diff --git a/cmake/modules/BuildQColorWidgets.cmake b/cmake/modules/BuildQColorWidgets.cmake
--- a/cmake/modules/BuildQColorWidgets.cmake
+++ b/cmake/modules/BuildQColorWidgets.cmake
@@ -22,7 +22,6 @@ include(ExternalProject)
 ExternalProject_Add(QCW
   PREFIX qcw
   GIT_REPOSITORY https://github.com/mbasaglia/Qt-Color-Widgets
-  PATCH_COMMAND patch -t -p1 -i ${CMAKE_CURRENT_LIST_DIR}/qt_5_2_moc_creation_namespace_fix.diff
   CMAKE_CACHE_ARGS "-DCMAKE_CXX_FLAGS:string=-D QTCOLORWIDGETS_STATICALLY_LINKED"
   UPDATE_COMMAND ""
   INSTALL_COMMAND "")
diff --git a/cmake/modules/qt_5_2_moc_creation_namespace_fix.diff b/cmake/modules/qt_5_2_moc_creation_namespace_fix.diff
deleted file mode 100644
--- a/cmake/modules/qt_5_2_moc_creation_namespace_fix.diff
+++ /dev/null
@@ -1,39 +0,0 @@
-diff --git a/include/color_dialog.hpp b/include/color_dialog.hpp
-index 5c7653d..895215c 100644
---- a/include/color_dialog.hpp
-+++ b/include/color_dialog.hpp
-@@ -30,6 +30,8 @@
- 
- class QAbstractButton;
- 
-+using namespace color_widgets;
-+
- namespace color_widgets {
- 
- class QCP_EXPORT ColorDialog : public QDialog
-diff --git a/include/color_list_widget.hpp b/include/color_list_widget.hpp
-index 282bea5..7d8e0c5 100644
---- a/include/color_list_widget.hpp
-+++ b/include/color_list_widget.hpp
-@@ -25,6 +25,8 @@
- #include "abstract_widget_list.hpp"
- #include "color_wheel.hpp"
- 
-+using namespace color_widgets;
-+
- namespace color_widgets {
- 
- class QCP_EXPORT ColorListWidget : public AbstractWidgetList
-diff --git a/include/color_selector.hpp b/include/color_selector.hpp
-index db817d5..48b374d 100644
---- a/include/color_selector.hpp
-+++ b/include/color_selector.hpp
-@@ -25,6 +25,8 @@
- #include "color_preview.hpp"
- #include "color_wheel.hpp"
- 
-+using namespace color_widgets;
-+
- namespace color_widgets {
- 
- /**