diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef82879259e..a3a60e5dd0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,12 +73,8 @@ find_package(Qt6
   REQUIRED
 )
 
-if (Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3)
-    option(WITH_QMLDESIGNER "Build QmlDesigner" ${ENV_QTC_WITH_QMLDESIGNER})
-else()
-    option(WITH_QMLDESIGNER "Build QmlDesigner" OFF)
-endif()
-add_feature_info("Build QmlDesigner and related code (only if Qt is 6.4.3 or newer)" ${WITH_QMLDESIGNER} "")
+option(WITH_QMLDESIGNER "Build QmlDesigner" ${ENV_QTC_WITH_QMLDESIGNER})
+add_feature_info("Build QmlDesigner and related code" ${WITH_QMLDESIGNER} "")
 
 # hack for Qbs which still supports Qt5 and Qt6
 if (TARGET Qt6::Core5CompatPrivate)
diff --git a/cmake/QtCreatorAPI.cmake b/cmake/QtCreatorAPI.cmake
index 5cbd9cd4bf4..116f84c85ea 100644
--- a/cmake/QtCreatorAPI.cmake
+++ b/cmake/QtCreatorAPI.cmake
@@ -3,7 +3,7 @@ if(QT_CREATOR_API_DEFINED)
 endif()
 set(QT_CREATOR_API_DEFINED TRUE)
 
-set(IDE_QT_VERSION_MIN "6.2.0")
+set(IDE_QT_VERSION_MIN "6.4.3")
 
 include(${CMAKE_CURRENT_LIST_DIR}/QtCreatorAPIInternal.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/QtcSeparateDebugInfo.cmake)
diff --git a/src/plugins/qmlprojectmanager/CMakeLists.txt b/src/plugins/qmlprojectmanager/CMakeLists.txt
index b94bc29400d..0dc4c697160 100644
--- a/src/plugins/qmlprojectmanager/CMakeLists.txt
+++ b/src/plugins/qmlprojectmanager/CMakeLists.txt
@@ -53,7 +53,6 @@ extend_qtc_plugin(QmlProjectManager
 )
 
 add_qtc_library(QmlProjectManagerLib OBJECT
-    CONDITION Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3
     EXCLUDE_FROM_INSTALL
     DEPENDS
         QmlJS Utils