diff --git a/src/functions.cpp b/src/functions.cpp
index 109b57e70c..0fe8ba1213 100644
--- a/src/functions.cpp
+++ b/src/functions.cpp
@@ -15,6 +15,7 @@
 #include "utf8.h"
 
 #include <cstdlib>
+#include <cstdint>
 #include <cmath>
 #include <cctype>
 #include <sstream>
@@ -24,10 +25,6 @@
 #include <random>
 #include <set>
 
-#if defined(_MSC_VER) && _MSC_VER < 1900
-#include "inttypes.h"
-#endif
-
 #ifdef __MINGW32__
 #include "windows.h"
 #include "wincrypt.h"