diff --git a/cockatrice/src/filters/filter_builder.cpp b/cockatrice/src/filters/filter_builder.cpp
index 7178ce95a..1b943281c 100644
--- a/cockatrice/src/filters/filter_builder.cpp
+++ b/cockatrice/src/filters/filter_builder.cpp
@@ -19,7 +19,7 @@ FilterBuilder::FilterBuilder(QWidget *parent) : QWidget(parent)
     for (int i = 0; i < CardFilter::TypeEnd; i++)
         typeCombo->addItem(CardFilter::typeName(static_cast<CardFilter::Type>(i)), QVariant(i));
 
-    QPushButton *ok = new QPushButton(QPixmap("theme:icons/increment"), QString());
+    auto *ok = new QPushButton(QPixmap("theme:icons/increment"), QString());
     ok->setObjectName("ok");
     ok->setMaximumSize(20, 20);
 
@@ -29,7 +29,7 @@ FilterBuilder::FilterBuilder(QWidget *parent) : QWidget(parent)
     edit->setClearButtonEnabled(true);
     edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 
-    QGridLayout *layout = new QGridLayout;
+    auto *layout = new QGridLayout;
     layout->setObjectName("layout");
     layout->setContentsMargins(0, 0, 0, 0);
 
diff --git a/cockatrice/src/filters/filter_tree_model.cpp b/cockatrice/src/filters/filter_tree_model.cpp
index f0a02ec79..75ed36b79 100644
--- a/cockatrice/src/filters/filter_tree_model.cpp
+++ b/cockatrice/src/filters/filter_tree_model.cpp
@@ -216,7 +216,7 @@ bool FilterTreeModel::setData(const QModelIndex &index, const QVariant &value, i
     if (node == NULL || node == fTree)
         return false;
 
-    Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
+    auto state = static_cast<Qt::CheckState>(value.toInt());
     if (state == Qt::Checked)
         node->enable();
     else
diff --git a/cockatrice/src/filters/syntax_help.cpp b/cockatrice/src/filters/syntax_help.cpp
index fa5338a41..e52800d71 100644
--- a/cockatrice/src/filters/syntax_help.cpp
+++ b/cockatrice/src/filters/syntax_help.cpp
@@ -41,7 +41,7 @@ static QTextBrowser *createBrowser(const QString &helpFile)
     browser->setReadOnly(true);
     browser->setMinimumSize({500, 600});
 
-    QString sheet = QString("a { text-decoration: underline; color: rgb(71,158,252) };");
+    auto sheet = QString("a { text-decoration: underline; color: rgb(71,158,252) };");
     browser->document()->setDefaultStyleSheet(sheet);
     browser->setHtml(text);
 
diff --git a/libcockatrice_filters/libcockatrice/filters/filter_tree.cpp b/libcockatrice_filters/libcockatrice/filters/filter_tree.cpp
index 89b772b8e..6593560da 100644
--- a/libcockatrice_filters/libcockatrice/filters/filter_tree.cpp
+++ b/libcockatrice_filters/libcockatrice/filters/filter_tree.cpp
@@ -86,7 +86,7 @@ FilterTreeNode *FilterItemList::termNode(const QString &term)
 {
     int i = termIndex(term);
     if (i < 0) {
-        FilterItem *fi = new FilterItem(term, this);
+        auto *fi = new FilterItem(term, this);
         int count = childNodes.count();
 
         preInsertChild(this, count);