diff --git a/ui/drivers/qt/coreoptionsdialog.cpp b/ui/drivers/qt/coreoptionsdialog.cpp
index 088b3e7aef..d50adc84e9 100644
--- a/ui/drivers/qt/coreoptionsdialog.cpp
+++ b/ui/drivers/qt/coreoptionsdialog.cpp
@@ -206,7 +206,6 @@ void CoreOptionsDialog::buildLayout()
    QFormLayout *form = NULL;
    settings_t *settings = config_get_ptr();
    size_t opts = 0;
-   int i;
    unsigned j, k;
 
    clearLayout();
diff --git a/ui/drivers/qt/playlistentrydialog.cpp b/ui/drivers/qt/playlistentrydialog.cpp
index b36e35157a..86d3572bcd 100644
--- a/ui/drivers/qt/playlistentrydialog.cpp
+++ b/ui/drivers/qt/playlistentrydialog.cpp
@@ -106,10 +106,8 @@ void PlaylistEntryDialog::onPathClicked()
 
 void PlaylistEntryDialog::loadPlaylistOptions()
 {
+   unsigned i, j;
    core_info_list_t *core_info_list = NULL;
-   const core_info_t *core_info = NULL;
-   unsigned i = 0;
-   int j = 0;
 
    m_nameLineEdit->clear();
    m_pathLineEdit->clear();
diff --git a/ui/drivers/qt/playlistthumbnaildownload.cpp b/ui/drivers/qt/playlistthumbnaildownload.cpp
index 52e4b86677..e14558ea9d 100644
--- a/ui/drivers/qt/playlistthumbnaildownload.cpp
+++ b/ui/drivers/qt/playlistthumbnaildownload.cpp
@@ -79,10 +79,11 @@ void MainWindow::onPlaylistThumbnailDownloadFinished()
       if (!redirectUrl.isEmpty())
       {
          QByteArray redirectUrlArray = redirectUrl.toString().toUtf8();
+#if 0
          const char *redirectUrlData = redirectUrlArray.constData();
 
          /*RARCH_LOG("[Qt]: Thumbnail download got redirect with HTTP code %d: %s\n", code, redirectUrlData);*/
-
+#endif
          reply->disconnect();
          reply->abort();
          reply->deleteLater();
@@ -174,7 +175,9 @@ void MainWindow::onPlaylistThumbnailDownloadFinished()
 void MainWindow::onPlaylistThumbnailDownloadProgress(qint64 bytesReceived, qint64 bytesTotal)
 {
    QNetworkReply *reply = m_playlistThumbnailDownloadReply.data();
+#if 0
    int progress = (bytesReceived / (float)bytesTotal) * 100.0f;
+#endif
 
    if (!reply)
       return;
diff --git a/ui/drivers/qt/shaderparamsdialog.cpp b/ui/drivers/qt/shaderparamsdialog.cpp
index cffcd85498..3acaf5881a 100644
--- a/ui/drivers/qt/shaderparamsdialog.cpp
+++ b/ui/drivers/qt/shaderparamsdialog.cpp
@@ -587,7 +587,6 @@ void ShaderParamsDialog::onShaderResetParameter(QString parameter)
 {
    struct video_shader *menu_shader = NULL;
    struct video_shader *video_shader = NULL;
-   unsigned i;
 
    getShaders(&menu_shader, &video_shader);
 
@@ -884,8 +883,7 @@ void ShaderParamsDialog::buildLayout()
    struct video_shader *video_shader = NULL;
    struct video_shader *avail_shader = NULL;
    const char *shader_path = NULL;
-   int i;
-   unsigned j;
+   unsigned i;
    bool hasPasses = false;
 
    getShaders(&menu_shader, &video_shader);
diff --git a/ui/drivers/qt/thumbnaildownload.cpp b/ui/drivers/qt/thumbnaildownload.cpp
index c54d9b85aa..d83c8e186b 100644
--- a/ui/drivers/qt/thumbnaildownload.cpp
+++ b/ui/drivers/qt/thumbnaildownload.cpp
@@ -15,6 +15,7 @@ extern "C" {
 #include "../../../version.h"
 }
 
+#undef USER_AGENT
 #define USER_AGENT "RetroArch-WIMP/" PACKAGE_VERSION
 #define PARTIAL_EXTENSION ".partial"
 #define THUMBNAIL_URL_HEADER "https://github.com/libretro-thumbnails/"
diff --git a/ui/drivers/qt/thumbnailpackdownload.cpp b/ui/drivers/qt/thumbnailpackdownload.cpp
index df4b68145c..ac29d22fe0 100644
--- a/ui/drivers/qt/thumbnailpackdownload.cpp
+++ b/ui/drivers/qt/thumbnailpackdownload.cpp
@@ -15,6 +15,7 @@ extern "C" {
 #include "../../../version.h"
 }
 
+#undef TEMP_EXTENSION
 #define USER_AGENT "RetroArch-WIMP/" PACKAGE_VERSION
 #define PARTIAL_EXTENSION ".partial"
 #define TEMP_EXTENSION ".tmp"
diff --git a/ui/drivers/qt/ui_qt_window.cpp b/ui/drivers/qt/ui_qt_window.cpp
index 311a512fa9..0fa3415b3b 100644
--- a/ui/drivers/qt/ui_qt_window.cpp
+++ b/ui/drivers/qt/ui_qt_window.cpp
@@ -346,7 +346,6 @@ MainWindow::MainWindow(QWidget *parent) :
    QHBoxLayout *gridProgressLayout = new QHBoxLayout();
    QLabel *gridProgressLabel = NULL;
    QHBoxLayout *gridFooterLayout = NULL;
-   int i = 0;
 
    qRegisterMetaType<QPointer<ThumbnailWidget> >("ThumbnailWidget");
    qRegisterMetaType<retro_task_callback_t>("retro_task_callback_t");