diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 47427935e..cc40d0a46 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -105,11 +105,11 @@
 #include "hidabletabwidget.h"
 #include "ui_mainwindow.h"
 
-#if defined (Q_OS_MAC)
+#ifdef Q_OS_MAC
 #include "macutilities.h"
 #endif
 
-#if defined (Q_OS_MAC)
+#ifdef Q_OS_MAC
 void qt_mac_set_dock_menu(QMenu *menu);
 #endif
 
diff --git a/src/gui/torrentcontentmodel.cpp b/src/gui/torrentcontentmodel.cpp
index b3176a877..45a348ce7 100644
--- a/src/gui/torrentcontentmodel.cpp
+++ b/src/gui/torrentcontentmodel.cpp
@@ -50,7 +50,7 @@
 #include "torrentcontentmodelitem.h"
 #include "torrentcontentmodelfolder.h"
 #include "torrentcontentmodelfile.h"
-#if defined(Q_OS_MAC) 
+#ifdef Q_OS_MAC
 #include "macutilities.h"
 #endif