diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f5a246e7..c73dfa4f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
 add_definitions(-DFALKON_VERSION=\"${PROJECT_VERSION}\")
 
 # Defines that are always set
-add_definitions(-DQT_NO_URL_CAST_FROM_STRING -DQT_USE_QSTRINGBUILDER)
+add_definitions(-DQT_NO_URL_CAST_FROM_STRING -DQT_USE_QSTRINGBUILDER -DQT_NO_CAST_TO_ASCII)
 
 # Configurable options (TODO: move all defines to a generated header)
 option(NO_SYSTEM_DATAPATH "TODO" OFF)
@@ -132,7 +132,6 @@ include_directories(
      ${CMAKE_SOURCE_DIR}/src/lib/plugins
      ${CMAKE_SOURCE_DIR}/src/lib/popupwindow
      ${CMAKE_SOURCE_DIR}/src/lib/preferences
-     ${CMAKE_SOURCE_DIR}/src/lib/rss
      ${CMAKE_SOURCE_DIR}/src/lib/session
      ${CMAKE_SOURCE_DIR}/src/lib/sidebar
      ${CMAKE_SOURCE_DIR}/src/lib/tabwidget
diff --git a/src/lib/opensearch/searchenginesmanager.cpp b/src/lib/opensearch/searchenginesmanager.cpp
index 94b86e2ff..91766f6c4 100644
--- a/src/lib/opensearch/searchenginesmanager.cpp
+++ b/src/lib/opensearch/searchenginesmanager.cpp
@@ -136,7 +136,7 @@ LoadRequest SearchEnginesManager::searchResult(const Engine &engine, const QStri
     // GET search engine
     if (engine.postData.isEmpty()) {
         QByteArray url = engine.url.toUtf8();
-        url.replace(QLatin1String("%s"), QUrl::toPercentEncoding(string));
+        url.replace("%s", QUrl::toPercentEncoding(string));
 
         return LoadRequest(QUrl::fromEncoded(url));
     }
diff --git a/src/lib/preferences/acceptlanguage.cpp b/src/lib/preferences/acceptlanguage.cpp
index da6986517..de11316d0 100644
--- a/src/lib/preferences/acceptlanguage.cpp
+++ b/src/lib/preferences/acceptlanguage.cpp
@@ -60,7 +60,7 @@ QByteArray AcceptLanguage::generateHeader(const QStringList &langs)
     }
 
     QByteArray header;
-    header.append(langs.at(0));
+    header.append(langs.at(0).toLatin1());
 
     int counter = 8;
     for (int i = 1; i < langs.count(); i++) {
@@ -70,7 +70,7 @@ QByteArray AcceptLanguage::generateHeader(const QStringList &langs)
             counter -= 2;
         }
 
-        header.append(s);
+        header.append(s.toLatin1());
     }
 
     return header;