diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2c0be0b..ea71e968 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -122,7 +122,6 @@ list(APPEND APP_OPTIONS "-DENABLE_RELATIVE_PREFIX=${ENABLE_RELATIVE_PREFIX}")
 
 list(APPEND APP_OPTIONS "-DLINPHONE_OUTPUT_DIR=${LINPHONE_OUTPUT_DIR}")
 
-include(ExternalProject)
 set(PROJECT_BUILD_COMMAND "")
 if(CMAKE_BUILD_PARALLEL_LEVEL)
 	list(APPEND APP_OPTIONS "-DCMAKE_BUILD_PARALLEL_LEVEL=${CMAKE_BUILD_PARALLEL_LEVEL}")
@@ -140,29 +139,8 @@ if(UNIX AND NOT APPLE)
 	set(CMAKE_INSTALL_RPATH "$ORIGIN:$ORIGIN/lib64:$ORIGIN/../lib64:$ORIGIN/lib:$ORIGIN/../lib:${LINPHONE_OUTPUT_DIR}/${CMAKE_INSTALL_LIBDIR}")
 	list(APPEND APP_OPTIONS "-DCMAKE_INSTALL_RPATH=${CMAKE_INSTALL_RPATH}")
 endif()
-ExternalProject_Add(sdk PREFIX "${CMAKE_BINARY_DIR}/sdk"
-    SOURCE_DIR "${CMAKE_SOURCE_DIR}/linphone-sdk"
-    INSTALL_DIR "${LINPHONE_OUTPUT_DIR}"
-    STAMP_DIR "${SDK_BUILD_DIR}/stamp"
-    BINARY_DIR "${SDK_BUILD_DIR}"
-    STEP_TARGETS build
-    BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
-    INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step is already done at build time."
-    LIST_SEPARATOR | # Use the alternate list separator
-    CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH}
-    #BUILD_ALWAYS NO #${DO_BUILD}
-)
-ExternalProject_Add_Step(sdk force_build
-	COMMENT "Forcing build for 'desktop'"
-	DEPENDEES configure
-	DEPENDERS build
-	ALWAYS 1
-)
 include(FindPkgConfig)
 
-set(APP_DEPENDS sdk)
-
-
 find_package(Qt5 5.9 COMPONENTS Core REQUIRED)
 
 if ( NOT Qt5_FOUND )
@@ -177,39 +155,6 @@ find_package(Mediastreamer2 CONFIG QUIET)
 find_package(ortp CONFIG QUIET)
 
 
-if(NOT (LinphoneCxx_FOUND) OR NOT (Linphone_FOUND) OR NOT (bctoolbox_FOUND) OR NOT (belcard_FOUND) OR NOT (Mediastreamer2_FOUND) OR NOT (ortp_FOUND) OR FORCE_APP_EXTERNAL_PROJECTS)
-	message("Projects are set as External projects. You can start building them by using for example : cmake --build . --target install")
-	ExternalProject_Add(linphone-qt PREFIX "${CMAKE_BINARY_DIR}/linphone-app"
-		SOURCE_DIR "${CMAKE_SOURCE_DIR}/linphone-app"
-		INSTALL_DIR "${APPLICATION_OUTPUT_DIR}"
-		BINARY_DIR "${CMAKE_BINARY_DIR}/linphone-app"
-		DEPENDS ${APP_DEPENDS}
-		BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
-		INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step will not be done by external project"
-		LIST_SEPARATOR | # Use the alternate list separator
-		CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH}
-	# ${APP_OPTIONS}
-		BUILD_ALWAYS ON
-	)
-	install(CODE "message(STATUS Running install)")
-	set(AUTO_REGENERATION auto_regeneration)
-	add_custom_target(${AUTO_REGENERATION} ALL
-		COMMAND ${CMAKE_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}
-		DEPENDS linphone-qt)
-else()
-	message("Adding Linphone Desktop in an IDE-friendly state")
-	set(CMAKE_INSTALL_PREFIX "${APPLICATION_OUTPUT_DIR}")
-	add_subdirectory(${CMAKE_SOURCE_DIR}/linphone-app)
-	add_dependencies(app-library ${APP_DEPENDS})
-endif()
-ExternalProject_Add(linphone-qt-only PREFIX "${CMAKE_BINARY_DIR}/linphone-app"
-    SOURCE_DIR "${CMAKE_SOURCE_DIR}/linphone-app"
-    INSTALL_DIR "${APPLICATION_OUTPUT_DIR}"
-    BINARY_DIR "${CMAKE_BINARY_DIR}/linphone-app"
-    BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
-#    INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step is already done at build time."
-    LIST_SEPARATOR | # Use the alternate list separator
-    CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH}
-    EXCLUDE_FROM_ALL ON
-    BUILD_ALWAYS ON
-)
+message("Adding Linphone Desktop in an IDE-friendly state")
+set(CMAKE_INSTALL_PREFIX "${APPLICATION_OUTPUT_DIR}")
+add_subdirectory(${CMAKE_SOURCE_DIR}/linphone-app)
diff --git a/linphone-app/cmake_builder/additional_steps.cmake b/linphone-app/cmake_builder/additional_steps.cmake
index 7f7fd573..a69a04e8 100644
--- a/linphone-app/cmake_builder/additional_steps.cmake
+++ b/linphone-app/cmake_builder/additional_steps.cmake
@@ -54,14 +54,5 @@ if (ENABLE_PACKAGING)
     linphone_builder_apply_flags()
     linphone_builder_set_ep_directories(linphone_package)
     linphone_builder_expand_external_project_vars()
-    ExternalProject_Add(TARGET_linphone_package
-      DEPENDS TARGET_linphone_builder
-      TMP_DIR ${ep_tmp}
-      BINARY_DIR ${ep_build}
-      SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/linphone_package"
-      DOWNLOAD_COMMAND ""
-      CMAKE_GENERATOR ${CMAKE_GENERATOR}
-      CMAKE_ARGS ${LINPHONE_BUILDER_EP_ARGS} -DCMAKE_INSTALL_PREFIX=${LINPHONE_BUILDER_WORK_DIR}/PACKAGE -DTOOLS_DIR=${CMAKE_BINARY_DIR}/programs -DLINPHONE_OUTPUT_DIR=${CMAKE_INSTALL_PREFIX} -DLINPHONE_DESKTOP_DIR=${CMAKE_CURRENT_LIST_DIR}/.. -DLINPHONE_SOURCE_DIR=${EP_linphone_SOURCE_DIR} ${ENABLE_VARIABLES} -DLINPHONE_BUILDER_SIGNING_IDENTITY=${LINPHONE_BUILDER_SIGNING_IDENTITY}
-    )
   endif ()
 endif ()