diff --git a/data.h b/data.h
deleted file mode 100644
index faf6be2..0000000
--- a/data.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef DATA_H
-#define DATA_H
-/**
- * \file data.h
- * \brief This header stores all the custom data type definition
- */
-
-#include <stdlib.h>
-
-/** \brief use this data type for buffer */
-typedef struct BufferStruct BufferStruct;
-
-struct MemoryStruct {
-    char *memory;
-    size_t size;
-};
-
-typedef struct MemoryStruct MemoryStruct;
-
-#endif
diff --git a/main.c b/main.c
index 0349364..07c440c 100644
--- a/main.c
+++ b/main.c
@@ -7,6 +7,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 static char *BASE_URL;
@@ -49,7 +50,7 @@ static void fs_usage()
 {
     fprintf(stderr,
             "usage:  mount-http-dir [options] URL mount_point\n");
-    abort();
+    exit(EXIT_FAILURE);
 }
 
 static void *fs_init(struct fuse_conn_info *conn)
diff --git a/network.c b/network.c
index 14e220c..aa06d2a 100644
--- a/network.c
+++ b/network.c
@@ -11,6 +11,13 @@
 #define HTTP_OK 200
 #define HTTP_PARTIAL_CONTENT 206
 
+/* ------------------------ Local structs ---------------------------------*/
+struct MemoryStruct {
+    char *memory;
+    size_t size;
+};
+typedef struct MemoryStruct MemoryStruct;
+
 /* ------------------------ External variables ----------------------------*/
 LinkTable *ROOT_LINK_TBL;
 
diff --git a/network.h b/network.h
index e87d859..9290f53 100644
--- a/network.h
+++ b/network.h
@@ -1,8 +1,6 @@
 #ifndef NETWORK_H
 #define NETWORK_H
 
-#include "data.h"
-
 #include <curl/curl.h>
 #include <gumbo.h>
 
@@ -10,7 +8,7 @@
 #define LINK_LEN_MAX 255
 
 #ifndef HTTPDIRFS_SINGLE
-#   define CURL_MULTI_MAX_CONNECTION 10
+#   define CURL_MULTI_MAX_CONNECTION 20
 #endif
 
 /** \brief the link type */