diff --git a/src/citra_qt/cheats.cpp b/src/citra_qt/cheats.cpp
index 25379b72c..25e173687 100644
--- a/src/citra_qt/cheats.cpp
+++ b/src/citra_qt/cheats.cpp
@@ -48,10 +48,11 @@ CheatDialog::~CheatDialog() = default;
 
 void CheatDialog::LoadCheats() {
     cheats = Core::System::GetInstance().CheatEngine().GetCheats();
+    const int cheats_count = static_cast<int>(cheats.size());
 
-    ui->tableCheats->setRowCount(cheats.size());
+    ui->tableCheats->setRowCount(cheats_count);
 
-    for (size_t i = 0; i < cheats.size(); i++) {
+    for (int i = 0; i < cheats_count; i++) {
         QCheckBox* enabled = new QCheckBox();
         enabled->setChecked(cheats[i]->IsEnabled());
         enabled->setStyleSheet(QStringLiteral("margin-left:7px;"));
diff --git a/src/citra_qt/configuration/config.cpp b/src/citra_qt/configuration/config.cpp
index 770a7fe30..f318b2825 100644
--- a/src/citra_qt/configuration/config.cpp
+++ b/src/citra_qt/configuration/config.cpp
@@ -950,14 +950,14 @@ void Config::SaveMultiplayerValues() {
     // Write ban list
     qt_config->beginWriteArray(QStringLiteral("username_ban_list"));
     for (std::size_t i = 0; i < UISettings::values.ban_list.first.size(); ++i) {
-        qt_config->setArrayIndex(i);
+        qt_config->setArrayIndex(static_cast<int>(i));
         WriteSetting(QStringLiteral("username"),
                      QString::fromStdString(UISettings::values.ban_list.first[i]));
     }
     qt_config->endArray();
     qt_config->beginWriteArray(QStringLiteral("ip_ban_list"));
     for (std::size_t i = 0; i < UISettings::values.ban_list.second.size(); ++i) {
-        qt_config->setArrayIndex(i);
+        qt_config->setArrayIndex(static_cast<int>(i));
         WriteSetting(QStringLiteral("ip"),
                      QString::fromStdString(UISettings::values.ban_list.second[i]));
     }
diff --git a/src/citra_qt/configuration/configure_camera.cpp b/src/citra_qt/configuration/configure_camera.cpp
index a89dc3151..b58ea95d3 100644
--- a/src/citra_qt/configuration/configure_camera.cpp
+++ b/src/citra_qt/configuration/configure_camera.cpp
@@ -256,7 +256,7 @@ void ConfigureCamera::SetConfiguration() {
     int index = GetSelectedCameraIndex();
     for (std::size_t i = 0; i < Implementations.size(); i++) {
         if (Implementations[i] == camera_name[index]) {
-            ui->image_source->setCurrentIndex(i);
+            ui->image_source->setCurrentIndex(static_cast<int>(i));
         }
     }
     if (camera_name[index] == "image") {
diff --git a/src/citra_qt/debugger/ipc/recorder.cpp b/src/citra_qt/debugger/ipc/recorder.cpp
index b4ed84ad0..1ec281ae2 100644
--- a/src/citra_qt/debugger/ipc/recorder.cpp
+++ b/src/citra_qt/debugger/ipc/recorder.cpp
@@ -115,7 +115,7 @@ void IPCRecorderWidget::SetEnabled(bool enabled) {
 }
 
 void IPCRecorderWidget::Clear() {
-    id_offset += records.size();
+    id_offset += static_cast<int>(records.size());
 
     records.clear();
     ui->main->invisibleRootItem()->takeChildren();
diff --git a/src/citra_qt/multiplayer/chat_room.cpp b/src/citra_qt/multiplayer/chat_room.cpp
index 440736978..ffd9a0b68 100644
--- a/src/citra_qt/multiplayer/chat_room.cpp
+++ b/src/citra_qt/multiplayer/chat_room.cpp
@@ -390,7 +390,7 @@ void ChatRoom::SetPlayerList(const Network::RoomMember::MemberList& member_list)
                             return;
                         QPixmap pixmap;
                         if (!pixmap.loadFromData(reinterpret_cast<const u8*>(result.data()),
-                                                 result.size()))
+                                                 static_cast<u32>(result.size())))
                             return;
                         icon_cache[avatar_url] =
                             pixmap.scaled(48, 48, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);