diff --git a/src/Config.h b/src/Config.h
index fcf37112..20205ecd 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -63,10 +63,10 @@ const QRegularExpression url_regex(
   QStringLiteral(
     R"((?<!["'])(?>((www\.(?!\.)|[a-z][a-z0-9+.-]*://)[^\s<>'"]+[^!,\.\s<>'"\]\)\:]))(?!["']))"));
 // match any markdown matrix.to link. Capture group 1 is the link name, group 2 is the target.
-static const QRegularExpression matrixToMarkdownLink(
-  R"(\[(.*?)(?<!\\)\]\((https://matrix.to/#/.*?\)))"); // clazy:exclude=non-pod-global-static
-static const QRegularExpression matrixToLink(
-  R"(<a href=\"(https://matrix.to/#/.*?)\">(.*?)</a>)"); // clazy:exclude=non-pod-global-static
+static const QRegularExpression
+  matrixToMarkdownLink(QStringLiteral(R"(\[(.*?)(?<!\\)\]\((https://matrix.to/#/.*?\)))"));
+static const QRegularExpression
+  matrixToLink(QStringLiteral(R"(<a href=\"(https://matrix.to/#/.*?)\">(.*?)</a>)"));
 }
 
 // Window geometry.
diff --git a/src/Utils.h b/src/Utils.h
index 1d1cb10c..8d085cc1 100644
--- a/src/Utils.h
+++ b/src/Utils.h
@@ -94,8 +94,8 @@ event_body(const mtx::events::collections::TimelineEvents &event);
 //! Match widgets/events with a description message.
 template<class T>
 QString
-messageDescription(const QString &username = "",
-                   const QString &body     = "",
+messageDescription(const QString &username = QString(),
+                   const QString &body     = QString(),
                    const bool isLocal      = false)
 {
     using Audio      = mtx::events::RoomEvent<mtx::events::msg::Audio>;
@@ -157,7 +157,7 @@ messageDescription(const QString &username = "",
             return QCoreApplication::translate("message-description sent:", "%1: %2")
               .arg(username, body);
     } else if (std::is_same<T, Emote>::value) {
-        return QString("* %1 %2").arg(username, body);
+        return QStringLiteral("* %1 %2").arg(username, body);
     } else if (std::is_same<T, Encrypted>::value) {
         if (isLocal)
             return QCoreApplication::translate("message-description sent:",
diff --git a/src/dialogs/CreateRoom.cpp b/src/dialogs/CreateRoom.cpp
index 0600bd13..7a0e5bcd 100644
--- a/src/dialogs/CreateRoom.cpp
+++ b/src/dialogs/CreateRoom.cpp
@@ -68,17 +68,17 @@ CreateRoom::CreateRoom(QWidget *parent)
 
     auto visibilityLabel = new QLabel(tr("Room Visibility"), this);
     visibilityCombo_     = new QComboBox(this);
-    visibilityCombo_->addItem("Private");
-    visibilityCombo_->addItem("Public");
+    visibilityCombo_->addItem(tr("Private"));
+    visibilityCombo_->addItem(tr("Public"));
 
     visibilityLayout->addWidget(visibilityLabel);
     visibilityLayout->addWidget(visibilityCombo_, 0, Qt::AlignBottom | Qt::AlignRight);
 
     auto presetLabel = new QLabel(tr("Room Preset"), this);
     presetCombo_     = new QComboBox(this);
-    presetCombo_->addItem("Private Chat");
-    presetCombo_->addItem("Public Chat");
-    presetCombo_->addItem("Trusted Private Chat");
+    presetCombo_->addItem(tr("Private Chat"));
+    presetCombo_->addItem(tr("Public Chat"));
+    presetCombo_->addItem(tr("Trusted Private Chat"));
 
     presetLayout->addWidget(presetLabel);
     presetLayout->addWidget(presetCombo_, 0, Qt::AlignBottom | Qt::AlignRight);
@@ -119,10 +119,10 @@ CreateRoom::CreateRoom(QWidget *parent)
     });
 
     connect(visibilityCombo_,
-            static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
+            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
             this,
-            [this](const QString &text) {
-                if (text == "Private") {
+            [this](int idx) {
+                if (idx == 0) {
                     request_.visibility = mtx::common::RoomVisibility::Private;
                 } else {
                     request_.visibility = mtx::common::RoomVisibility::Public;
@@ -130,12 +130,12 @@ CreateRoom::CreateRoom(QWidget *parent)
             });
 
     connect(presetCombo_,
-            static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentTextChanged),
+            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
             this,
-            [this](const QString &text) {
-                if (text == "Private Chat") {
+            [this](int idx) {
+                if (idx == 0) {
                     request_.preset = mtx::requests::Preset::PrivateChat;
-                } else if (text == "Public Chat") {
+                } else if (idx == 1) {
                     request_.preset = mtx::requests::Preset::PublicChat;
                 } else {
                     request_.preset = mtx::requests::Preset::TrustedPrivateChat;
diff --git a/src/dialogs/ImageOverlay.cpp b/src/dialogs/ImageOverlay.cpp
index 8890814d..8f38f31b 100644
--- a/src/dialogs/ImageOverlay.cpp
+++ b/src/dialogs/ImageOverlay.cpp
@@ -14,7 +14,7 @@
 
 using namespace dialogs;
 
-ImageOverlay::ImageOverlay(QPixmap image, QWidget *parent)
+ImageOverlay::ImageOverlay(const QPixmap &image, QWidget *parent)
   : QWidget{parent}
   , originalImage_{image}
 {
@@ -22,7 +22,7 @@ ImageOverlay::ImageOverlay(QPixmap image, QWidget *parent)
     setParent(nullptr);
 
     setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
-    setWindowRole("imageoverlay");
+    setWindowRole(QStringLiteral("imageoverlay"));
 
     setAttribute(Qt::WA_NoSystemBackground, true);
     setAttribute(Qt::WA_TranslucentBackground, true);
diff --git a/src/dialogs/ImageOverlay.h b/src/dialogs/ImageOverlay.h
index 2174279f..ba70fc13 100644
--- a/src/dialogs/ImageOverlay.h
+++ b/src/dialogs/ImageOverlay.h
@@ -16,7 +16,7 @@ class ImageOverlay : public QWidget
 {
     Q_OBJECT
 public:
-    ImageOverlay(QPixmap image, QWidget *parent = nullptr);
+    ImageOverlay(const QPixmap &image, QWidget *parent = nullptr);
 
 protected:
     void mousePressEvent(QMouseEvent *event) override;
diff --git a/src/dialogs/ReCaptcha.cpp b/src/dialogs/ReCaptcha.cpp
index a4ada889..6b1d3ab1 100644
--- a/src/dialogs/ReCaptcha.cpp
+++ b/src/dialogs/ReCaptcha.cpp
@@ -34,7 +34,7 @@ ReCaptcha::ReCaptcha(const QString &session, QWidget *parent)
     buttonLayout->setContentsMargins(0, 0, 0, 0);
     buttonLayout->setSpacing(8);
 
-    openCaptchaBtn_ = new QPushButton("Open reCAPTCHA", this);
+    openCaptchaBtn_ = new QPushButton(tr("Open reCAPTCHA"), this);
     cancelBtn_      = new QPushButton(tr("Cancel"), this);
     confirmBtn_     = new QPushButton(tr("Confirm"), this);
     confirmBtn_->setDefault(true);
diff --git a/src/ui/TextField.h b/src/ui/TextField.h
index e226c84b..a56e3273 100644
--- a/src/ui/TextField.h
+++ b/src/ui/TextField.h
@@ -87,7 +87,7 @@ public:
     TextFieldLabel(TextField *parent);
 
     inline void setColor(const QColor &color);
-    inline void setOffset(const QPointF &pos);
+    inline void setOffset(QPointF pos);
     inline void setScale(qreal scale);
 
     inline QColor color() const;
@@ -120,7 +120,7 @@ TextFieldLabel::setColor(const QColor &color)
 }
 
 inline void
-TextFieldLabel::setOffset(const QPointF &pos)
+TextFieldLabel::setOffset(QPointF pos)
 {
     x_ = pos.x();
     y_ = pos.y();