diff --git a/cockatrice/src/client/tabs/tab_deck_editor.cpp b/cockatrice/src/client/tabs/tab_deck_editor.cpp
index 999f22580..38599f5ee 100644
--- a/cockatrice/src/client/tabs/tab_deck_editor.cpp
+++ b/cockatrice/src/client/tabs/tab_deck_editor.cpp
@@ -1535,6 +1535,6 @@ void TabDeckEditor::showSearchSyntaxHelp()
     browser->document()->setDefaultStyleSheet(sheet);
 
     browser->setHtml(text);
-    connect(browser, &QTextBrowser::anchorClicked, [=](const QUrl &link) { searchEdit->setText(link.fragment()); });
+    connect(browser, &QTextBrowser::anchorClicked, [this](const QUrl &link) { searchEdit->setText(link.fragment()); });
     browser->show();
 }
diff --git a/cockatrice/src/client/tabs/tab_game.cpp b/cockatrice/src/client/tabs/tab_game.cpp
index 76dd82ff5..d858a9362 100644
--- a/cockatrice/src/client/tabs/tab_game.cpp
+++ b/cockatrice/src/client/tabs/tab_game.cpp
@@ -1742,22 +1742,22 @@ void TabGame::createReplayDock()
     aReplaySkipForward = new QAction(timelineWidget);
     timelineWidget->addAction(aReplaySkipForward);
     connect(aReplaySkipForward, &QAction::triggered, this,
-            [=]() { timelineWidget->skipByAmount(ReplayTimelineWidget::SMALL_SKIP_MS); });
+            [this] { timelineWidget->skipByAmount(ReplayTimelineWidget::SMALL_SKIP_MS); });
 
     aReplaySkipBackward = new QAction(timelineWidget);
     timelineWidget->addAction(aReplaySkipBackward);
     connect(aReplaySkipBackward, &QAction::triggered, this,
-            [=]() { timelineWidget->skipByAmount(-ReplayTimelineWidget::SMALL_SKIP_MS); });
+            [this] { timelineWidget->skipByAmount(-ReplayTimelineWidget::SMALL_SKIP_MS); });
 
     aReplaySkipForwardBig = new QAction(timelineWidget);
     timelineWidget->addAction(aReplaySkipForwardBig);
     connect(aReplaySkipForwardBig, &QAction::triggered, this,
-            [=]() { timelineWidget->skipByAmount(ReplayTimelineWidget::BIG_SKIP_MS); });
+            [this] { timelineWidget->skipByAmount(ReplayTimelineWidget::BIG_SKIP_MS); });
 
     aReplaySkipBackwardBig = new QAction(timelineWidget);
     timelineWidget->addAction(aReplaySkipBackwardBig);
     connect(aReplaySkipBackwardBig, &QAction::triggered, this,
-            [=]() { timelineWidget->skipByAmount(-ReplayTimelineWidget::BIG_SKIP_MS); });
+            [this] { timelineWidget->skipByAmount(-ReplayTimelineWidget::BIG_SKIP_MS); });
 
     // buttons
     replayPlayButton = new QToolButton;
diff --git a/cockatrice/src/client/tearoff_menu.h b/cockatrice/src/client/tearoff_menu.h
index 20ee30e10..1c1258f5f 100644
--- a/cockatrice/src/client/tearoff_menu.h
+++ b/cockatrice/src/client/tearoff_menu.h
@@ -7,23 +7,23 @@
 class TearOffMenu : public QMenu
 {
 public:
-    TearOffMenu(const QString &title, QWidget *parent = nullptr) : QMenu(title, parent)
+    explicit TearOffMenu(const QString &title, QWidget *parent = nullptr) : QMenu(title, parent)
     {
         connect(&SettingsCache::instance(), &SettingsCache::useTearOffMenusChanged, this,
-                [=](bool state) { setTearOffEnabled(state); });
+                [this](const bool state) { setTearOffEnabled(state); });
         setTearOffEnabled(SettingsCache::instance().getUseTearOffMenus());
     }
 
-    TearOffMenu(QWidget *parent = nullptr) : QMenu(parent)
+    explicit TearOffMenu(QWidget *parent = nullptr) : QMenu(parent)
     {
         connect(&SettingsCache::instance(), &SettingsCache::useTearOffMenusChanged, this,
-                [=](bool state) { setTearOffEnabled(state); });
+                [this](const bool state) { setTearOffEnabled(state); });
         setTearOffEnabled(SettingsCache::instance().getUseTearOffMenus());
     }
 
     TearOffMenu *addTearOffMenu(const QString &title)
     {
-        TearOffMenu *menu = new TearOffMenu(title, this);
+        auto *menu = new TearOffMenu(title, this);
         addMenu(menu);
         return menu;
     }
diff --git a/cockatrice/src/game/zones/view_zone_widget.cpp b/cockatrice/src/game/zones/view_zone_widget.cpp
index 59c45bf58..1489ab723 100644
--- a/cockatrice/src/game/zones/view_zone_widget.cpp
+++ b/cockatrice/src/game/zones/view_zone_widget.cpp
@@ -138,7 +138,7 @@ ZoneViewWidget::ZoneViewWidget(Player *_player,
     // QLabel sizes aren't taken into account until the widget is rendered.
     // Force refresh after 1ms to fix glitchy rendering with long QLabels.
     auto *lastResizeBeforeVisibleTimer = new QTimer(this);
-    connect(lastResizeBeforeVisibleTimer, &QTimer::timeout, this, [=] {
+    connect(lastResizeBeforeVisibleTimer, &QTimer::timeout, this, [=, this] {
         resizeToZoneContents();
         disconnect(lastResizeBeforeVisibleTimer);
         lastResizeBeforeVisibleTimer->deleteLater();
diff --git a/cockatrice/src/server/user/user_info_box.cpp b/cockatrice/src/server/user/user_info_box.cpp
index 364f38afd..a7857b170 100644
--- a/cockatrice/src/server/user/user_info_box.cpp
+++ b/cockatrice/src/server/user/user_info_box.cpp
@@ -253,7 +253,7 @@ void UserInfoBox::actPassword()
         connect(pend,
                 // we need qoverload here in order to select the right version of this function
                 QOverload<const Response &, const CommandContainer &, const QVariant &>::of(&PendingCommand::finished),
-                this, [=](const Response &response, const CommandContainer &, const QVariant &) {
+                this, [=, this](const Response &response, const CommandContainer &, const QVariant &) {
                     if (response.response_code() == Response::RespOk) {
                         changePassword(oldPassword, newPassword);
                     } else {