diff --git a/exprtk_simple_example_14.cpp b/exprtk_simple_example_14.cpp
index 28e920f..d5e427c 100644
--- a/exprtk_simple_example_14.cpp
+++ b/exprtk_simple_example_14.cpp
@@ -17,8 +17,6 @@
 
 
 #include <cstdio>
-#include <cstdlib>
-#include <ctime>
 #include <string>
 #include "exprtk.hpp"
 
diff --git a/exprtk_simple_example_15.cpp b/exprtk_simple_example_15.cpp
index bb11902..f735f72 100644
--- a/exprtk_simple_example_15.cpp
+++ b/exprtk_simple_example_15.cpp
@@ -17,8 +17,6 @@
 
 
 #include <cstdio>
-#include <cstdlib>
-#include <ctime>
 #include <string>
 #include "exprtk.hpp"