diff --git a/src/builtin_functions.c b/src/builtin_functions.c
index 6f62edefa595d3a01c306317ea4fde9c6a6b5996..621a347433fb9e688e034550b43cbe0e741830ef 100644
--- a/src/builtin_functions.c
+++ b/src/builtin_functions.c
@@ -6006,8 +6006,6 @@ PMOD_EXPORT void f_mktime (INT32 args)
 
   if(args == 1)
   {
-    memset(&date, 0, sizeof(date));
-
     push_text("sec");
     push_text("min");
     push_text("hour");