diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55d8d7c6aa1..72c0ffbc0c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ qtc_link_with_qt()
 
 option(WITH_TESTS "Build Tests" OFF)
 add_feature_info("Build tests" ${WITH_TESTS} "")
-option(WITH_DEBUG_CMAKE "Enabled CMake project debugging functionality (e.g. source file disk checking)" OFF)
+option(WITH_DEBUG_CMAKE "Enabled CMake project debugging functionality" OFF)
 option(SHOW_BUILD_DATE "Show build date in about dialog" OFF)
 option(WITH_SANITIZE "Build with sanitizer enabled" OFF)
 set(SANITIZE_FLAGS "" CACHE STRING "Sets flags for sanitizer compilation flags used in Debug builds")
diff --git a/cmake/QtCreatorAPI.cmake b/cmake/QtCreatorAPI.cmake
index 0069ae8010d..d800f424355 100644
--- a/cmake/QtCreatorAPI.cmake
+++ b/cmake/QtCreatorAPI.cmake
@@ -169,8 +169,6 @@ function(add_qtc_library name)
     set(_arg_SOURCES ${prefixed_sources})
   endif()
 
-  compare_sources_with_existing_disk_files(${name} "${_arg_SOURCES}")
-
   set(library_type SHARED)
   if (_arg_STATIC)
     set(library_type STATIC)
@@ -316,7 +314,7 @@ endfunction(add_qtc_library)
 
 function(add_qtc_plugin target_name)
   cmake_parse_arguments(_arg
-    "SKIP_DEBUG_CMAKE_FILE_CHECK;SKIP_INSTALL;INTERNAL_ONLY;SKIP_TRANSLATION;EXPORT;SKIP_PCH"
+    "SKIP_INSTALL;INTERNAL_ONLY;SKIP_TRANSLATION;EXPORT;SKIP_PCH"
     "VERSION;COMPAT_VERSION;PLUGIN_JSON_IN;PLUGIN_PATH;PLUGIN_NAME;OUTPUT_NAME;BUILD_DEFAULT"
     "CONDITION;DEPENDS;PUBLIC_DEPENDS;DEFINES;PUBLIC_DEFINES;INCLUDES;PUBLIC_INCLUDES;SOURCES;EXPLICIT_MOC;SKIP_AUTOMOC;EXTRA_TRANSLATIONS;PLUGIN_DEPENDS;PLUGIN_RECOMMENDS;PLUGIN_TEST_DEPENDS;PROPERTIES"
     ${ARGN}
@@ -374,10 +372,6 @@ function(add_qtc_plugin target_name)
     set(_arg_COMPAT_VERSION ${_arg_VERSION})
   endif()
 
-  if (NOT _arg_SKIP_DEBUG_CMAKE_FILE_CHECK)
-    compare_sources_with_existing_disk_files(${target_name} "${_arg_SOURCES}")
-  endif()
-
   # Generate dependency list:
   find_dependent_plugins(_DEP_PLUGINS ${_arg_PLUGIN_DEPENDS})
 
diff --git a/cmake/QtCreatorAPIInternal.cmake b/cmake/QtCreatorAPIInternal.cmake
index e0bffda1762..7c16d1dd2eb 100644
--- a/cmake/QtCreatorAPIInternal.cmake
+++ b/cmake/QtCreatorAPIInternal.cmake
@@ -183,31 +183,6 @@ function(update_cached_list name value)
   set("${name}" "${_tmp_list}" CACHE INTERNAL "*** Internal ***")
 endfunction()
 
-function(compare_sources_with_existing_disk_files target_name sources)
-  if(NOT WITH_DEBUG_CMAKE)
-    return()
-  endif()
-
-  file(GLOB_RECURSE existing_files RELATIVE ${CMAKE_CURRENT_LIST_DIR} "*.cpp" "*.hpp" "*.c" "*.h" "*.ui" "*.qrc")
-  foreach(file IN LISTS existing_files)
-    if(NOT ${file} IN_LIST sources)
-      if (NOT WITH_TESTS AND ${file} MATCHES "test")
-        continue()
-      endif()
-      message(STATUS "${target_name} doesn't include ${file}")
-    endif()
-  endforeach()
-
-  foreach(source IN LISTS "${sources}")
-    if(NOT ${source} IN_LIST existing_files)
-      if (NOT WITH_TESTS AND ${file} MATCHES "test")
-        continue()
-      endif()
-      message(STATUS "${target_name} contains non existing ${source}")
-    endif()
-  endforeach()
-endfunction(compare_sources_with_existing_disk_files)
-
 function(separate_object_libraries libraries REGULAR_LIBS OBJECT_LIBS OBJECT_LIB_OBJECTS)
   if (CMAKE_VERSION VERSION_LESS 3.14)
     foreach(lib IN LISTS libraries)
diff --git a/src/plugins/qmldesigner/CMakeLists.txt b/src/plugins/qmldesigner/CMakeLists.txt
index 7bc91483f9e..7e0f22e8420 100644
--- a/src/plugins/qmldesigner/CMakeLists.txt
+++ b/src/plugins/qmldesigner/CMakeLists.txt
@@ -45,7 +45,6 @@ add_qtc_plugin(QmlDesigner
   EXPLICIT_MOC
     components/propertyeditor/propertyeditorvalue.h
     components/connectioneditor/connectionviewwidget.h
-  SKIP_DEBUG_CMAKE_FILE_CHECK
   EXTRA_TRANSLATIONS
     "${PROJECT_SOURCE_DIR}/share/qtcreator/qmldesigner"
   PROPERTIES
@@ -74,7 +73,6 @@ add_qtc_plugin(assetexporterplugin
     assetexporterplugin/dumpers/textnodedumper.h assetexporterplugin/dumpers/textnodedumper.cpp
     assetexporterplugin/assetexporterplugin.qrc
   PLUGIN_PATH ${QmlDesignerPluginInstallPrefix}
-  SKIP_DEBUG_CMAKE_FILE_CHECK
 )
 
 add_qtc_plugin(componentsplugin
@@ -90,7 +88,6 @@ add_qtc_plugin(componentsplugin
     componentsplugin/entertabdesigneraction.cpp componentsplugin/entertabdesigneraction.h
     componentsplugin/tabviewindexmodel.cpp componentsplugin/tabviewindexmodel.h
   PLUGIN_PATH ${QmlDesignerPluginInstallPrefix}
-  SKIP_DEBUG_CMAKE_FILE_CHECK
 )
 
 add_qtc_plugin(qmlpreviewplugin
@@ -101,7 +98,6 @@ add_qtc_plugin(qmlpreviewplugin
     qmlpreviewplugin/qmlpreviewplugin.cpp qmlpreviewplugin/qmlpreviewplugin.h
     qmlpreviewplugin/qmlpreviewplugin.qrc
   PLUGIN_PATH ${QmlDesignerPluginInstallPrefix}
-  SKIP_DEBUG_CMAKE_FILE_CHECK
 )
 
 add_qtc_plugin(qtquickplugin
@@ -112,7 +108,6 @@ add_qtc_plugin(qtquickplugin
     qtquickplugin/qtquickplugin.cpp qtquickplugin/qtquickplugin.h
     qtquickplugin/qtquickplugin.qrc
   PLUGIN_PATH ${QmlDesignerPluginInstallPrefix}
-  SKIP_DEBUG_CMAKE_FILE_CHECK
 )
 
 extend_qtc_plugin(QmlDesigner
@@ -548,13 +543,3 @@ extend_qtc_plugin(QmlDesigner
     connectsignaldialog.cpp connectsignaldialog.h
     shortcutwidget.cpp shortcutwidget.h
 )
-
-# Do the file comparison at the end, due to all the extend_qtc_plugin calls
-if (WITH_DEBUG_CMAKE)
-  foreach(plugin QmlDesigner componentsplugin qtquickplugin)
-    unset(plugin_sources)
-    get_target_property(plugin_sources ${plugin} SOURCES)
-    list(APPEND QmlDesignerSources ${plugin_sources})
-  endforeach()
-  compare_sources_with_existing_disk_files(QmlDesigner "${QmlDesignerSources}")
-endif()