diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 05fb5545..ec9f5e4a 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -5,7 +5,7 @@ VERSION = 0.8.2
 INCLUDEPATH += src src/json src/qt
 QT += core gui network
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
-DEFINES += QT_GUI BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE
+DEFINES += BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE
 CONFIG += no_include_pwd
 CONFIG += thread