diff --git a/examples/BasicDemo/CMakeLists.txt b/examples/BasicDemo/CMakeLists.txt
index 932e39330..f01a03a51 100644
--- a/examples/BasicDemo/CMakeLists.txt
+++ b/examples/BasicDemo/CMakeLists.txt
@@ -12,14 +12,12 @@ IF (WIN32)
 	ADD_EXECUTABLE(App_BasicExample
 		BasicExample.cpp
 		main.cpp
-		../CommonInterfaces/CommonRigidBodyBase.cpp
 		${BULLET_PHYSICS_SOURCE_DIR}/build3/bullet.rc
 	)
 ELSE()
 	ADD_EXECUTABLE(App_BasicExample
 		BasicExample.cpp
 		main.cpp
-		../CommonInterfaces/CommonRigidBodyBase.cpp
 	)
 ENDIF()
 
@@ -55,7 +53,6 @@ SET(AppBasicExampleGui_SRCS
         ../ExampleBrowser/OpenGLGuiHelper.cpp
         ../ExampleBrowser/GL_ShapeDrawer.cpp
         ../ExampleBrowser/CollisionShape2TriangleMesh.cpp
-		../CommonInterfaces/CommonRigidBodyBase.cpp
 		../Utils/b3Clock.cpp
 )