diff --git a/src/String/Float.c b/src/String/Float.c
index 229ebcf..4acf012 100644
--- a/src/String/Float.c
+++ b/src/String/Float.c
@@ -8,6 +8,7 @@
 #include <string.h>
 
 
+#include <Config.h>
 #include "Inline/Mpi.h"
 
 
diff --git a/src/String/Int.c b/src/String/Int.c
index 2e94814..9915607 100644
--- a/src/String/Int.c
+++ b/src/String/Int.c
@@ -1,7 +1,6 @@
 #include <BH/String.h>
 #include <ctype.h>
 #include <limits.h>
-#include <stdlib.h>
 #include <string.h>