diff --git a/Modules/Qt4Macros.cmake b/Modules/Qt4Macros.cmake
index 5e13b59a26..a6f2e9ccdd 100644
--- a/Modules/Qt4Macros.cmake
+++ b/Modules/Qt4Macros.cmake
@@ -125,7 +125,6 @@ macro (QT4_CREATE_MOC_COMMAND infile outfile moc_flags moc_options moc_target)
     file (GENERATE
       OUTPUT ${_moc_parameters_file}
       CONTENT "${targetdefines}${targetincludes}${targetoptions}${_moc_parameters}\n"
-      CONDITION 1
     )
 
     set(targetincludes)