diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20e2dfd4db..d9e574f2cb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,14 +37,14 @@ ecm_setup_version(${RELEASE_SERVICE_VERSION} VARIABLE_PREFIX DOLPHIN
 ecm_setup_version(${RELEASE_SERVICE_VERSION} VARIABLE_PREFIX DOLPHINVCS
                   VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/dolphinvcs_version.h"
                   PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/DolphinVcsConfigVersion.cmake"
-                  SOVERSION ${QT_MAJOR_VERSION}
+                  SOVERSION 6
 )
 
 ecm_setup_version(${RELEASE_SERVICE_VERSION} VARIABLE_PREFIX DOLPHINPRIVATE
-                  SOVERSION ${QT_MAJOR_VERSION}
+                  SOVERSION 6
 )
 
-find_package(Qt${QT_MAJOR_VERSION} ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
+find_package(Qt6 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
     Core
     Concurrent
     Widgets
@@ -54,10 +54,6 @@ find_package(Qt${QT_MAJOR_VERSION} ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
 
 if (UNIX AND NOT APPLE)
     set(HAVE_X11 TRUE)
-
-    if (QT_MAJOR_VERSION STREQUAL "5")
-        find_package(Qt5X11Extras REQUIRED)
-    endif()
 endif()
 
 find_package(KF6 ${KF6_MIN_VERSION} REQUIRED COMPONENTS
@@ -102,15 +98,15 @@ set_package_properties(KF6Activities PROPERTIES DESCRIPTION "KActivities librari
                        PURPOSE "For tracking which folders are frequently accessed on a Plasma desktop"
                       )
 
-find_package(Phonon4Qt${QT_MAJOR_VERSION} CONFIG REQUIRED)
+find_package(Phonon4Qt6 CONFIG REQUIRED)
 
-find_package(PackageKitQt${QT_MAJOR_VERSION})
-set_package_properties(PackageKitQt${QT_MAJOR_VERSION}
+find_package(PackageKitQt6)
+set_package_properties(PackageKitQt6
         PROPERTIES DESCRIPTION "Software Manager integration"
         TYPE OPTIONAL
         PURPOSE "Used in the service menu installer"
         )
-if(PackageKitQt${QT_MAJOR_VERSION}_FOUND)
+if(PackageKitQt6_FOUND)
     set(HAVE_PACKAGEKIT TRUE)
 endif()
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d78b05f911..0792af0c0b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -23,7 +23,7 @@ generate_export_header(dolphinvcs BASE_NAME dolphinvcs)
 
 target_link_libraries(
     dolphinvcs PUBLIC
-    Qt${QT_MAJOR_VERSION}::Widgets
+    Qt6::Widgets
 )
 
 set_target_properties(dolphinvcs PROPERTIES
@@ -195,8 +195,8 @@ generate_export_header(dolphinprivate BASE_NAME dolphin)
 target_link_libraries(
     dolphinprivate PUBLIC
     dolphinvcs
-    Qt${QT_MAJOR_VERSION}::Concurrent
-    Qt${QT_MAJOR_VERSION}::Gui
+    Qt6::Concurrent
+    Qt6::Gui
     KF6::I18n
     KF6::IconThemes
     KF6::KIOCore
@@ -254,7 +254,7 @@ target_link_libraries(dolphinpart
     dolphinprivate
 )
 
-install(TARGETS dolphinpart DESTINATION ${KDE_INSTALL_PLUGINDIR}/kf${QT_MAJOR_VERSION}/parts)
+install(TARGETS dolphinpart DESTINATION ${KDE_INSTALL_PLUGINDIR}/kf6/parts)
 install(FILES dolphinpartactions.desktop DESTINATION "${KDE_INSTALL_DATADIR}/dolphin/")
 
 ##########################################
@@ -435,7 +435,7 @@ target_link_libraries(dolphinstatic
     KF6::DBusAddons
     KF6::Notifications
     KF6::BookmarksWidgets
-    Phonon::phonon4qt${QT_MAJOR_VERSION}
+    Phonon::phonon4qt6
 )
 
 if (HAVE_KACTIVITIES)
@@ -477,11 +477,7 @@ target_link_libraries(dolphin
 )
 
 if (HAVE_X11)
-    if (QT_MAJOR_VERSION STREQUAL "5")
-        target_link_libraries(dolphin PRIVATE Qt{QT_MAJOR_VERSION}::X11Extras)
-    else()
-        target_link_libraries(dolphin PRIVATE Qt::GuiPrivate)
-    endif()
+    target_link_libraries(dolphin PRIVATE Qt::GuiPrivate)
 endif()
 
 include(DbusInterfaceMacros)
diff --git a/src/settings/contextmenu/servicemenuinstaller/CMakeLists.txt b/src/settings/contextmenu/servicemenuinstaller/CMakeLists.txt
index 603e5c2e51..606f2c5d0e 100644
--- a/src/settings/contextmenu/servicemenuinstaller/CMakeLists.txt
+++ b/src/settings/contextmenu/servicemenuinstaller/CMakeLists.txt
@@ -3,13 +3,13 @@ add_definitions(-DTRANSLATION_DOMAIN=\"dolphin_servicemenuinstaller\")
 
 add_executable(servicemenuinstaller servicemenuinstaller.cpp)
 target_link_libraries(servicemenuinstaller PRIVATE
-    Qt${QT_MAJOR_VERSION}::Core
-    Qt${QT_MAJOR_VERSION}::Gui
+    Qt6::Core
+    Qt6::Gui
     KF6::I18n
     KF6::CoreAddons
 )
 
 if(HAVE_PACKAGEKIT)
-    target_link_libraries(servicemenuinstaller PRIVATE PK::packagekitqt${QT_MAJOR_VERSION})
+    target_link_libraries(servicemenuinstaller PRIVATE PK::packagekitqt6)
 endif()
 install(TARGETS servicemenuinstaller ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 6431ff3fa9..949fd52b3f 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -1,73 +1,73 @@
 set( EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR} )
 
-find_package(Qt${QT_MAJOR_VERSION}Test CONFIG REQUIRED)
+find_package(Qt6Test CONFIG REQUIRED)
 include(ECMAddTests)
 
 include(FindGem)  # For servicemenutest, see bottom of this file
 
 # KItemSetTest
-ecm_add_test(kitemsettest.cpp LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+ecm_add_test(kitemsettest.cpp LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 # KItemRangeTest
-ecm_add_test(kitemrangetest.cpp LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+ecm_add_test(kitemrangetest.cpp LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 
 # KItemListSelectionManagerTest
-ecm_add_test(kitemlistselectionmanagertest.cpp LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+ecm_add_test(kitemlistselectionmanagertest.cpp LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 # KItemListControllerTest
 ecm_add_test(kitemlistcontrollertest.cpp testdir.cpp
 TEST_NAME kitemlistcontrollertest
-LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 # KItemListControllerExpandTest
 ecm_add_test(kitemlistcontrollerexpandtest.cpp testdir.cpp
 TEST_NAME kitemlistcontrollerexpandtest
-LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 # KFileItemListViewTest
 ecm_add_test(kfileitemlistviewtest.cpp testdir.cpp
 TEST_NAME kfileitemlistviewtest
-LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 # KFileItemModelTest
 ecm_add_test(kfileitemmodeltest.cpp testdir.cpp
 TEST_NAME kfileitemmodeltest
-LINK_LIBRARIES dolphinprivate dolphinstatic Qt${QT_MAJOR_VERSION}::Test)
+LINK_LIBRARIES dolphinprivate dolphinstatic Qt6::Test)
 
 # KFileItemModelBenchmark, not run automatically with `ctest` or `make test`
 add_executable(kfileitemmodelbenchmark kfileitemmodelbenchmark.cpp testdir.cpp)
-target_link_libraries(kfileitemmodelbenchmark dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+target_link_libraries(kfileitemmodelbenchmark dolphinprivate Qt6::Test)
 
 # KItemListKeyboardSearchManagerTest
-ecm_add_test(kitemlistkeyboardsearchmanagertest.cpp LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+ecm_add_test(kitemlistkeyboardsearchmanagertest.cpp LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 # DolphinSearchBox
 if (KF6Baloo_FOUND)
     ecm_add_test(dolphinsearchboxtest.cpp
     TEST_NAME dolphinsearchboxtest
-    LINK_LIBRARIES dolphinprivate dolphinstatic Qt${QT_MAJOR_VERSION}::Test)
+    LINK_LIBRARIES dolphinprivate dolphinstatic Qt6::Test)
 endif()
 
 # DolphinQuery
 if (KF6Baloo_FOUND)
     ecm_add_test(dolphinquerytest.cpp
     TEST_NAME dolphinquerytest
-    LINK_LIBRARIES dolphinprivate dolphinstatic Qt${QT_MAJOR_VERSION}::Test)
+    LINK_LIBRARIES dolphinprivate dolphinstatic Qt6::Test)
 endif()
 
 # ViewPropertiesTest
 ecm_add_test(viewpropertiestest.cpp testdir.cpp
 TEST_NAME viewpropertiestest
-LINK_LIBRARIES dolphinprivate dolphinstatic Qt${QT_MAJOR_VERSION}::Test)
+LINK_LIBRARIES dolphinprivate dolphinstatic Qt6::Test)
 
 # DolphinMainWindowTest
 ecm_add_test(dolphinmainwindowtest.cpp testdir.cpp ${CMAKE_SOURCE_DIR}/src/dolphin.qrc
 TEST_NAME dolphinmainwindowtest
-LINK_LIBRARIES dolphinprivate dolphinstatic Qt${QT_MAJOR_VERSION}::Test)
+LINK_LIBRARIES dolphinprivate dolphinstatic Qt6::Test)
 
 # DragAndDropHelperTest
-ecm_add_test(draganddrophelpertest.cpp LINK_LIBRARIES dolphinprivate Qt${QT_MAJOR_VERSION}::Test)
+ecm_add_test(draganddrophelpertest.cpp LINK_LIBRARIES dolphinprivate Qt6::Test)
 
 find_gem(test-unit)
 set_package_properties(Gem:test-unit PROPERTIES