diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3117334..59a6a2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,18 +60,6 @@ if(WIN32)
     set(CMAKE_REQUIRED_INCLUDES  ${KDEWIN32_INCLUDES})
 endif(WIN32)
 
-add_definitions(
-    -DQT_DEPRECATED_WARNINGS
-    -DQT_USE_QSTRINGBUILDER
-    -DQT_NO_CAST_TO_ASCII
-    -DQT_NO_CAST_FROM_ASCII
-    -DQT_NO_CAST_FROM_BYTEARRAY
-    -DQT_STRICT_ITERATORS
-    -DQT_NO_URL_CAST_FROM_STRING
-    -DQT_NO_SIGNALS_SLOTS_KEYWORDS
-    -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT
-)
-
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050f02)
 add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x055A00)