diff --git a/wp-includes/compat.php b/wp-includes/compat.php
index 24da0adc3e..781e7a728f 100644
--- a/wp-includes/compat.php
+++ b/wp-includes/compat.php
@@ -332,8 +332,3 @@ if ( ! interface_exists( 'JsonSerializable' ) ) {
 		public function jsonSerialize();
 	}
 }
-
-// random_int was introduced in PHP 7.0
-if ( ! function_exists( 'random_int' ) ) {
-	require ABSPATH . WPINC . '/random_compat/random.php';
-}
diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 36e330be3a..d58f18940b 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -2132,11 +2132,9 @@ if ( !function_exists('wp_rand') ) :
  * Generates a random number
  *
  * @since 2.6.2
- * @since 4.4 Uses PHP7 random_int() or the random_compat library if avaialble.
  *
  * @global string $rnd_value
  * @staticvar string $seed
- * @staticvar bool $external_rand_source_available
  *
  * @param int $min Lower limit for the generated number
  * @param int $max Upper limit for the generated number
@@ -2145,34 +2143,6 @@ if ( !function_exists('wp_rand') ) :
 function wp_rand( $min = 0, $max = 0 ) {
 	global $rnd_value;
 
-	// Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
-	$max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
-
-	// We only handle Ints, floats are truncated to their integer value.
-	$min = (int) $min;
-	$max = (int) $max;
-
-	// Use PHP's CSPRNG, or a compatible method
-	static $use_random_int_functionality = true;
-	if ( $use_random_int_functionality ) {
-		try {
-			$_max = ( 0 != $max ) ? $max : $max_random_number;
-			// wp_rand() can accept arguements in either order, PHP cannot.
-			$_max = max( $min, $_max );
-			$_min = min( $min, $_max );
-			$val = random_int( $_min, $_max );
-			if ( false !== $val ) {
-				return absint( $val );
-			} else {
-				$use_random_int_functionality = false;
-			}
-		} catch ( Throwable $t ) { 
-			$use_random_int_functionality = false;
-		} catch ( Exception $e ) {
-			$use_random_int_functionality = false;
-		}
-	}
-
 	// Reset $rnd_value after 14 uses
 	// 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
 	if ( strlen($rnd_value) < 8 ) {
@@ -2197,6 +2167,9 @@ function wp_rand( $min = 0, $max = 0 ) {
 
 	$value = abs(hexdec($value));
 
+	// Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
+	$max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
+
 	// Reduce the value to be within the min - max range
 	if ( $max != 0 )
 		$value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
diff --git a/wp-includes/random_compat/byte_safe_strings.php b/wp-includes/random_compat/byte_safe_strings.php
deleted file mode 100644
index c6dc2a865a..0000000000
--- a/wp-includes/random_compat/byte_safe_strings.php
+++ /dev/null
@@ -1,154 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library
- * for using the new PHP 7 random_* API in PHP 5 projects
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 Paragon Initiative Enterprises
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-if (!function_exists('RandomCompat_strlen')) {
-    if (defined('MB_OVERLOAD_STRING') && ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING) {
-        /**
-         * strlen() implementation that isn't brittle to mbstring.func_overload
-         *
-         * This version uses mb_strlen() in '8bit' mode to treat strings as raw
-         * binary rather than UTF-8, ISO-8859-1, etc
-         *
-         * @param string $binary_string
-         *
-         * @throws TypeError
-         *
-         * @return int
-         */
-        function RandomCompat_strlen($binary_string)
-        {
-            if (!is_string($binary_string)) {
-                throw new TypeError(
-                    'RandomCompat_strlen() expects a string'
-                );
-            }
-            return mb_strlen($binary_string, '8bit');
-        }
-    } else {
-        /**
-         * strlen() implementation that isn't brittle to mbstring.func_overload
-         *
-         * This version just used the default strlen()
-         *
-         * @param string $binary_string
-         *
-         * @throws TypeError
-         *
-         * @return int
-         */
-        function RandomCompat_strlen($binary_string)
-        {
-            if (!is_string($binary_string)) {
-                throw new TypeError(
-                    'RandomCompat_strlen() expects a string'
-                );
-            }
-            return strlen($binary_string);
-        }
-    }
-}
-
-if (!function_exists('RandomCompat_substr')) {
-    if (defined('MB_OVERLOAD_STRING') && ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING) {
-        /**
-         * substr() implementation that isn't brittle to mbstring.func_overload
-         *
-         * This version uses mb_substr() in '8bit' mode to treat strings as raw
-         * binary rather than UTF-8, ISO-8859-1, etc
-         *
-         * @param string $binary_string
-         * @param int $start
-         * @param int $length (optional)
-         *
-         * @throws TypeError
-         *
-         * @return string
-         */
-        function RandomCompat_substr($binary_string, $start, $length = null)
-        {
-            if (!is_string($binary_string)) {
-                throw new TypeError(
-                    'RandomCompat_substr(): First argument should be a string'
-                );
-            }
-            if (!is_int($start)) {
-                throw new TypeError(
-                    'RandomCompat_substr(): Second argument should be an integer'
-                );
-            }
-            if ($length === null) {
-                /**
-                 * mb_substr($str, 0, NULL, '8bit') returns an empty string on
-                 * PHP 5.3, so we have to find the length ourselves.
-                 */
-                $length = RandomCompat_strlen($length) - $start;
-            } elseif (!is_int($length)) {
-                throw new TypeError(
-                    'RandomCompat_substr(): Third argument should be an integer, or omitted'
-                );
-            }
-            return mb_substr($binary_string, $start, $length, '8bit');
-        }
-    } else {
-        /**
-         * substr() implementation that isn't brittle to mbstring.func_overload
-         *
-         * This version just uses the default substr()
-         *
-         * @param string $binary_string
-         * @param int $start
-         * @param int $length (optional)
-         *
-         * @throws TypeError
-         *
-         * @return string
-         */
-        function RandomCompat_substr($binary_string, $start, $length = null)
-        {
-            if (!is_string($binary_string)) {
-                throw new TypeError(
-                    'RandomCompat_substr(): First argument should be a string'
-                );
-            }
-            if (!is_int($start)) {
-                throw new TypeError(
-                    'RandomCompat_substr(): Second argument should be an integer'
-                );
-            }
-            if ($length !== null) {
-                if (!is_int($length)) {
-                    throw new TypeError(
-                        'RandomCompat_substr(): Third argument should be an integer, or omitted'
-                    );
-                }
-                return substr($binary_string, $start, $length);
-            }
-            return substr($binary_string, $start);
-        }
-    }
-}
diff --git a/wp-includes/random_compat/error_polyfill.php b/wp-includes/random_compat/error_polyfill.php
deleted file mode 100644
index 7253ff7245..0000000000
--- a/wp-includes/random_compat/error_polyfill.php
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-if (!interface_exists('Throwable', false)) {
-    interface Throwable
-    {
-        public function getMessage();
-        public function getCode();
-        public function getFile();
-        public function getLine();
-        public function getTrace();
-        public function getTraceAsString();
-        public function getPrevious();
-        public function __toString();
-    }
-}
-
-if (!class_exists('Error', false)) {
-    // We can't really avoid making this extend Exception in PHP 5.
-    class Error extends Exception implements Throwable
-    {
-        
-    }
-}
-
-if (!class_exists('TypeError', false)) {
-    class TypeError extends Error
-    {
-        
-    }
-}
\ No newline at end of file
diff --git a/wp-includes/random_compat/random.php b/wp-includes/random_compat/random.php
deleted file mode 100644
index 1530f7ee25..0000000000
--- a/wp-includes/random_compat/random.php
+++ /dev/null
@@ -1,83 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-if (!defined('PHP_VERSION_ID')) {
-    // This constant was introduced in PHP 5.2.7
-    $version = explode('.', PHP_VERSION);
-    define('PHP_VERSION_ID', ($version[0] * 10000 + $version[1] * 100 + $version[2]));
-}
-if (PHP_VERSION_ID < 70000) {
-    if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
-        define('RANDOM_COMPAT_READ_BUFFER', 8);
-    }
-    require_once "byte_safe_strings.php";
-    require_once "error_polyfill.php";
-    if (!function_exists('random_bytes')) {
-        /**
-         * PHP 5.2.0 - 5.6.x way to implement random_bytes()
-         * 
-         * We use conditional statements here to define the function in accordance
-         * to the operating environment. It's a micro-optimization.
-         * 
-         * In order of preference:
-         *   1. fread() /dev/urandom if available
-         *   2. mcrypt_create_iv($bytes, MCRYPT_CREATE_IV)
-         *   3. COM('CAPICOM.Utilities.1')->GetRandom()
-         *   4. openssl_random_pseudo_bytes()
-         * 
-         * See ERRATA.md for our reasoning behind this particular order
-         */
-        if (!ini_get('open_basedir') && is_readable('/dev/urandom')) {
-            // See random_bytes_dev_urandom.php
-            require_once "random_bytes_dev_urandom.php";
-        } elseif (PHP_VERSION_ID >= 50307 && function_exists('mcrypt_create_iv')) {
-            // See random_bytes_mcrypt.php
-            require_once "random_bytes_mcrypt.php";
-        } elseif (extension_loaded('com_dotnet')) {
-            // See random_bytes_com_dotnet.php
-            require_once "random_bytes_com_dotnet.php";
-        } elseif (function_exists('openssl_random_pseudo_bytes')) {
-            // See random_bytes_openssl.php
-            require_once "random_bytes_openssl.php";
-        } else {
-            /**
-             * We don't have any more options, so let's throw an exception right now
-             * and hope the developer won't let it fail silently.
-             */
-            function random_bytes()
-            {
-                throw new Exception(
-                    'There is no suitable CSPRNG installed on your system'
-                );
-            }
-        }
-    }
-    if (!function_exists('random_int')) {
-        require_once "random_int.php";
-    }
-}
diff --git a/wp-includes/random_compat/random_bytes_com_dotnet.php b/wp-includes/random_compat/random_bytes_com_dotnet.php
deleted file mode 100644
index cebe616ab2..0000000000
--- a/wp-includes/random_compat/random_bytes_com_dotnet.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/**
- * Windows with PHP < 5.3.0 will not have the function
- * openssl_random_pseudo_bytes() available, so let's use
- * CAPICOM to work around this deficiency.
- * 
- * @param int $bytes
- * 
- * @throws Exception
- * 
- * @return string
- */
-function random_bytes($bytes)
-{
-    if (!is_int($bytes)) {
-        throw new TypeError(
-            'Length must be an integer'
-        );
-    }
-    if ($bytes < 1) {
-        throw new Error(
-            'Length must be greater than 0'
-        );
-    }
-    $buf = '';
-    $util = new COM('CAPICOM.Utilities.1');
-    $execCount = 0;
-    /**
-     * Let's not let it loop forever. If we run N times and fail to
-     * get N bytes of random data, then CAPICOM has failed us.
-     */
-    do {
-        $buf .= base64_decode($util->GetRandom($bytes, 0));
-        if (RandomCompat_strlen($buf) >= $bytes) {
-            /**
-             * Return our random entropy buffer here:
-             */
-            return RandomCompat_substr($buf, 0, $bytes);
-        }
-        ++$execCount; 
-    } while ($execCount < $bytes);
-    /**
-     * If we reach here, PHP has failed us.
-     */
-    throw new Exception(
-        'PHP failed to generate random data.'
-    );
-}
diff --git a/wp-includes/random_compat/random_bytes_dev_urandom.php b/wp-includes/random_compat/random_bytes_dev_urandom.php
deleted file mode 100644
index 09bd49f551..0000000000
--- a/wp-includes/random_compat/random_bytes_dev_urandom.php
+++ /dev/null
@@ -1,135 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
-    define('RANDOM_COMPAT_READ_BUFFER', 8);
-}
-
-/**
- * Unless open_basedir is enabled, use /dev/urandom for
- * random numbers in accordance with best practices
- * 
- * Why we use /dev/urandom and not /dev/random
- * @ref http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers
- * 
- * @param int $bytes
- * 
- * @throws Exception
- * 
- * @return string
- */
-function random_bytes($bytes)
-{
-    static $fp = null;
-    /**
-     * This block should only be run once
-     */
-    if (empty($fp)) {
-        /**
-         * We use /dev/urandom if it is a char device.
-         * We never fall back to /dev/random
-         */
-        $fp = fopen('/dev/urandom', 'rb');
-        if (!empty($fp)) {
-            $st = fstat($fp);
-            if (($st['mode'] & 0170000) !== 020000) {
-                fclose($fp);
-                $fp = false;
-            }
-        }
-        /**
-         * stream_set_read_buffer() does not exist in HHVM
-         * 
-         * If we don't set the stream's read buffer to 0, PHP will
-         * internally buffer 8192 bytes, which can waste entropy
-         * 
-         * stream_set_read_buffer returns 0 on success
-         */
-        if (!empty($fp) && function_exists('stream_set_read_buffer')) {
-            stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
-        }
-    }
-    if (!is_int($bytes)) {
-        throw new TypeError(
-            'Length must be an integer'
-        );
-    }
-    if ($bytes < 1) {
-        throw new Error(
-            'Length must be greater than 0'
-        );
-    }
-    /**
-     * This if() block only runs if we managed to open a file handle
-     * 
-     * It does not belong in an else {} block, because the above 
-     * if (empty($fp)) line is logic that should only be run once per
-     * page load.
-     */
-    if (!empty($fp)) {
-        $remaining = $bytes;
-        $buf = '';
-        /**
-         * We use fread() in a loop to protect against partial reads
-         */
-        do {
-            $read = fread($fp, $remaining); 
-            if ($read === false) {
-                /**
-                 * We cannot safely read from the file. Exit the
-                 * do-while loop and trigger the exception condition
-                 */
-                $buf = false;
-                break;
-            }
-            /**
-             * Decrease the number of bytes returned from remaining
-             */
-            $remaining -= RandomCompat_strlen($read);
-            $buf .= $read;
-        } while ($remaining > 0);
-        
-        /**
-         * Is our result valid?
-         */
-        if ($buf !== false) {
-            if (RandomCompat_strlen($buf) === $bytes) {
-                /**
-                 * Return our random entropy buffer here:
-                 */
-                return $buf;
-            }
-        }
-    }
-    /**
-     * If we reach here, PHP has failed us.
-     */
-    throw new Exception(
-        'PHP failed to generate random data.'
-    );
-}
diff --git a/wp-includes/random_compat/random_bytes_mcrypt.php b/wp-includes/random_compat/random_bytes_mcrypt.php
deleted file mode 100644
index 8d3b728371..0000000000
--- a/wp-includes/random_compat/random_bytes_mcrypt.php
+++ /dev/null
@@ -1,70 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-
-/**
- * Powered by ext/mcrypt (and thankfully NOT libmcrypt)
- * 
- * @ref https://bugs.php.net/bug.php?id=55169
- * @ref https://github.com/php/php-src/blob/c568ffe5171d942161fc8dda066bce844bdef676/ext/mcrypt/mcrypt.c#L1321-L1386
- * 
- * @param int $bytes
- * 
- * @throws Exception
- * 
- * @return string
- */
-function random_bytes($bytes)
-{
-    if (!is_int($bytes)) {
-        throw new TypeError(
-            'Length must be an integer'
-        );
-    }
-    if ($bytes < 1) {
-        throw new Error(
-            'Length must be greater than 0'
-        );
-    }
-
-    $buf = mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
-    if ($buf !== false) {
-        if (RandomCompat_strlen($buf) === $bytes) {
-            /**
-             * Return our random entropy buffer here:
-             */
-            return $buf;
-        }
-    }
-    /**
-     * If we reach here, PHP has failed us.
-     */
-    throw new Exception(
-        'PHP failed to generate random data.'
-    );
-}
diff --git a/wp-includes/random_compat/random_bytes_openssl.php b/wp-includes/random_compat/random_bytes_openssl.php
deleted file mode 100644
index 075fd8d89b..0000000000
--- a/wp-includes/random_compat/random_bytes_openssl.php
+++ /dev/null
@@ -1,74 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/**
- * Since openssl_random_pseudo_bytes() uses openssl's 
- * RAND_pseudo_bytes() API, which has been marked as deprecated by the
- * OpenSSL team, this is our last resort before failure.
- * 
- * @ref https://www.openssl.org/docs/crypto/RAND_bytes.html
- * 
- * @param int $bytes
- * 
- * @throws Exception
- * 
- * @return string
- */
-function random_bytes($bytes)
-{
-    if (!is_int($bytes)) {
-        throw new TypeError(
-            'Length must be an integer'
-        );
-    }
-    if ($bytes < 1) {
-        throw new Error(
-            'Length must be greater than 0'
-        );
-    }
-    $secure = true;
-    /**
-     * $secure is passed by reference. If it's set to false, fail. Note
-     * that this will only return false if this function fails to return
-     * any data.
-     * 
-     * @ref https://github.com/paragonie/random_compat/issues/6#issuecomment-119564973
-     */
-    $buf = openssl_random_pseudo_bytes($bytes, $secure);
-    if ($buf !== false && $secure) {
-        if (RandomCompat_strlen($buf) === $bytes) {
-            return $buf;
-        }
-    }
-    /**
-     * If we reach here, PHP has failed us.
-     */
-    throw new Exception(
-        'PHP failed to generate random data.'
-    );
-}
diff --git a/wp-includes/random_compat/random_int.php b/wp-includes/random_compat/random_int.php
deleted file mode 100644
index 7fd50e7efd..0000000000
--- a/wp-includes/random_compat/random_int.php
+++ /dev/null
@@ -1,172 +0,0 @@
-<?php
-/**
- * Random_* Compatibility Library 
- * for using the new PHP 7 random_* API in PHP 5 projects
- * 
- * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/**
- * Fetch a random integer between $min and $max inclusive
- * 
- * @param int $min
- * @param int $max
- * 
- * @throws Exception
- * 
- * @return int
- */
-function random_int($min, $max)
-{
-    /**
-     * Type and input logic checks
-     */
-    if (!is_numeric($min)) {
-        throw new TypeError(
-            'random_int(): $min must be an integer'
-        );
-    }
-    if (!is_numeric($max)) {
-        throw new TypeError(
-            'random_int(): $max must be an integer'
-        );
-    }
-
-    $min = (int) $min;
-    $max = (int) $max;
-
-    if ($min > $max) {
-        throw new Error(
-            'Minimum value must be less than or equal to the maximum value'
-        );
-    }
-    if ($max === $min) {
-        return $min;
-    }
-
-    /**
-     * Initialize variables to 0
-     * 
-     * We want to store:
-     * $bytes => the number of random bytes we need
-     * $mask => an integer bitmask (for use with the &) operator
-     *          so we can minimize the number of discards
-     */
-    $attempts = $bits = $bytes = $mask = $valueShift = 0;
-
-    /**
-     * At this point, $range is a positive number greater than 0. It might
-     * overflow, however, if $max - $min > PHP_INT_MAX. PHP will cast it to
-     * a float and we will lose some precision.
-     */
-    $range = $max - $min;
-
-    /**
-     * Test for integer overflow:
-     */
-    if (!is_int($range)) {
-        /**
-         * Still safely calculate wider ranges.
-         * Provided by @CodesInChaos, @oittaa
-         * 
-         * @ref https://gist.github.com/CodesInChaos/03f9ea0b58e8b2b8d435
-         * 
-         * We use ~0 as a mask in this case because it generates all 1s
-         * 
-         * @ref https://eval.in/400356 (32-bit)
-         * @ref http://3v4l.org/XX9r5  (64-bit)
-         */
-        $bytes = PHP_INT_SIZE;
-        $mask = ~0;
-    } else {
-        /**
-         * $bits is effectively ceil(log($range, 2)) without dealing with 
-         * type juggling
-         */
-        while ($range > 0) {
-            if ($bits % 8 === 0) {
-               ++$bytes;
-            }
-            ++$bits;
-            $range >>= 1;
-            $mask = $mask << 1 | 1;
-        }
-        $valueShift = $min;
-    }
-
-    /**
-     * Now that we have our parameters set up, let's begin generating
-     * random integers until one falls between $min and $max
-     */
-    do {
-        /**
-         * The rejection probability is at most 0.5, so this corresponds
-         * to a failure probability of 2^-128 for a working RNG
-         */
-        if ($attempts > 128) {
-            throw new Exception(
-                'random_int: RNG is broken - too many rejections'
-            );
-        }
-
-        /**
-         * Let's grab the necessary number of random bytes
-         */
-        $randomByteString = random_bytes($bytes);
-        if ($randomByteString === false) {
-            throw new Exception(
-                'Random number generator failure'
-            );
-        }
-
-        /**
-         * Let's turn $randomByteString into an integer
-         * 
-         * This uses bitwise operators (<< and |) to build an integer
-         * out of the values extracted from ord()
-         * 
-         * Example: [9F] | [6D] | [32] | [0C] =>
-         *   159 + 27904 + 3276800 + 201326592 =>
-         *   204631455
-         */
-        $val = 0;
-        for ($i = 0; $i < $bytes; ++$i) {
-            $val |= ord($randomByteString[$i]) << ($i * 8);
-        }
-
-        /**
-         * Apply mask
-         */
-        $val &= $mask;
-        $val += $valueShift;
-
-        ++$attempts;
-        /**
-         * If $val overflows to a floating point number,
-         * ... or is larger than $max,
-         * ... or smaller than $int,
-         * then try again.
-         */
-    } while (!is_int($val) || $val > $max || $val < $min);
-    return (int) $val;
-}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d0767146dd..1129be9e89 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34923';
+$wp_version = '4.4-alpha-34924';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.