diff --git a/ext/standard/basic_functions.h b/ext/standard/basic_functions.h
index 78a499d2fb6..3b266a99e0e 100644
--- a/ext/standard/basic_functions.h
+++ b/ext/standard/basic_functions.h
@@ -137,7 +137,6 @@ PHP_FUNCTION(array_keys);
 PHP_FUNCTION(array_values);
 PHP_FUNCTION(array_count_values);
 PHP_FUNCTION(array_reverse);
-PHP_FUNCTION(array_map);
 
 #if HAVE_PUTENV
 typedef struct {