diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index bf544dee02..4cf0b7b9aa 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -1,47 +1,47 @@
 ecm_optional_add_subdirectory(konsole)
 add_subdirectory(filemanager)
 if (Grantlee5_FOUND)
     add_subdirectory(appwizard)
 endif()
 add_subdirectory(projectmanagerview)
 add_subdirectory(genericprojectmanager)
 add_subdirectory(standardoutputview)
 add_subdirectory(documentview)
 add_subdirectory(quickopen)
 add_subdirectory(executescript)
 add_subdirectory(contextbrowser)
 ecm_optional_add_subdirectory(cvs)
 add_subdirectory(problemreporter)
 add_subdirectory(execute)
 add_subdirectory(externalscript)
 add_subdirectory(documentswitcher)
 add_subdirectory(patchreview)
 add_subdirectory(openwith)
 add_subdirectory(grepview)
-add_subdirectory(git)
-add_subdirectory(bazaar)
-add_subdirectory(perforce)
+ecm_optional_add_subdirectory(git)
+ecm_optional_add_subdirectory(bazaar)
+ecm_optional_add_subdirectory(perforce)
 add_subdirectory(vcschangesview)
 if (Grantlee5_FOUND)
     add_subdirectory(filetemplates)
     add_subdirectory(codeutils)
 endif()
 add_subdirectory(testview)
 add_subdirectory(switchtobuddy)
 add_subdirectory(projectfilter)
 if (Qt5QuickWidgets_FOUND)
     add_subdirectory(welcomepage)
 endif()
 add_subdirectory(outlineview)
 
 ecm_optional_add_subdirectory(classbrowser)
 
 find_package(SubversionLibrary)
 set_package_properties(SubversionLibrary PROPERTIES
     PURPOSE "Support for Subversion integration"
     URL "http://subversion.tigris.org"
     TYPE OPTIONAL)
 
 if(SubversionLibrary_FOUND)
     ecm_optional_add_subdirectory(subversion)
 endif()