diff --git a/src/widgets/CMakeLists.txt b/src/widgets/CMakeLists.txt
index 6148a4d98..d4b188286 100644
--- a/src/widgets/CMakeLists.txt
+++ b/src/widgets/CMakeLists.txt
@@ -1,182 +1,184 @@
 set(akonadiwidgets_SRCS
     actionstatemanager.cpp
     agentactionmanager.cpp
     agentconfigurationdialog.cpp
     agentconfigurationwidget.cpp
     agentinstancewidget.cpp
     agenttypedialog.cpp
     agenttypewidget.cpp
     cachepolicypage.cpp
     collectioncombobox.cpp
     collectiondialog.cpp
     collectiongeneralpropertiespage.cpp
     collectionmaintenancepage.cpp
     collectionpropertiesdialog.cpp
     collectionpropertiespage.cpp
     collectionrequester.cpp
     collectionstatisticsdelegate.cpp
     collectionview.cpp
     conflictresolvedialog.cpp
     controlgui.cpp
     dragdropmanager.cpp
     entitylistview.cpp
     entitytreeview.cpp
     erroroverlay.cpp
     etmviewstatesaver.cpp
     itemview.cpp
     manageaccountwidget.cpp
     progressspinnerdelegate.cpp
     recentcollectionaction.cpp
     renamefavoritedialog.cpp
     standardactionmanager.cpp
     selftestdialog.cpp
     subscriptiondialog.cpp
     tageditwidget.cpp
     tagmanagementdialog.cpp
     tagselectiondialog.cpp
     tagwidget.cpp
     tagselectwidget.cpp
 )
 
 ecm_qt_declare_logging_category(akonadiwidgets_SRCS HEADER akonadiwidgets_debug.h IDENTIFIER AKONADIWIDGETS_LOG CATEGORY_NAME org.kde.pim.akonadiwidgets)
 
 set(akonadiwidgets_UI
     cachepolicypage.ui
     collectiongeneralpropertiespage.ui
     collectionmaintenancepage.ui
     controlprogressindicator.ui
     erroroverlay.ui
     manageaccountwidget.ui
     selftestdialog.ui
 )
 
 ecm_generate_headers(AkonadiWidgets_HEADERS
     HEADER_NAMES
     AgentActionManager
     AgentConfigurationDialog
     AgentConfigurationWidget
     AgentInstanceWidget
     AgentTypeDialog
     AgentTypeWidget
     CollectionComboBox
     CollectionDialog
     CollectionPropertiesDialog
     CollectionPropertiesPage
     CollectionMaintenancePage
     CollectionRequester
     CollectionStatisticsDelegate
     CollectionView
     ControlGui
     EntityListView
     EntityTreeView
     ETMViewStateSaver
     ItemView
     ManageAccountWidget
     StandardActionManager
     SubscriptionDialog
     TagManagementDialog
     TagSelectionDialog
     TagEditWidget
     TagWidget
     TagSelectWidget
     REQUIRED_HEADERS AkonadiWidgets_HEADERS
 )
 
 ki18n_wrap_ui(akonadiwidgets_SRCS ${akonadiwidgets_UI})
 
 add_library(KF5AkonadiWidgets ${akonadiwidgets_SRCS})
 
 generate_export_header(KF5AkonadiWidgets BASE_NAME akonadiwidgets)
 
 add_library(KF5::AkonadiWidgets ALIAS KF5AkonadiWidgets)
 
 target_include_directories(KF5AkonadiWidgets INTERFACE "$<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR_KF5}/AkonadiWidgets;${Boost_INCLUDE_DIR}>")
 
 target_link_libraries(KF5AkonadiWidgets
 PUBLIC
     KF5::AkonadiCore
     KF5::ItemModels
     Qt5::Widgets
     KF5::ConfigWidgets
 PRIVATE
     KF5::I18n
     KF5::IconThemes
     KF5::XmlGui
     KF5::ItemViews
     KF5::DBusAddons
     Qt5::Sql
     KF5::AkonadiPrivate
     KF5::WindowSystem
     KF5::Completion
 )
 
 set_target_properties(KF5AkonadiWidgets PROPERTIES
     VERSION ${AKONADI_VERSION_STRING}
     SOVERSION ${AKONADI_SOVERSION}
     EXPORT_NAME AkonadiWidgets
 )
 
 ecm_generate_pri_file(BASE_NAME AkonadiWidgets
     LIB_NAME KF5AkonadiWidgets
     DEPS "AkonadiCore ItemModels" FILENAME_VAR PRI_FILENAME
 )
 
 install(TARGETS
     KF5AkonadiWidgets
     EXPORT KF5AkonadiTargets ${KF5_INSTALL_TARGETS_DEFAULT_ARGS}
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/akonadiwidgets_export.h
     ${AkonadiWidgets_HEADERS}
     DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}/AkonadiWidgets COMPONENT Devel
 )
 
 install(FILES
     ${PRI_FILENAME}
     DESTINATION ${ECM_MKSPECS_INSTALL_DIR}
 )
 
 
 ######### Build and install QtDesigner plugin #############
 
-include(ECMAddQtDesignerPlugin)
-ecm_qtdesignerplugin_widget(Akonadi::AgentInstanceWidget
-    INCLUDE_FILE "agentinstancewidget.h"
-    TOOLTIP "Akonadi Agent Instance Settings (Akonadi)"
-    WHATSTHIS "A widget to configure akonadi instance."
-    GROUP "Input (KDE-PIM)"
+if(BUILD_DESIGNERPLUGIN)
+    include(ECMAddQtDesignerPlugin)
+    ecm_qtdesignerplugin_widget(Akonadi::AgentInstanceWidget
+        INCLUDE_FILE "agentinstancewidget.h"
+        TOOLTIP "Akonadi Agent Instance Settings (Akonadi)"
+        WHATSTHIS "A widget to configure akonadi instance."
+        GROUP "Input (KDE-PIM)"
     )
-ecm_qtdesignerplugin_widget(Akonadi::EntityTreeView
-    INCLUDE_FILE "entitytreeview.h"
-    TOOLTIP "A view to show an item/collection tree provided by an EntityTreeModel (Akonadi)"
-    WHATSTHIS "A view to show an item/collection tree provided by an EntityTreeModel."
-    GROUP "Input (KDE-PIM)"
+    ecm_qtdesignerplugin_widget(Akonadi::EntityTreeView
+        INCLUDE_FILE "entitytreeview.h"
+        TOOLTIP "A view to show an item/collection tree provided by an EntityTreeModel (Akonadi)"
+        WHATSTHIS "A view to show an item/collection tree provided by an EntityTreeModel."
+        GROUP "Input (KDE-PIM)"
     )
-ecm_qtdesignerplugin_widget(Akonadi::TagSelectWidget
-    INCLUDE_FILE "tagselectwidget.h"
-    TOOLTIP "A Widget to select tag (Akonadi)"
-    WHATSTHIS "A Widget to select tag."
-    GROUP "Input (KDE-PIM)"
+    ecm_qtdesignerplugin_widget(Akonadi::TagSelectWidget
+        INCLUDE_FILE "tagselectwidget.h"
+        TOOLTIP "A Widget to select tag (Akonadi)"
+        WHATSTHIS "A Widget to select tag."
+        GROUP "Input (KDE-PIM)"
     )
-ecm_qtdesignerplugin_widget(Akonadi::ManageAccountWidget
-    INCLUDE_FILE "manageaccountwidget.h"
-    TOOLTIP "A Widget to Manage Akonadi Account (KDE-PIM)"
-    WHATSTHIS "A Widget to Manage Akonadi Account."
-    GROUP "Input (KDE-PIM)"
+    ecm_qtdesignerplugin_widget(Akonadi::ManageAccountWidget
+        INCLUDE_FILE "manageaccountwidget.h"
+        TOOLTIP "A Widget to Manage Akonadi Account (KDE-PIM)"
+        WHATSTHIS "A Widget to Manage Akonadi Account."
+        GROUP "Input (KDE-PIM)"
     )
 
-ecm_add_qtdesignerplugin(akonadiwidgets
-    NAME AkonadiWidgets
-    OUTPUT_NAME akonadiwidgets
-    WIDGETS
-    Akonadi::AgentInstanceWidget
-    Akonadi::EntityTreeView
-    Akonadi::TagSelectWidget
-    Akonadi::ManageAccountWidget
-    LINK_LIBRARIES
-    KF5::AkonadiCore
-    KF5::AkonadiWidgets
-    INSTALL_DESTINATION "${KDE_INSTALL_QTPLUGINDIR}/designer"
-    COMPONENT Devel
+    ecm_add_qtdesignerplugin(akonadiwidgets
+        NAME AkonadiWidgets
+        OUTPUT_NAME akonadiwidgets
+        WIDGETS
+        Akonadi::AgentInstanceWidget
+        Akonadi::EntityTreeView
+        Akonadi::TagSelectWidget
+        Akonadi::ManageAccountWidget
+        LINK_LIBRARIES
+        KF5::AkonadiCore
+        KF5::AkonadiWidgets
+        INSTALL_DESTINATION "${KDE_INSTALL_QTPLUGINDIR}/designer"
+        COMPONENT Devel
     )
+endif()