diff --git a/linphone-desktop/CMakeLists.txt b/linphone-desktop/CMakeLists.txt
index ba1a1335e..fd3e13e85 100644
--- a/linphone-desktop/CMakeLists.txt
+++ b/linphone-desktop/CMakeLists.txt
@@ -56,7 +56,7 @@ if(NOT WIN32)
   endif()
 endif()
 set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} ${CUSTOM_FLAGS}")
-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DQT_QML_DEBUG -DQT_DECLARATIVE_DEBUG")
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
 
 # ------------------------------------------------------------------------------
 # Define packages, libs, sources, headers, resources and languages.