diff --git a/src/dict/loaddictionaries.cc b/src/dict/loaddictionaries.cc
index fc4bb737..e369ac6e 100644
--- a/src/dict/loaddictionaries.cc
+++ b/src/dict/loaddictionaries.cc
@@ -224,7 +224,7 @@ void loadDictionaries( QWidget * parent,
 
   loadDicts.wait();
 
-  if ( loadDicts.getExceptionText().size() ) {
+  if ( !loadDicts.getExceptionText().empty() ) {
     QMessageBox::critical( parent,
                            QCoreApplication::translate( "LoadDictionaries", "Error loading dictionaries" ),
                            QString::fromUtf8( loadDicts.getExceptionText().c_str() ) );
diff --git a/src/ui/editdictionaries.cc b/src/ui/editdictionaries.cc
index 01af97e4..ea832637 100644
--- a/src/ui/editdictionaries.cc
+++ b/src/ui/editdictionaries.cc
@@ -204,26 +204,11 @@ void EditDictionaries::acceptChangedSources( bool rebuildGroups )
   // Those hold pointers to dictionaries, we need to free them.
   groupInstances.clear();
 
-  groups.clear();
-  orderAndProps.clear();
-
   loadDictionaries( this, cfg, dictionaries, dictNetMgr );
 
-  Instances::updateNames( savedGroups, dictionaries );
-  Instances::updateNames( savedOrder, dictionaries );
-  Instances::updateNames( savedInactive, dictionaries );
-
   if ( rebuildGroups ) {
-    ui.tabs->removeTab( 1 );
-    ui.tabs->removeTab( 1 );
-
-    orderAndProps = new OrderAndProps( this, savedOrder, savedInactive, dictionaries );
-    groups        = new Groups( this, dictionaries, savedGroups, orderAndProps->getCurrentDictionaryOrder() );
-
-    ui.tabs->insertTab( 1, orderAndProps, QIcon( ":/icons/book.svg" ), tr( "&Dictionaries" ) );
-    ui.tabs->insertTab( 2, groups, QIcon( ":/icons/bookcase.svg" ), tr( "&Groups" ) );
-    connect( groups, &Groups::showDictionaryInfo, this, &EditDictionaries::showDictionaryInfo );
-    connect( orderAndProps, &OrderAndProps::showDictionaryHeadwords, this, &EditDictionaries::showDictionaryHeadwords );
+    orderAndProps->rebuild( savedOrder, savedInactive, dictionaries );
+    groups->rebuild( dictionaries, savedGroups, orderAndProps->getCurrentDictionaryOrder() );
   }
   setUpdatesEnabled( true );
 }
diff --git a/src/ui/groups.cc b/src/ui/groups.cc
index 09661f3b..8c1fe30a 100644
--- a/src/ui/groups.cc
+++ b/src/ui/groups.cc
@@ -64,6 +64,24 @@ Groups::Groups( QWidget * parent,
   countChanged();
 }
 
+void Groups::rebuild( vector< sptr< Dictionary::Class > > const & dicts_,
+                      Config::Groups const & groups_,
+                      Config::Group const & order )
+{
+  this->setUpdatesEnabled( false );
+  dicts  = dicts_;
+  groups = groups_;
+
+  ui.dictionaries->setAsSource();
+  ui.dictionaries->populate( Instances::Group( order, dicts, Config::Group() ).dictionaries, dicts );
+
+  // Populate groups' widget
+  ui.groups->populate( groups, dicts, ui.dictionaries->getCurrentDictionaries() );
+
+  countChanged();
+  this->setUpdatesEnabled( true );
+}
+
 void Groups::editGroup( unsigned id )
 {
   for ( int x = 0; x < groups.size(); ++x ) {
diff --git a/src/ui/groups.hh b/src/ui/groups.hh
index b6bbac08..0d54c321 100644
--- a/src/ui/groups.hh
+++ b/src/ui/groups.hh
@@ -18,7 +18,9 @@ public:
           std::vector< sptr< Dictionary::Class > > const &,
           Config::Groups const &,
           Config::Group const & order );
-
+  void rebuild( std::vector< sptr< Dictionary::Class > > const & dicts_,
+                Config::Groups const & groups_,
+                Config::Group const & order );
   /// Instructs the dialog to position itself on editing the given group.
   void editGroup( unsigned id );
 
@@ -31,7 +33,7 @@ public:
 
 private:
   Ui::Groups ui;
-  std::vector< sptr< Dictionary::Class > > const & dicts;
+  std::vector< sptr< Dictionary::Class > > dicts;
   Config::Groups groups;
 
   QToolButton * groupsListButton;
diff --git a/src/ui/orderandprops.cc b/src/ui/orderandprops.cc
index 08e5a898..e2681033 100644
--- a/src/ui/orderandprops.cc
+++ b/src/ui/orderandprops.cc
@@ -133,6 +133,25 @@ OrderAndProps::OrderAndProps( QWidget * parent,
   showDictNumbers();
 }
 
+void OrderAndProps::rebuild( Config::Group const & dictionaryOrder,
+                             Config::Group const & inactiveDictionaries,
+                             std::vector< sptr< Dictionary::Class > > const & allDictionaries )
+{
+  Instances::Group order( dictionaryOrder, allDictionaries, Config::Group() );
+  Instances::Group inactive( inactiveDictionaries, allDictionaries, Config::Group() );
+
+  Instances::complementDictionaryOrder( order, inactive, allDictionaries );
+
+  setUpdatesEnabled( false );
+  ui.dictionaryOrder->populate( order.dictionaries, allDictionaries );
+  ui.inactiveDictionaries->populate( inactive.dictionaries, allDictionaries );
+
+  disableDictionaryDescription();
+
+  showDictNumbers();
+  setUpdatesEnabled( true );
+}
+
 Config::Group OrderAndProps::getCurrentDictionaryOrder() const
 {
   Instances::Group g;
diff --git a/src/ui/orderandprops.hh b/src/ui/orderandprops.hh
index 99c154e8..030a0cc6 100644
--- a/src/ui/orderandprops.hh
+++ b/src/ui/orderandprops.hh
@@ -17,7 +17,9 @@ public:
                  Config::Group const & dictionaryOrder,
                  Config::Group const & inactiveDictionaries,
                  std::vector< sptr< Dictionary::Class > > const & allDictionaries );
-
+  void rebuild( Config::Group const & dictionaryOrder,
+                Config::Group const & inactiveDictionaries,
+                std::vector< sptr< Dictionary::Class > > const & allDictionaries );
   Config::Group getCurrentDictionaryOrder() const;
   Config::Group getCurrentInactiveDictionaries() const;