diff --git a/YACReaderLibrary/YACReaderLibrary.pro b/YACReaderLibrary/YACReaderLibrary.pro
index 668189f6..be62fe6d 100644
--- a/YACReaderLibrary/YACReaderLibrary.pro
+++ b/YACReaderLibrary/YACReaderLibrary.pro
@@ -28,8 +28,8 @@ LIBS += -lpoppler-qt4
 INCLUDEPATH += ../dependencies/poppler/include/qt4
 }
 
-#QMAKE_CXXFLAGS_RELEASE += /MP /Ob2 /Oi /Ot /GT /GL
-#QMAKE_LFLAGS_RELEASE += /LTCG
+QMAKE_CXXFLAGS_RELEASE += /MP /Ob2 /Oi /Ot /GT /GL
+QMAKE_LFLAGS_RELEASE += /LTCG
 CONFIG -= embed_manifest_exe
 }
 
diff --git a/common/pictureflow.cpp b/common/pictureflow.cpp
index c029a69a..d92f4299 100644
--- a/common/pictureflow.cpp
+++ b/common/pictureflow.cpp
@@ -1385,14 +1385,9 @@ void PictureFlow::resortCovers(QList<int> newOrder)
 
     QVector<YACReaderComicReadStatus> marksNew;
 
-    SlideInfo centerSlideNew;
-    QVector<SlideInfo> leftSlidesNew;
-    QVector<SlideInfo> rightSlidesNew;
-
     QVector<SlideInfo> slidesInfo;
     slidesInfo << d->state->leftSlides << d->state->centerSlide << d->state->rightSlides;
     QVector<SlideInfo> slidesInfoNew;
-    int numSlides = 1 + d->state->leftSlides.length() + d->state->rightSlides.length();
 
     int order = 0;
     foreach(int index, newOrder)
diff --git a/custom_widgets/yacreader_table_view.cpp b/custom_widgets/yacreader_table_view.cpp
index 58f25f78..9ace5aef 100644
--- a/custom_widgets/yacreader_table_view.cpp
+++ b/custom_widgets/yacreader_table_view.cpp
@@ -160,7 +160,7 @@ void YACReaderTableView::performDrag()
     drag->setMimeData(model()->mimeData(selectionModel()->selectedRows()));
     drag->setPixmap(QPixmap(":/images/openInYACReader.png")); //TODO add better image
 
-    Qt::DropAction dropAction = drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction);
+    /*Qt::DropAction dropAction =*/ drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction);
 }
 
 void YACReaderTableView::dragEnterEvent(QDragEnterEvent *event)
diff --git a/shortcuts_management/edit_shortcut_item_delegate.cpp b/shortcuts_management/edit_shortcut_item_delegate.cpp
index 4c10b11a..14c8e906 100644
--- a/shortcuts_management/edit_shortcut_item_delegate.cpp
+++ b/shortcuts_management/edit_shortcut_item_delegate.cpp
@@ -80,7 +80,7 @@ void KeySequenceLineEdit::resizeEvent(QResizeEvent * e)
     QSize szClear = clearButton->sizeHint();
     //int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
     int leftMargin = style()->pixelMetric(QStyle::PM_LayoutLeftMargin);
-    int topMargin = style()->pixelMetric(QStyle::PM_LayoutTopMargin);
+    //int topMargin = style()->pixelMetric(QStyle::PM_LayoutTopMargin);
     clearButton->move(0 + leftMargin,(e->size().height()-19)/2); //16 is the icon height+1blank pixel
 
     acceptButton->move( leftMargin + szClear.width(),(e->size().height()-19)/2);