplexml_import_dom',
             'simplexml_load_file' => 'Safe\simplexml_load_file',
             'simplexml_load_string' => 'Safe\simplexml_load_string',
-            'sleep' => 'Safe\sleep',
             'socket_accept' => 'Safe\socket_accept',
             'socket_addrinfo_bind' => 'Safe\socket_addrinfo_bind',
             'socket_addrinfo_connect' => 'Safe\socket_addrinfo_connect',