diff -Naur a/ui/qt/packet_format_group_box.cpp b/ui/qt/packet_format_group_box.cpp
--- a/ui/qt/packet_format_group_box.cpp	2018-04-24 19:39:12.000000000 +0200
+++ b/ui/qt/packet_format_group_box.cpp	2018-05-27 16:04:36.090517047 +0200
@@ -10,6 +10,7 @@
 #include <ui_packet_format_group_box.h>
 
 #include <QStyle>
+#include <QStyleOption>
 
 PacketFormatGroupBox::PacketFormatGroupBox(QWidget *parent) :
     QGroupBox(parent),
diff -Naur a/ui/qt/time_shift_dialog.cpp b/ui/qt/time_shift_dialog.cpp
--- a/ui/qt/time_shift_dialog.cpp	2018-04-24 19:39:12.000000000 +0200
+++ b/ui/qt/time_shift_dialog.cpp	2018-05-27 16:06:48.322282868 +0200
@@ -14,6 +14,7 @@
 #include <ui/time_shift.h>
 #include <ui/qt/utils/tango_colors.h>
 
+#include <QStyleOption>
 
 TimeShiftDialog::TimeShiftDialog(QWidget *parent, capture_file *cf) :
     QDialog(parent),
diff -Naur a/ui/qt/wireless_frame.cpp b/ui/qt/wireless_frame.cpp
--- a/ui/qt/wireless_frame.cpp	2018-04-24 19:39:12.000000000 +0200
+++ b/ui/qt/wireless_frame.cpp	2018-05-27 16:07:34.074202751 +0200
@@ -23,6 +23,7 @@
 #include <wsutil/frequency-utils.h>
 
 #include <QProcess>
+#include <QAbstractItemView>
 
 // To do:
 // - Disable or hide invalid channel types.