diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index 8f62015f733fd..cf78c23ff2e50 100644
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -174,6 +174,17 @@ PHP 8.4 INTERNALS UPGRADE NOTES
    - The macro RAND_RANGE_BADSCALING() has been removed. The implementation
      should either be inlined and undefined behavior fixed or it should be
      replaced by a non-biased scaler.
+   - The php_srand() and php_rand() functions have been removed. These were
+     slim wrappers around the corresponding php_mt_srand() and php_mt_rand()
+     function since PHP 7.1, but using zend_long instead of uint32_t as their
+     input/output types. This made their behavior incompatible between 32-bit
+     and 64-bit builds of PHP. Users of these functions are encouraged to
+     migrate to one of the more modern engines provided since PHP 8.2. If that
+     is not possible, due to backwards compatibility requirements, then the
+     php_mt_srand() and php_mt_rand() functions should be called directly and
+     the values appropriately casted.
+   - The PHP_RAND_MAX and RAND_MAX constants corresponding to the removed
+     php_rand() have also been removed.
    - The generate member of a php_random_algo is now expected to return
      the new php_random_result struct, replacing the last_generated_size
      member of the php_random_status struct and the generate_size member of
diff --git a/ext/random/php_random.h b/ext/random/php_random.h
index 45c527a39effb..4dac912e75a7d 100644
--- a/ext/random/php_random.h
+++ b/ext/random/php_random.h
@@ -58,15 +58,6 @@ PHPAPI uint32_t php_mt_rand(void);
 PHPAPI zend_long php_mt_rand_range(zend_long min, zend_long max);
 PHPAPI zend_long php_mt_rand_common(zend_long min, zend_long max);
 
-# ifndef RAND_MAX
-#  define RAND_MAX PHP_MT_RAND_MAX
-# endif
-
-# define PHP_RAND_MAX PHP_MT_RAND_MAX
-
-PHPAPI void php_srand(zend_long seed);
-PHPAPI zend_long php_rand(void);
-
 typedef struct _php_random_status_state_combinedlcg {
 	int32_t state[2];
 } php_random_status_state_combinedlcg;
diff --git a/ext/random/random.c b/ext/random/random.c
index 8acf3ee17ef7b..9c31f9306df5d 100644
--- a/ext/random/random.c
+++ b/ext/random/random.c
@@ -446,20 +446,6 @@ PHPAPI zend_long php_mt_rand_common(zend_long min, zend_long max)
 }
 /* }}} */
 
-/* {{{ php_srand */
-PHPAPI void php_srand(zend_long seed)
-{
-	php_mt_srand((uint32_t) seed);
-}
-/* }}} */
-
-/* {{{ php_rand */
-PHPAPI zend_long php_rand(void)
-{
-	return php_mt_rand();
-}
-/* }}} */
-
 /* {{{ Returns a value from the combined linear congruential generator */
 PHP_FUNCTION(lcg_value)
 {