diff --git a/src/http/Protocol.cpp b/src/http/Protocol.cpp
index 40a1445c0..bcb30f0b1 100644
--- a/src/http/Protocol.cpp
+++ b/src/http/Protocol.cpp
@@ -110,7 +110,7 @@ static QByteArray encrypt2(const QByteArray & data, SymmetricCipherGcrypt & ciph
     //Encrypt
     QByteArray buffer = data + QByteArray(paddingSize, paddingSize);
     cipher.reset();
-    cipher.processInPlace(buffer);
+    Q_UNUSED(cipher.processInPlace(buffer));
     return buffer;
 }
 
diff --git a/src/http/qhttp/http-parser/http_parser.h b/src/http/qhttp/http-parser/http_parser.h
index 45c72a078..005db96ec 100644
--- a/src/http/qhttp/http-parser/http_parser.h
+++ b/src/http/qhttp/http-parser/http_parser.h
@@ -91,7 +91,7 @@ typedef int (*http_cb) (http_parser*);
 
 
 /* Status Codes */
-#define HTTP_STATUS_MAP(XX)                                                 \
+#define HTTPPARSER_HTTP_STATUS_MAP(XX)                                      \
   XX(100, CONTINUE,                        Continue)                        \
   XX(101, SWITCHING_PROTOCOLS,             Switching Protocols)             \
   XX(102, PROCESSING,                      Processing)                      \
@@ -150,12 +150,12 @@ typedef int (*http_cb) (http_parser*);
   XX(507, INSUFFICIENT_STORAGE,            Insufficient Storage)            \
   XX(508, LOOP_DETECTED,                   Loop Detected)                   \
   XX(510, NOT_EXTENDED,                    Not Extended)                    \
-  XX(511, NETWORK_AUTHENTICATION_REQUIRED, Network Authentication Required) \
+  XX(511, NETWORK_AUTHENTICATION_REQUIRED, Network Authentication Required)
 
 enum http_status
   {
 #define XX(num, name, string) HTTP_STATUS_##name = num,
-  HTTP_STATUS_MAP(XX)
+  HTTPPARSER_HTTP_STATUS_MAP(XX)
 #undef XX
   };
 
diff --git a/src/http/qhttp/private/httpreader.hxx b/src/http/qhttp/private/httpreader.hxx
index 174b31a95..338ed2a2f 100644
--- a/src/http/qhttp/private/httpreader.hxx
+++ b/src/http/qhttp/private/httpreader.hxx
@@ -41,7 +41,7 @@ public:
         if ( !icollectRequired ) // not allowed to collect data
             return false;
 
-        int newLength = icollectedData.length() + (int) length;
+        int newLength = icollectedData.length() + static_cast<int>(length);
 
         if ( icollectCapacity > 0    &&    newLength > icollectCapacity )
             return false; // the capacity is full
diff --git a/src/http/qhttp/private/qhttpclient_private.hpp b/src/http/qhttp/private/qhttpclient_private.hpp
index 3206da5f3..9c6cd0989 100644
--- a/src/http/qhttp/private/qhttpclient_private.hpp
+++ b/src/http/qhttp/private/qhttpclient_private.hpp
@@ -112,7 +112,7 @@ protected:
     void onReadyRead() {
         while ( isocket.bytesAvailable() > 0 ) {
             char buffer[4097] = {0};
-            size_t readLength = (size_t) isocket.readRaw(buffer, 4096);
+            size_t readLength = static_cast<size_t>(isocket.readRaw(buffer, 4096));
             
             parse(buffer, readLength);
         }
diff --git a/src/http/qhttp/private/qhttpserver_private.hpp b/src/http/qhttp/private/qhttpserver_private.hpp
index 93c96d2e1..e7c081af4 100644
--- a/src/http/qhttp/private/qhttpserver_private.hpp
+++ b/src/http/qhttp/private/qhttpserver_private.hpp
@@ -42,7 +42,7 @@ public:
 
         // if it's a QLocalServer
         virtual void    incomingConnection(quintptr socketDescriptor) {
-            iserver->incomingConnection((qintptr) socketDescriptor);
+            iserver->incomingConnection(static_cast<qintptr>(socketDescriptor));
         }
     };
 
diff --git a/src/http/qhttp/private/qhttpserverconnection_private.hpp b/src/http/qhttp/private/qhttpserverconnection_private.hpp
index fd4475864..53b349fa9 100644
--- a/src/http/qhttp/private/qhttpserverconnection_private.hpp
+++ b/src/http/qhttp/private/qhttpserverconnection_private.hpp
@@ -83,7 +83,7 @@ public:
     void onReadyRead() {
         while ( isocket.bytesAvailable() > 0 ) {
             char buffer[4097] = {0};
-            size_t readLength = (size_t) isocket.readRaw(buffer, 4096);
+            size_t readLength = static_cast<size_t>(isocket.readRaw(buffer, 4096));
 
             parse(buffer, readLength);
         }
diff --git a/src/http/qhttp/qhttpabstracts.cpp b/src/http/qhttp/qhttpabstracts.cpp
index 1b106e51f..a29a90b9f 100644
--- a/src/http/qhttp/qhttpabstracts.cpp
+++ b/src/http/qhttp/qhttpabstracts.cpp
@@ -8,7 +8,7 @@ namespace qhttp {
 #   error "to compile QHttp classes, Qt 5.0 or later is needed."
 #endif
 
-#define HTTP_STATUS_MAP(XX)                    \
+#define QHTTPABSTRACTS_HTTP_STATUS_MAP(XX)     \
     XX(100, "Continue")                        \
     XX(101, "Switching Protocols")             \
     /* RFC 2518) obsoleted by RFC 4918 */      \
@@ -78,7 +78,7 @@ static struct {
     int         code;
     const char* message;
 } g_status_codes[] {
-    HTTP_STATUS_MAP(PATCH_STATUS_CODES)
+    QHTTPABSTRACTS_HTTP_STATUS_MAP(PATCH_STATUS_CODES)
 };
 #undef PATCH_STATUS_CODES