diff --git a/src/config/CMakeLists.txt b/src/config/CMakeLists.txt
index 3168523f..5757ec73 100644
--- a/src/config/CMakeLists.txt
+++ b/src/config/CMakeLists.txt
@@ -1,92 +1,92 @@
 set(
     kbibtexconfig_SRCS
     notificationhub.cpp
     bibtexentries.cpp
     bibtexfields.cpp
     preferences.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexconfig_SRCS
     HEADER logging_config.h
     IDENTIFIER LOG_KBIBTEX_CONFIG
     CATEGORY_NAME kbibtex.config
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexconfig kbibtexconfig_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexconfig
     SHARED
     ${kbibtexconfig_SRCS}
 )
 
 generate_export_header(kbibtexconfig)
 add_library(KBibTeX::Config ALIAS kbibtexconfig)
 
 set_target_properties(kbibtexconfig
     PROPERTIES
     EXPORT_NAME "kbibtexconfig"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexconfig
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/config>
 )
 
 target_link_libraries(kbibtexconfig
     PUBLIC
         Qt5::Core
+        Qt5::Gui
         KBibTeX::Global
     PRIVATE
         KF5::ConfigCore
-        KF5::ConfigGui
         KF5::I18n
 )
 
 install(
     TARGETS kbibtexconfig
     EXPORT kbibtexconfig-targets
     LIBRARY NAMELINK_SKIP
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexconfig PROPERTIES
     EXPORT_NAME "Config"
 )
 
 ecm_generate_headers(kbibtexconfig_HEADERS
     HEADER_NAMES
         BibTeXEntries
         BibTeXFields
         NotificationHub
         Preferences
     REQUIRED_HEADERS kbibtexconfig_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexconfig_export.h
     ${kbibtexconfig_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/config
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXConfig-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXConfig-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXConfig-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXConfig-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXConfig-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/data/CMakeLists.txt b/src/data/CMakeLists.txt
index 2d1fef29..dc3495ca 100644
--- a/src/data/CMakeLists.txt
+++ b/src/data/CMakeLists.txt
@@ -1,104 +1,102 @@
 # KBibTeXData library
 
 set(
     kbibtexdata_SRCS
     comment.cpp
     element.cpp
     entry.cpp
     file.cpp
     macro.cpp
     preamble.cpp
     value.cpp
     models/filemodel.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexdata_SRCS
     HEADER logging_data.h
     IDENTIFIER LOG_KBIBTEX_DATA
     CATEGORY_NAME kbibtex.data
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexdata kbibtexdata_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexdata
     SHARED
     ${kbibtexdata_SRCS}
 )
 generate_export_header(kbibtexdata)
 add_library(KBibTeX::Data ALIAS kbibtexdata)
 
 set_target_properties(
     kbibtexdata
     PROPERTIES
     EXPORT_NAME "kbibtexdata"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexdata
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/data>
 )
 
 target_link_libraries(kbibtexdata
     PUBLIC
         Qt5::Core
         KBibTeX::Config
     PRIVATE
-        Qt5::Gui
         KF5::ConfigCore
-        KF5::ConfigGui
         KF5::I18n
         KBibTeX::Global
 )
 
 install(
     TARGETS kbibtexdata
     EXPORT kbibtexdata-targets
     LIBRARY NAMELINK_SKIP
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexdata PROPERTIES
     EXPORT_NAME "Data"
 )
 
 ecm_generate_headers(kbibtexdata_HEADERS
     HEADER_NAMES
         Comment
         Element
         Entry
         File
         Macro
         Preamble
         Value
         models/FileModel
     REQUIRED_HEADERS kbibtexdata_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexdata_export.h
     ${kbibtexdata_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/data
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXData-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXData-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXData-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXData-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXData-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/global/CMakeLists.txt b/src/global/CMakeLists.txt
index 80750c64..8fdf5725 100644
--- a/src/global/CMakeLists.txt
+++ b/src/global/CMakeLists.txt
@@ -1,86 +1,84 @@
 set(
     kbibtexglobal_SRCS
     kbibtex.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexglobal_SRCS
     HEADER logging_global.h
     IDENTIFIER LOG_KBIBTEX_GLOBAL
     CATEGORY_NAME kbibtex.global
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexglobal kbibtexglobal_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexglobal
     SHARED
     ${kbibtexglobal_SRCS}
 )
 generate_export_header(kbibtexglobal)
 add_library(KBibTeX::Global ALIAS kbibtexglobal)
 
 set_target_properties(
     kbibtexglobal
     PROPERTIES
     EXPORT_NAME "kbibtexglobal"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexglobal
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/global>
         $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src/global>
 )
 
 target_link_libraries(kbibtexglobal
     PUBLIC
         Qt5::Core
-        Qt5::Gui
     PRIVATE
         KF5::ConfigCore
-        KF5::ConfigGui
         KF5::I18n
 )
 
 install(
     TARGETS kbibtexglobal
     EXPORT kbibtexglobal-targets
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexglobal PROPERTIES
     EXPORT_NAME "Global"
 )
 
 ecm_generate_headers(kbibtexglobal_HEADERS
     HEADER_NAMES
         KBibTeX
     REQUIRED_HEADERS kbibtexglobal_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexglobal_export.h
     ${kbibtexglobal_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/global
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGlobal-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXGlobal-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGlobal-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGlobal-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGlobal-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index f8864d26..2cf457b7 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -1,172 +1,171 @@
 set(
     kbibtexgui_SRCS
     element/associatedfilesui.cpp
     element/elementeditor.cpp
     element/elementwidgets.cpp
     element/findpdfui.cpp
     field/colorlabelwidget.cpp
     field/fieldinput.cpp
     field/fieldlineedit.cpp
     field/fieldlistedit.cpp
     file/basicfileview.cpp
     file/clipboard.cpp
     file/filedelegate.cpp
     file/fileview.cpp
     file/partwidget.cpp
     file/findduplicatesui.cpp
     file/sortfilterfilemodel.cpp
     widgets/filesettingswidget.cpp
     widgets/filterbar.cpp
     widgets/hidingtabwidget.cpp
     widgets/menulineedit.cpp
     widgets/radiobuttontreeview.cpp
     widgets/rangewidget.cpp
     widgets/starrating.cpp
     config/entrylayout.cpp
     preferences/kbibtexpreferencesdialog.cpp
     preferences/settingsabstractwidget.cpp
     preferences/settingscolorlabelwidget.cpp
     preferences/settingsfileexporterpdfpswidget.cpp
     preferences/settingsfileexporterwidget.cpp
     preferences/settingsgeneralwidget.cpp
     preferences/settingsglobalkeywordswidget.cpp
     preferences/settingsidsuggestionswidget.cpp
     preferences/settingsidsuggestionseditor.cpp
     preferences/settingsuserinterfacewidget.cpp
     guihelper.cpp
     italictextitemmodel.cpp
     valuelistmodel.cpp
     delayedexecutiontimer.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexgui_SRCS
     HEADER logging_gui.h
     IDENTIFIER LOG_KBIBTEX_GUI
     CATEGORY_NAME kbibtex.gui
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexgui kbibtexgui_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexgui
     SHARED
     ${kbibtexgui_SRCS}
 )
 generate_export_header(kbibtexgui)
 add_library(KBibTeX::GUI ALIAS kbibtexgui)
 
 set_target_properties(kbibtexgui
     PROPERTIES
     EXPORT_NAME "kbibtexgui"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexgui
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/gui>
 )
 
 target_link_libraries(kbibtexgui
     PUBLIC
         Qt5::Core
-        Qt5::Gui
         Qt5::Widgets
     PRIVATE
         Poppler::Qt5
+        Qt5::Gui
         Qt5::Concurrent
         Qt5::XmlPatterns
         KF5::ConfigCore
-        KF5::ConfigGui
         KF5::I18n
         KF5::IconThemes
         KF5::WidgetsAddons
         KF5::KIOCore
         KF5::KIOFileWidgets
         KF5::Parts
         KF5::TextEditor
         KBibTeX::Config
         KBibTeX::Data
         KBibTeX::Global
         KBibTeX::IO
         KBibTeX::Networking
         KBibTeX::Processing
 )
 
 install(
     TARGETS kbibtexgui
     EXPORT kbibtexgui-targets
     LIBRARY NAMELINK_SKIP
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexgui PROPERTIES
     EXPORT_NAME "GUI"
 )
 
 ecm_generate_headers(kbibtexgui_HEADERS
     HEADER_NAMES
         element/AssociatedFilesUI
         element/ElementEditor
         element/ElementWidgets
         element/FindPDFUI
         field/ColorLabelWidget
         field/FieldInput
         field/FieldLineEdit
         field/FieldListEdit
         file/BasicFileView
         file/Clipboard
         file/FileDelegate
         file/FileView
         file/FindDuplicatesUI
         file/PartWidget
         file/SortFilterFileModel
         widgets/FileSettingsWidget
         widgets/FilterBar
         widgets/HidingTabWidget
         widgets/MenuLineEdit
         widgets/RadioButtonTreeView
         widgets/RangeWidget
         widgets/StarRating
         config/EntryLayout
         preferences/KBibTeXPreferencesDialog
         preferences/SettingsAbstractWidget
         preferences/SettingsColorLabelWidget
         preferences/SettingsFileExporterPDFPSWidget
         preferences/SettingsFileExporterWidget
         preferences/SettingsGeneralWidget
         preferences/SettingsGlobalKeywordsWidget
         preferences/SettingsIdSuggestionsEditor
         preferences/SettingsIdSuggestionsWidget
         preferences/SettingsUserInterfaceWidget
         ItalicTextItemModel
         ValueListModel
         GUIHelper
     REQUIRED_HEADERS kbibtexgui_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexgui_export.h
     ${kbibtexgui_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/gui
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGUI-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXGUI-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGUI-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGUI-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXGUI-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/io/CMakeLists.txt b/src/io/CMakeLists.txt
index 25d3348e..56300776 100644
--- a/src/io/CMakeLists.txt
+++ b/src/io/CMakeLists.txt
@@ -1,143 +1,142 @@
 set(
     kbibtexio_SRCS
     encoder.cpp
     encoderlatex.cpp
     encoderxml.cpp
     fileexporterbibtex2html.cpp
     fileexporterbibtex.cpp
     fileexporterbibutils.cpp
     fileexporterbibtexoutput.cpp
     fileexporter.cpp
     fileexporterpdf.cpp
     fileexporterps.cpp
     fileexporterris.cpp
     fileexporterrtf.cpp
     fileexportertoolchain.cpp
     fileexporterxml.cpp
     fileexporterxslt.cpp
     fileimporterbibtex.cpp
     fileimporterbibutils.cpp
     fileimporter.cpp
     fileimporterpdf.cpp
     fileimporterris.cpp
     fileinfo.cpp
     textencoder.cpp
     bibutils.cpp
     xsltransform.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexio_SRCS
     HEADER logging_io.h
     IDENTIFIER LOG_KBIBTEX_IO
     CATEGORY_NAME kbibtex.io
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexio kbibtexio_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexio
     SHARED
     ${kbibtexio_SRCS}
 )
 generate_export_header(kbibtexio)
 add_library(KBibTeX::IO ALIAS kbibtexio)
 
 set_target_properties(kbibtexio
     PROPERTIES
     EXPORT_NAME "kbibtexio"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexio
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/io>
 )
 
 target_link_libraries(kbibtexio
     PUBLIC
         Qt5::Core
-        Qt5::Gui
         KBibTeX::Data
         KBibTeX::Global
     PRIVATE
         Poppler::Qt5
         Qt5::Concurrent
         Qt5::XmlPatterns
         KF5::I18n
         KBibTeX::Config
 )
 
 if(ICU_FOUND)
     target_link_libraries(kbibtexio
         PRIVATE
             ICU::uc
             ICU::i18n
     )
 endif()
 
 install(
     TARGETS kbibtexio
     EXPORT kbibtexio-targets
     LIBRARY NAMELINK_SKIP
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexio PROPERTIES
     EXPORT_NAME "IO"
 )
 
 ecm_generate_headers(kbibtexio_HEADERS
     HEADER_NAMES
         BibUtils
         Encoder
         EncoderLaTeX
         EncoderXML
         FileExporter
         FileExporterBibTeX
         FileExporterBibTeX2HTML
         FileExporterBibTeXOutput
         FileExporterBibUtils
         FileExporterPDF
         FileExporterPS
         FileExporterRIS
         FileExporterRTF
         FileExporterToolchain
         FileExporterXML
         FileExporterXSLT
         FileImporter
         FileImporterBibTeX
         FileImporterBibUtils
         FileImporterPDF
         FileImporterRIS
         FileInfo
         TextEncoder
         XSLTransform
     REQUIRED_HEADERS kbibtexio_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexio_export.h
     ${kbibtexio_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/io
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXIO-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXIO-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXIO-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXIO-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXIO-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/networking/CMakeLists.txt b/src/networking/CMakeLists.txt
index 0c3daf67..9cc2df6c 100644
--- a/src/networking/CMakeLists.txt
+++ b/src/networking/CMakeLists.txt
@@ -1,163 +1,161 @@
 set(
     kbibtexnetworking_SRCS
     onlinesearch/onlinesearchabstract.cpp
     onlinesearch/onlinesearchbibsonomy.cpp
     onlinesearch/onlinesearcharxiv.cpp
     onlinesearch/onlinesearchsciencedirect.cpp
     onlinesearch/onlinesearchgooglescholar.cpp
     onlinesearch/onlinesearchieeexplore.cpp
     onlinesearch/onlinesearchpubmed.cpp
     onlinesearch/onlinesearchacmportal.cpp
     onlinesearch/onlinesearchspringerlink.cpp
     onlinesearch/onlinesearchjstor.cpp
     onlinesearch/onlinesearchmathscinet.cpp
     onlinesearch/onlinesearchmrlookup.cpp
     onlinesearch/onlinesearchinspirehep.cpp
     onlinesearch/onlinesearchcernds.cpp
     onlinesearch/onlinesearchingentaconnect.cpp
     onlinesearch/onlinesearchsimplebibtexdownload.cpp
     onlinesearch/onlinesearchgeneral.cpp
     onlinesearch/onlinesearchsoanasaads.cpp
     onlinesearch/onlinesearchideasrepec.cpp
     onlinesearch/onlinesearchdoi.cpp
     onlinesearch/onlinesearchbiorxiv.cpp
     onlinesearch/onlinesearchsemanticscholar.cpp
     zotero/api.cpp
     zotero/collectionmodel.cpp
     zotero/collection.cpp
     zotero/items.cpp
     zotero/groups.cpp
     zotero/oauthwizard.cpp
     zotero/tags.cpp
     zotero/tagmodel.cpp
     associatedfiles.cpp
     findpdf.cpp
     internalnetworkaccessmanager.cpp
     urlchecker.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexnetworking_SRCS
     HEADER logging_networking.h
     IDENTIFIER LOG_KBIBTEX_NETWORKING
     CATEGORY_NAME kbibtex.networking
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexnetworking kbibtexnetworking_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexnetworking
     SHARED
     ${kbibtexnetworking_SRCS}
 )
 generate_export_header(kbibtexnetworking)
 add_library(KBibTeX::Networking ALIAS kbibtexnetworking)
 
 set_target_properties(kbibtexnetworking
     PROPERTIES
     EXPORT_NAME "kbibtexnetworking"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexnetworking
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/networking>
 )
 
 target_link_libraries(kbibtexnetworking
     PUBLIC
         Qt5::Core
-        Qt5::Gui
         Qt5::Network
         Qt5::Widgets
         KBibTeX::Data
     PRIVATE
         Poppler::Qt5
         Qt5::DBus
         Qt5::NetworkAuth
         KF5::ConfigCore
-        KF5::ConfigGui
         KF5::WidgetsAddons
         KF5::I18n
         KF5::KIOCore
         KF5::KIOFileWidgets
         KBibTeX::Config
         KBibTeX::Global
         KBibTeX::IO
 )
 
 install(
     TARGETS kbibtexnetworking
     EXPORT kbibtexnetworking-targets
     LIBRARY NAMELINK_SKIP
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexnetworking PROPERTIES
     EXPORT_NAME "Networking"
 )
 
 ecm_generate_headers(kbibtexnetworking_HEADERS
     HEADER_NAMES
         AssociatedFiles
         FindPDF
         InternalNetworkAccessManager
         UrlChecker
         onlinesearch/OnlineSearchAbstract
         onlinesearch/OnlineSearchGeneral
         onlinesearch/OnlineSearchAcmPortal
         onlinesearch/OnlineSearchArXiv
         onlinesearch/OnlineSearchBibsonomy
         onlinesearch/OnlineSearchBioRxiv
         onlinesearch/OnlineSearchCERNDS
         onlinesearch/OnlineSearchDOI
         onlinesearch/OnlineSearchGoogleScholar
         onlinesearch/OnlineSearchIDEASRePEc
         onlinesearch/OnlineSearchIEEEXplore
         onlinesearch/OnlineSearchIngentaConnect
         onlinesearch/OnlineSearchInspireHep
         onlinesearch/OnlineSearchJStor
         onlinesearch/OnlineSearchMathSciNet
         onlinesearch/OnlineSearchMRLookup
         onlinesearch/OnlineSearchPubMed
         onlinesearch/OnlineSearchScienceDirect
         onlinesearch/OnlineSearchSemanticScholar
         onlinesearch/OnlineSearchSimpleBibTeXDownload
         onlinesearch/OnlineSearchSOANASAADS
         onlinesearch/OnlineSearchSpringerLink
         zotero/API
         zotero/Collection
         zotero/CollectionModel
         zotero/Groups
         zotero/Items
         zotero/OAuthWizard
         zotero/TagModel
         zotero/Tags
     REQUIRED_HEADERS kbibtexnetworking_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexnetworking_export.h
     ${kbibtexnetworking_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/networking
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXNetworking-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXNetworking-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXNetworking-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXNetworking-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXNetworking-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/processing/CMakeLists.txt b/src/processing/CMakeLists.txt
index b87fa558..df5c04ac 100644
--- a/src/processing/CMakeLists.txt
+++ b/src/processing/CMakeLists.txt
@@ -1,101 +1,100 @@
 set(
     kbibtexprocessing_SRCS
     findduplicates.cpp
     idsuggestions.cpp
     lyx.cpp
     checkbibtex.cpp
     bibliographyservice.cpp
     journalabbreviations.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexprocessing_SRCS
     HEADER logging_processing.h
     IDENTIFIER LOG_KBIBTEX_PROCESSING
     CATEGORY_NAME kbibtex.processing
 )
 
 if(UNITY_BUILD)
     enable_unity_build(kbibtexproc kbibtexprocessing_SRCS)
 endif(UNITY_BUILD)
 
 add_library(kbibtexprocessing
     SHARED
     ${kbibtexprocessing_SRCS}
 )
 generate_export_header(kbibtexprocessing)
 add_library(KBibTeX::Processing ALIAS kbibtexprocessing)
 
 set_target_properties(kbibtexprocessing
     PROPERTIES
     EXPORT_NAME "kbibtexprocessing"
     VERSION ${KBIBTEX_RELEASE_VERSION}
     SOVERSION ${KBIBTEX_SOVERSION}
 )
 
 target_include_directories(kbibtexprocessing
     INTERFACE
         $<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/KBibTeX/processing>
 )
 
 target_link_libraries(kbibtexprocessing
     PUBLIC
         Qt5::Core
         KBibTeX::Data
     PRIVATE
         Qt5::Widgets
         KF5::ConfigCore
-        KF5::ConfigGui
         KF5::I18n
         KF5::Parts
         KF5::WidgetsAddons
         KF5::XmlGui
         KBibTeX::Config
         KBibTeX::IO
 )
 
 install(
     TARGETS kbibtexprocessing
     EXPORT kbibtexprocessing-targets
     LIBRARY NAMELINK_SKIP
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 set_target_properties(kbibtexprocessing PROPERTIES
     EXPORT_NAME "Processing"
 )
 
 ecm_generate_headers(kbibtexprocessing_HEADERS
     HEADER_NAMES
         BibliographyService
         CheckBibTeX
         FindDuplicates
         IdSuggestions
         JournalAbbreviations
         LyX
     REQUIRED_HEADERS kbibtexprocessing_HEADERS
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/kbibtexprocessing_export.h
     ${kbibtexprocessing_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/KBibTeX/processing
     COMPONENT Devel
 )
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXProcessing-configVersion.cmake
     VERSION ${PROJECT_VERSION}
     COMPATIBILITY ExactVersion
 )
 
 configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/KBibTeXProcessing-config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXProcessing-config.cmake
     INSTALL_DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXProcessing-config.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/KBibTeXProcessing-configVersion.cmake
     DESTINATION ${KDE_INSTALL_LIBDIR}/cmake/KBibTeX
 )
diff --git a/src/program/CMakeLists.txt b/src/program/CMakeLists.txt
index 279f0816..7bf9ae6d 100644
--- a/src/program/CMakeLists.txt
+++ b/src/program/CMakeLists.txt
@@ -1,133 +1,132 @@
 set(
     kbibtexprogram_SRCS
     program.cpp
     mainwindow.cpp
     documentlist.cpp
     mdiwidget.cpp
     docklets/statistics.cpp
     docklets/referencepreview.cpp
     docklets/documentpreview.cpp
     docklets/valuelist.cpp
     docklets/searchform.cpp
     docklets/searchresults.cpp
     docklets/elementform.cpp
     docklets/filesettings.cpp
     docklets/zoterobrowser.cpp
     openfileinfo.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexprogram_SRCS
     HEADER logging_program.h
     IDENTIFIER LOG_KBIBTEX_PROGRAM
     CATEGORY_NAME kbibtex.program
 )
 
 if(UNITY_BUILD AND NOT WIN32) # FIXME: Unity build of programs breaks on Windows
     enable_unity_build(kbibtex kbibtexprogram_SRCS)
 endif(UNITY_BUILD AND NOT WIN32)
 
 
 ecm_add_app_icon(kbibtexprogram_SRCS
     ICONS
     ${CMAKE_SOURCE_DIR}/icons/16-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/22-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/32-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/48-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/64-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/128-apps-kbibtex.png
 )
 
 add_executable(kbibtex
     ${kbibtexprogram_SRCS}
 )
 
 add_dependencies(kbibtex
     generate-kbibtex-git-info
 )
 
 target_include_directories(kbibtex
     PRIVATE
         ${CMAKE_BINARY_DIR}
 )
 
 target_link_libraries(kbibtex
     PRIVATE
         Qt5::Core
-        Qt5::Gui
         KF5::CoreAddons
         KF5::Crash
         KF5::I18n
         KF5::IconThemes
         KF5::KIOCore
         KF5::KIOFileWidgets
         KF5::Parts
         KF5::Wallet
         KBibTeX::Global
         KBibTeX::GUI
         KBibTeX::IO
         KBibTeX::Networking
         KBibTeX::Processing
 )
 
 if(Qt5WebEngineWidgets_FOUND)
     message(STATUS "Using QtWebEngine to render complex HTML content")
     # Once CMake 3.12.x is minimum requirement, use 'add_compile_definitions'
     add_definitions(
         -DHAVE_WEBENGINEWIDGETS
     )
     target_link_libraries(kbibtex
         PRIVATE
             Qt5::WebEngineWidgets
     )
 else()
     if(Qt5WebKitWidgets_FOUND)
         message(STATUS "Using QtWebKit to render complex HTML content")
         # Once CMake 3.12.x is minimum requirement, use 'add_compile_definitions'
         add_definitions(
             -DHAVE_WEBKITWIDGETS
         )
         target_link_libraries(kbibtex
             PRIVATE
                 Qt5::WebKitWidgets
          )
     else()
         message(STATUS "If available, using a KPart to render complex HTML content")
     endif()
 endif()
 
 
 install(
     TARGETS
     kbibtex
     ${KDE_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 install(
     PROGRAMS
     org.kde.kbibtex.desktop
     DESTINATION
     ${KDE_INSTALL_APPDIR}
 )
 install(
     FILES
     kbibtexui.rc
     DESTINATION
     ${KDE_INSTALL_KXMLGUI5DIR}/kbibtex
 )
 install(
     FILES
     org.kde.kbibtex.appdata.xml
     DESTINATION
     ${KDE_INSTALL_METAINFODIR}
 )
 
 ecm_install_icons(
     ICONS
     ${CMAKE_SOURCE_DIR}/icons/16-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/22-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/32-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/48-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/64-apps-kbibtex.png
     ${CMAKE_SOURCE_DIR}/icons/128-apps-kbibtex.png
     DESTINATION ${KDE_INSTALL_ICONDIR}
 )
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index a8ec080f..8677f3ac 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -1,202 +1,201 @@
 include(AddFileDependencies)
 include(ECMMarkAsTest)
 
 configure_file(test-config.h.in test-config.h @ONLY)
 
 set(
     kbibtextest_SRCS
     main.cpp
     kbibtextest.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtextest_SRCS
     HEADER logging_test.h
     IDENTIFIER LOG_KBIBTEX_TEST
     CATEGORY_NAME kbibtex.test
 )
 
 set(
     kbibtexfilestest_SRCS
     kbibtexfilestest.cpp
     kbibtexfilestest-rawdata.h
 )
 
 ecm_qt_declare_logging_category(kbibtexfilestest_SRCS
     HEADER logging_test.h
     IDENTIFIER LOG_KBIBTEX_TEST
     CATEGORY_NAME kbibtex.test
 )
 
 set(
     kbibtexnetworkingtest_SRCS
     kbibtexnetworkingtest.cpp
 )
 
 set(
     kbibtexiotest_SRCS
     kbibtexiotest.cpp
 )
 
 ecm_qt_declare_logging_category(kbibtexiotest_SRCS
     HEADER logging_test.h
     IDENTIFIER LOG_KBIBTEX_TEST
     CATEGORY_NAME kbibtex.test
 )
 
 set(
     kbibtexdatatest_SRCS
     kbibtexdatatest.cpp
 )
 
 if(UNITY_BUILD AND NOT WIN32) # FIXME: Unity build of programs breaks on Windows
     enable_unity_build(kbibtextest kbibtextest_SRCS)
     enable_unity_build(kbibtexfilestest kbibtexfilestest_SRCS)
     enable_unity_build(kbibtexnetworkingtest kbibtexnetworkingtest_SRCS)
     enable_unity_build(kbibtexiotest kbibtexiotest_SRCS)
     enable_unity_build(kbibtexdatatest kbibtexdatatest_SRCS)
 endif(UNITY_BUILD AND NOT WIN32)
 
 add_executable(
     kbibtextest
     ${kbibtextest_SRCS}
 )
 
 add_dependencies(kbibtextest
     generate-kbibtex-git-info
 )
 
 add_executable(
     kbibtexfilestest
     ${kbibtexfilestest_SRCS}
 )
 
 add_dependencies(kbibtexfilestest
     generate-kbibtex-git-info
 )
 
 add_executable(
     kbibtexnetworkingtest
     ${kbibtexnetworkingtest_SRCS}
 )
 
 add_dependencies(kbibtexnetworkingtest
     generate-kbibtex-git-info
 )
 
 add_executable(
     kbibtexiotest
     ${kbibtexiotest_SRCS}
 )
 
 add_dependencies(kbibtexiotest
     generate-kbibtex-git-info
 )
 
 add_executable(
     kbibtexdatatest
     ${kbibtexdatatest_SRCS}
 )
 
 add_dependencies(kbibtexdatatest
     generate-kbibtex-git-info
 )
 
 target_link_libraries(kbibtextest
     Qt5::Core
     KF5::KIOCore
     KF5::I18n
     KBibTeX::Config
     KBibTeX::Data
     KBibTeX::IO
     KBibTeX::Processing
     KBibTeX::GUI
     KBibTeX::Networking
 )
 
 target_include_directories(kbibtextest
     PRIVATE
         ${CMAKE_BINARY_DIR}
 )
 
 target_link_libraries(kbibtexfilestest
     PRIVATE
         Qt5::Test
         KBibTeX::Data
         KBibTeX::IO
 )
 
 target_include_directories(kbibtexfilestest
     PRIVATE
         ${CMAKE_BINARY_DIR}
 )
 
 target_link_libraries(kbibtexnetworkingtest
     PRIVATE
         Qt5::Test
         KBibTeX::Networking
 )
 
 target_include_directories(kbibtexnetworkingtest
     PRIVATE
         ${CMAKE_BINARY_DIR}
 )
 
 target_link_libraries(kbibtexiotest
     PRIVATE
         Qt5::Test
         KF5::I18n
         KF5::ConfigCore
-        KF5::ConfigGui
         KBibTeX::IO
 )
 
 target_include_directories(kbibtexiotest
     PRIVATE
         ${CMAKE_BINARY_DIR}
 )
 
 target_link_libraries(kbibtexdatatest
     PRIVATE
         Qt5::Test
         KBibTeX::Data
 )
 
 target_include_directories(kbibtexdatatest
     PRIVATE
         ${CMAKE_BINARY_DIR}
 )
 
 ecm_mark_as_test(
     kbibtexfilestest
     kbibtexnetworkingtest
     kbibtexiotest
     kbibtexdatatest
 )
 
 add_test(
     NAME
     kbibtexfilestest
     COMMAND
     kbibtexfilestest
 )
 
 add_test(
     NAME
     kbibtexnetworkingtest
     COMMAND
     kbibtexnetworkingtest
 )
 
 add_test(
     NAME
     kbibtexiotest
     COMMAND
     kbibtexiotest
 )
 
 add_test(
     NAME
     kbibtexdatatest
     COMMAND
     kbibtexdatatest
 )