diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5c43a14..39ab1c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,7 @@ ecm_setup_version(PROJECT VARIABLE_PREFIX KITEMMODELS
 
 add_definitions(-DQT_NO_CAST_FROM_ASCII)
 add_definitions(-DQT_NO_CAST_TO_ASCII)
-add_definitions(-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
+
 add_definitions(-DQT_NO_URL_CAST_FROM_STRING)
 add_definitions(-DQT_USE_QSTRINGBUILDER)
 add_subdirectory(src)