diff --git a/sources/PropertiesEditor/PropertiesEditor.pri b/sources/PropertiesEditor/PropertiesEditor.pri
deleted file mode 100644
index cb4088536..000000000
--- a/sources/PropertiesEditor/PropertiesEditor.pri
+++ /dev/null
@@ -1,11 +0,0 @@
-FORMS += \
-    $$PWD/propertieseditordockwidget.ui
-
-HEADERS += \
-    $$PWD/propertieseditordockwidget.h \
-    $$PWD/propertieseditorwidget.h \
-    $$PWD/propertieseditordialog.h
-
-SOURCES += \
-    $$PWD/propertieseditordockwidget.cpp \
-    $$PWD/propertieseditorwidget.cpp
diff --git a/sources/QPropertyUndoCommand/QPropertyUndoCommand.pri b/sources/QPropertyUndoCommand/QPropertyUndoCommand.pri
deleted file mode 100644
index 6f91dd24e..000000000
--- a/sources/QPropertyUndoCommand/QPropertyUndoCommand.pri
+++ /dev/null
@@ -1,5 +0,0 @@
-HEADERS += \
-    $$PWD/qpropertyundocommand.h
-
-SOURCES += \
-    $$PWD/qpropertyundocommand.cpp
diff --git a/sources/QWidgetAnimation/QWidgetAnimation.pri b/sources/QWidgetAnimation/QWidgetAnimation.pri
deleted file mode 100644
index 7072f1b6f..000000000
--- a/sources/QWidgetAnimation/QWidgetAnimation.pri
+++ /dev/null
@@ -1,5 +0,0 @@
-HEADERS += \
-    $$PWD/qwidgetanimation.h
-
-SOURCES += \
-    $$PWD/qwidgetanimation.cpp
diff --git a/sources/QetGraphicsItemModeler/QetGraphicsItemModeler.pri b/sources/QetGraphicsItemModeler/QetGraphicsItemModeler.pri
deleted file mode 100644
index 3e783a8be..000000000
--- a/sources/QetGraphicsItemModeler/QetGraphicsItemModeler.pri
+++ /dev/null
@@ -1,7 +0,0 @@
-HEADERS += \
-    $$PWD/qetgraphicshandlerutility.h \
-    $$PWD/qetgraphicshandleritem.h
-
-SOURCES += \
-    $$PWD/qetgraphicshandlerutility.cpp \
-    $$PWD/qetgraphicshandleritem.cpp