diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ebf7aa0..6404c42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,12 +39,8 @@ jobs:
           brew update
           brew install libchewing qt@5
 
-          # Qt
-          brew link --force qt@5
-          # Homebrew does not link mkspecs and plugins https://github.com/Homebrew/homebrew-core/issues/93056
-          export HOMEBREW_QT5_VERSION=$(brew list --versions qt@5 | rev | cut -d' ' -f1 | rev)
-          sudo ln -s /usr/local/Cellar/qt@5/$HOMEBREW_QT5_VERSION/mkspecs /usr/local/mkspecs
-          sudo ln -s /usr/local/Cellar/qt@5/$HOMEBREW_QT5_VERSION/plugins /usr/local/plugins
+          # Allow CMake to find qt@5 by passing down the environment variable
+          echo "CMAKE_PREFIX_PATH=$(brew --prefix qt@5)" >> $GITHUB_ENV
       if: ${{ matrix.os == 'macos-latest' }}
 
     - name: Configure CMake
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a42b12..079cab0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,7 +43,7 @@ elseif(MSVC)
     add_definitions(-DUNICODE -D_UNICODE)
 endif()
 
-add_definitions(-DTESTDATA="${PROJECT_SOURCE_DIR}/test/data")
+add_definitions(-DTESTDATA="${PROJECT_SOURCE_DIR}/test/data" -DQT_DISABLE_DEPRECATED_BEFORE=0x050e00)
 
 find_package(PkgConfig)
 find_package(Qt5Widgets REQUIRED)
@@ -161,12 +161,12 @@ QT5_ADD_RESOURCES(qt_resources ${PROJECT_SOURCE_DIR}/ts/ts.qrc)
 # exporter
 file(GLOB_RECURSE exporter_src ${PROJECT_SOURCE_DIR}/src/exporter/*)
 add_library(exporter STATIC ${exporter_src})
-qt5_use_modules(exporter Widgets)
+target_link_libraries(exporter Qt5::Widgets)
 
 # importer
 file(GLOB_RECURSE importer_src ${PROJECT_SOURCE_DIR}/src/importer/*)
 add_library(importer STATIC ${importer_src})
-qt5_use_modules(importer Widgets)
+target_link_libraries(importer Qt5::Widgets)
 
 # ui
 file(GLOB ui_src ${PROJECT_SOURCE_DIR}/src/ui/*)
@@ -175,7 +175,7 @@ qt5_wrap_ui(ui ${ui_src})
 # util
 file(GLOB util_src ${PROJECT_SOURCE_DIR}/src/util/*)
 add_library(util STATIC ${util_src})
-qt5_use_modules(util Widgets)
+target_link_libraries(util Qt5::Widgets)
 
 # chewing-editor
 file(GLOB chewing-editor_src
@@ -206,7 +206,7 @@ if(MSVC)
     )
 endif()
 
-qt5_use_modules(chewing-editor Widgets)
+target_link_libraries(chewing-editor Qt5::Widgets)
 install(PROGRAMS ${CMAKE_BINARY_DIR}/chewing-editor DESTINATION ${CMAKE_INSTALL_BINDIR})
 
 # icon
@@ -273,7 +273,7 @@ target_link_libraries(run-test
     util
     pthread
 )
-qt5_use_modules(run-test Widgets)
+target_link_libraries(run-test Qt5::Widgets)
 
 add_test(test run-test)
 
diff --git a/src/model/UserphraseModel.cpp b/src/model/UserphraseModel.cpp
index 995abeb..7e06004 100644
--- a/src/model/UserphraseModel.cpp
+++ b/src/model/UserphraseModel.cpp
@@ -20,6 +20,8 @@
 #include "UserphraseModel.h"
 
 #include <QDebug>
+#include <algorithm>
+#include <functional>
 
 static void logger(void *data, int level, const char *fmt, ...)
 {
@@ -86,7 +88,10 @@ void UserphraseModel::remove(QModelIndexList indexList)
         return;
     }
 
-    qSort(indexList.begin(), indexList.end(), qGreater<QModelIndex>());
+    std::sort(indexList.begin(), indexList.end(), [] (const QModelIndex& a, const QModelIndex& b) {
+        // QModelIndex provides operator< but no operator>
+        return !(a < b);
+    });
 
     // XXX: indexList is in revsrsed order, so first is actual last, and vice
     // verse.
diff --git a/src/view/ChewingEditor.cpp b/src/view/ChewingEditor.cpp
index be56c05..6200ad3 100644
--- a/src/view/ChewingEditor.cpp
+++ b/src/view/ChewingEditor.cpp
@@ -86,7 +86,7 @@ void ChewingEditor::execFileDialog(DialogType type)
         fileDialog_->setWindowTitle(tr("Import"));
         fileDialog_->setAcceptMode(QFileDialog::AcceptOpen);
         fileDialog_->setFileMode(QFileDialog::ExistingFile);
-        fileDialog_->setConfirmOverwrite(false);
+        fileDialog_->setOption(QFileDialog::DontConfirmOverwrite, true);
         fileDialog_->selectFile("");
         break;
 
@@ -94,7 +94,7 @@ void ChewingEditor::execFileDialog(DialogType type)
         fileDialog_->setWindowTitle(tr("Export"));
         fileDialog_->setAcceptMode(QFileDialog::AcceptSave);
         fileDialog_->setFileMode(QFileDialog::AnyFile);
-        fileDialog_->setConfirmOverwrite(true);
+        fileDialog_->setOption(QFileDialog::DontConfirmOverwrite, false);
         fileDialog_->selectFile("chewing.json");
         break;