diff --git a/ext/standard/rand.c b/ext/standard/rand.c
index bc32f24e0be8..2dd05e70bba7 100644
--- a/ext/standard/rand.c
+++ b/ext/standard/rand.c
@@ -146,7 +146,7 @@ PHPAPI zend_long php_rand(void)
 #define loBits(u)     ((u) & 0x7FFFFFFFU)  /* mask     the highest   bit of u */
 #define mixBits(u, v) (hiBit(u)|loBits(v)) /* move hi bit of u to hi bit of v */
 
-#define twist(m,u,v)  (m ^ (mixBits(u,v)>>1) ^ ((php_uint32)(-(php_int32)(loBit(v))) & 0x9908b0dfU))
+#define twist(m,u,v)  (m ^ (mixBits(u,v)>>1) ^ ((php_uint32)(-(php_int32)(loBit(u))) & 0x9908b0dfU))
 
 /* {{{ php_mt_initialize
  */
diff --git a/ext/standard/tests/math/mt_rand_value.phpt b/ext/standard/tests/math/mt_rand_value.phpt
deleted file mode 100644
index eeb009e4b44e..000000000000
--- a/ext/standard/tests/math/mt_rand_value.phpt
+++ /dev/null
@@ -1,53 +0,0 @@
---TEST--
-Test mt_rand() - returns the exact same values as mt19937ar.c
---FILE--
-<?php
-
-mt_srand(12345678);
-
-for ($i=0; $i<16; $i++) {
-    echo mt_rand().PHP_EOL;
-}
-echo PHP_EOL;
-
-$x = 0;
-for ($i=0; $i<1024; $i++) {
-    $x ^= mt_rand();
-}
-echo $x.PHP_EOL;
-
-/*
-excpect values are obtained from original mt19937ar.c as follows:
-
-int i, x;
-init_genrand(12345678);
-for (i=0; i<16; i++) {
-    printf("%d\n", genrand_int31());
-}
-printf("\n");
-x = 0;
-for (i=0; i<1024; i++) {
-    x ^= genrand_int31();
-}
-printf("%d\n", x);
-*/
-?>
---EXPECTF--
-527860569
-1711027313
-1280820687
-688176834
-770499160
-412773096
-813703253
-898651287
-52508912
-757323740
-511765911
-274407457
-833082629
-1923803667
-1461450755
-1301698200
-
-1612214270