Don't check for null pointer before deleting objects.

- as delete 0 is safe

src/lib/cookies/cookiemanager.cpp

@@ -225,12 +225,7 @@ void CookieManager::addWhitelist()
 
 void CookieManager::removeWhitelist()
 {
-    QListWidgetItem* current = ui->whiteList->currentItem();
-    if (!current) {
-        return;
-    }
-
-    delete current;
+    delete ui->whiteList->currentItem();
 }
 
 void CookieManager::addBlacklist()
@@ -245,12 +240,7 @@ void CookieManager::addBlacklist()
 
 void CookieManager::removeBlacklist()
 {
-    QListWidgetItem* current = ui->blackList->currentItem();
-    if (!current) {
-        return;
-    }
-
-    delete current;
+    delete ui->blackList->currentItem();
 }
 
 void CookieManager::deletePressed()

src/lib/downloads/downloadfilehelper.cpp

@@ -113,9 +113,7 @@ void DownloadFileHelper::optionsDialogAccepted(int finish)
 
     switch (finish) {
     case 0:  // Cancelled
-        if (m_timer) {
         delete m_timer;
-        }
 
         m_reply->abort();
         m_reply->deleteLater();
@@ -144,9 +142,7 @@ void DownloadFileHelper::optionsDialogAccepted(int finish)
 
     default:
         qWarning() << "DownloadFileHelper::optionsDialogAccepted invalid return value!";
-        if (m_timer) {
         delete m_timer;
-        }
 
         m_reply->abort();
         m_reply->deleteLater();
@@ -198,9 +194,7 @@ void DownloadFileHelper::fileNameChoosed(const QString &name, bool fileNameAutoG
         m_reply->abort();
         m_reply->deleteLater();
 
-        if (m_timer) {
         delete m_timer;
-        }
         return;
     }
 

src/lib/preferences/acceptlanguage.cpp

@@ -163,10 +163,7 @@ void AcceptLanguage::addLanguage()
 
 void AcceptLanguage::removeLanguage()
 {
-    QListWidgetItem* currentItem = ui->listWidget->currentItem();
-    if (currentItem) {
-        delete currentItem;
-    }
+    delete ui->listWidget->currentItem();
 }
 
 void AcceptLanguage::upLanguage()

src/lib/preferences/preferences.cpp

@@ -573,10 +573,8 @@ void Preferences::openSslManager()
 
 void Preferences::showAcceptLanguage()
 {
-    AcceptLanguage* a = new AcceptLanguage(this);
-    a->exec();
-
-    delete a;
+    AcceptLanguage a(this);
+    a.exec();
 }
 
 void Preferences::newTabChanged(int value)
@@ -936,7 +934,5 @@ Preferences::~Preferences()
     delete ui;
     delete m_autoFillManager;
     delete m_pluginsList;
-    if (m_notification) {
     delete m_notification.data();
 }
-}

src/lib/preferences/sslmanager.cpp

@@ -65,12 +65,7 @@ void SSLManager::addPath()
 
 void SSLManager::deletePath()
 {
-    QListWidgetItem* currentItem = ui->pathList->currentItem();
-    if (!currentItem) {
-        return;
-    }
-
-    delete currentItem;
+    delete ui->pathList->currentItem();
 }
 
 void SSLManager::refreshCAList()

src/lib/webview/siteinfo.cpp

@@ -290,7 +290,5 @@ void SiteInfo::securityDetailsClicked()
 SiteInfo::~SiteInfo()
 {
     delete ui;
-    if (m_certWidget) {
     delete m_certWidget;
 }
-}

src/lib/webview/webtab.cpp

@@ -322,7 +322,5 @@ void WebTab::disconnectObjects()
 
 WebTab::~WebTab()
 {
-    if (m_locationBar) {
     delete m_locationBar.data();
 }
-}