diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9be5a56c..fb66b0c7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,7 +180,6 @@ if( NOT WITH_DEPRECATION )
   set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated" )
 endif( )
 
-set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include tqt.h" )
 set( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined" )
 set( CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined" )