diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 9337df331ba..5d637198e7d 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -520,7 +520,6 @@ function_entry basic_functions[] = {
 	PHP_FE(is_numeric,														NULL)
 	PHP_FE(is_string,														NULL)
 	PHP_FE(is_array,														NULL)
-	PHP_FE(is_array_multidimensional,										NULL)
 	PHP_FE(is_object,														NULL)
 	PHP_FE(is_scalar,														NULL)
 	PHP_FE(is_callable,				third_arg_force_ref)
@@ -1634,31 +1633,6 @@ PHP_FUNCTION(is_array)
 }
 /* }}} */
 
-/* {{{ proto bool is_array_multidimensional(mixed var)
-	Returns true if variable is a multidimensional array */
-PHP_FUNCTION(is_array_multidimensional)
-{
-	zval *var, **element;
-	int i = 0;
-	
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &var) == FAILURE) {
-		return;
-	}
-	
-	if (Z_TYPE_P(var) == IS_ARRAY) {
-		while (zend_hash_num_elements (HASH_OF(var)) > i) {
-			if (zend_hash_index_find (Z_ARRVAL_P(var), i, (void **) &element) == SUCCESS) {
-				if(Z_TYPE_PP(element) == IS_ARRAY) {
-					RETURN_TRUE;
-				}
-			}
-			i++;
-		}
-		RETURN_FALSE;
-	}
-}
-/* }}} */
-
 /* {{{ proto bool is_object(mixed var)
    Returns true if variable is an object */
 PHP_FUNCTION(is_object)
diff --git a/ext/standard/basic_functions.h b/ext/standard/basic_functions.h
index a69185c5dc3..7472a6790a9 100644
--- a/ext/standard/basic_functions.h
+++ b/ext/standard/basic_functions.h
@@ -72,7 +72,6 @@ PHP_FUNCTION(is_float);
 PHP_FUNCTION(is_numeric);
 PHP_FUNCTION(is_string);
 PHP_FUNCTION(is_array);
-PHP_FUNCTION(is_array_multidimensional);
 PHP_FUNCTION(is_object);
 PHP_FUNCTION(is_scalar);
 PHP_FUNCTION(is_callable);