diff --git a/qt/me/details_dialog.py b/qt/me/details_dialog.py
index a754d3e9..b651f234 100644
--- a/qt/me/details_dialog.py
+++ b/qt/me/details_dialog.py
@@ -7,7 +7,7 @@
 # http://www.hardcoded.net/licenses/bsd_license
 
 from PyQt5.QtCore import QSize
-from PyQt5.QtGui import QVBoxLayout, QAbstractItemView
+from PyQt5.QtWidgets import QVBoxLayout, QAbstractItemView
 
 from hscommon.trans import trget
 from ..base.details_dialog import DetailsDialog as DetailsDialogBase
@@ -22,7 +22,7 @@ class DetailsDialog(DetailsDialogBase):
         self.setMinimumSize(QSize(250, 250))
         self.verticalLayout = QVBoxLayout(self)
         self.verticalLayout.setSpacing(0)
-        self.verticalLayout.setMargin(0)
+        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
         self.tableView = DetailsTable(self)
         self.tableView.setAlternatingRowColors(True)
         self.tableView.setSelectionBehavior(QAbstractItemView.SelectRows)
diff --git a/qt/me/preferences_dialog.py b/qt/me/preferences_dialog.py
index 9fc9fed6..448c3de1 100644
--- a/qt/me/preferences_dialog.py
+++ b/qt/me/preferences_dialog.py
@@ -50,7 +50,7 @@ class PreferencesDialog(PreferencesDialogBase):
         self.widget.setMinimumSize(QSize(0, 40))
         self.verticalLayout_4 = QVBoxLayout(self.widget)
         self.verticalLayout_4.setSpacing(0)
-        self.verticalLayout_4.setMargin(0)
+        self.verticalLayout_4.setContentsMargins(0, 0, 0, 0)
         self.label_6 = QLabel(self.widget)
         self.label_6.setText(tr("Tags to scan:"))
         self.verticalLayout_4.addWidget(self.label_6)
diff --git a/qt/pe/details_dialog.py b/qt/pe/details_dialog.py
index 44cb9f55..e9b01678 100644
--- a/qt/pe/details_dialog.py
+++ b/qt/pe/details_dialog.py
@@ -7,7 +7,8 @@
 # http://www.hardcoded.net/licenses/bsd_license
 
 from PyQt5.QtCore import Qt, QSize
-from PyQt5.QtGui import QVBoxLayout, QAbstractItemView, QHBoxLayout, QLabel, QSizePolicy, QPixmap
+from PyQt5.QtGui import QPixmap
+from PyQt5.QtWidgets import QVBoxLayout, QAbstractItemView, QHBoxLayout, QLabel, QSizePolicy
 
 from hscommon.trans import trget
 from ..base.details_dialog import DetailsDialog as DetailsDialogBase
@@ -27,7 +28,7 @@ class DetailsDialog(DetailsDialogBase):
         self.setMinimumSize(QSize(250, 250))
         self.verticalLayout = QVBoxLayout(self)
         self.verticalLayout.setSpacing(0)
-        self.verticalLayout.setMargin(0)
+        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
         self.horizontalLayout = QHBoxLayout()
         self.horizontalLayout.setSpacing(4)
         self.selectedImage = QLabel(self)
diff --git a/qt/pe/result_window.py b/qt/pe/result_window.py
index 7fe43b69..ae7bce16 100644
--- a/qt/pe/result_window.py
+++ b/qt/pe/result_window.py
@@ -6,7 +6,7 @@
 # which should be included with this package. The terms are also available at 
 # http://www.hardcoded.net/licenses/bsd_license
 
-from PyQt5.QtGui import QMessageBox, QAction
+from PyQt5.QtWidgets import QMessageBox, QAction
 
 from hscommon.trans import trget
 from ..base.result_window import ResultWindow as ResultWindowBase