diff --git a/generated/array.php b/generated/array.php
index b1b1a320..4a6b844f 100644
--- a/generated/array.php
+++ b/generated/array.php
@@ -102,42 +102,6 @@ function array_multisort(array &$array1, $array1_sort_order = SORT_ASC, $array1_
 }
 
 
-/**
- * Searches haystack for needle.
- *
- * @param mixed $needle The searched value.
- *
- * If needle is a string, the comparison is done
- * in a case-sensitive manner.
- * @param array $haystack The array.
- * @param bool $strict If the third parameter strict is set to TRUE
- * then the array_search function will search for
- * identical elements in the
- * haystack. This means it will also perform a
- * strict type comparison of the
- * needle in the haystack,
- * and objects must be the same instance.
- * @return int|string Returns the key for needle if it is found in the
- * array, FALSE otherwise.
- *
- * If needle is found in haystack
- * more than once, the first matching key is returned. To return the keys for
- * all matching values, use array_keys with the optional
- * search_value parameter instead.
- * @throws ArrayException
- *
- */
-function array_search($needle, array $haystack, bool $strict = false)
-{
-    error_clear_last();
-    $result = \array_search($needle, $haystack, $strict);
-    if ($result === false) {
-        throw ArrayException::createFromPhpError();
-    }
-    return $result;
-}
-
-
 /**
  * Applies the user-defined callback function to each
  * element of the array. This function will recurse
diff --git a/generated/functionsList.php b/generated/functionsList.php
index 1a19ca79..bd23485b 100644
--- a/generated/functionsList.php
+++ b/generated/functionsList.php
@@ -27,7 +27,6 @@
     'apcu_sma_info',
     'array_combine',
     'array_multisort',
-    'array_search',
     'array_walk_recursive',
     'arsort',
     'asort',
@@ -451,7 +450,6 @@
     'mailparse_msg_parse_file',
     'mailparse_msg_parse',
     'mailparse_stream_encode',
-    'mb_check_encoding',
     'mb_chr',
     'mb_detect_order',
     'mb_encoding_aliases',
diff --git a/generated/mbstring.php b/generated/mbstring.php
index 4530b070..80c3bf7c 100644
--- a/generated/mbstring.php
+++ b/generated/mbstring.php
@@ -4,30 +4,6 @@
 
 use Safe\Exceptions\MbstringException;
 
-/**
- * Checks if the specified byte stream is valid for the specified encoding.
- * It is useful to prevent so-called "Invalid Encoding Attack".
- *
- * @param string $var The byte stream to check. If it is omitted, this function checks
- * all the input from the beginning of the request.
- * @param string $encoding The expected encoding.
- * @throws MbstringException
- *
- */
-function mb_check_encoding(string $var = null, string $encoding = null): void
-{
-    error_clear_last();
-    if ($encoding !== null) {
-        $result = \mb_check_encoding($var, $encoding);
-    } else {
-        $result = \mb_check_encoding($var);
-    }
-    if ($result === false) {
-        throw MbstringException::createFromPhpError();
-    }
-}
-
-
 /**
  *
  *
diff --git a/generator/config/ignoredFunctions.php b/generator/config/ignoredFunctions.php
index b9d4cbdb..624ded8f 100644
--- a/generator/config/ignoredFunctions.php
+++ b/generator/config/ignoredFunctions.php
@@ -10,4 +10,6 @@
     'func_get_arg',
     //'mktime', // 7th parameter has been removed in PHP 7
     'call_user_func_array',
+    'mb_check_encoding',
+    'array_search',
 ];
\ No newline at end of file
diff --git a/rector-migrate.yml b/rector-migrate.yml
index 05c62fb5..24e6ed4c 100644
--- a/rector-migrate.yml
+++ b/rector-migrate.yml
@@ -28,7 +28,6 @@ services:
       apcu_sma_info: 'Safe\apcu_sma_info'
       array_combine: 'Safe\array_combine'
       array_multisort: 'Safe\array_multisort'
-      array_search: 'Safe\array_search'
       array_walk_recursive: 'Safe\array_walk_recursive'
       arsort: 'Safe\arsort'
       asort: 'Safe\asort'
@@ -452,7 +451,6 @@ services:
       mailparse_msg_parse_file: 'Safe\mailparse_msg_parse_file'
       mailparse_msg_parse: 'Safe\mailparse_msg_parse'
       mailparse_stream_encode: 'Safe\mailparse_stream_encode'
-      mb_check_encoding: 'Safe\mb_check_encoding'
       mb_chr: 'Safe\mb_chr'
       mb_detect_order: 'Safe\mb_detect_order'
       mb_encoding_aliases: 'Safe\mb_encoding_aliases'