diff --git a/Demos/GenericJointDemo/Ragdoll.h b/Demos/GenericJointDemo/Ragdoll.h
index ccbe2a5bc..5fe6e185e 100644
--- a/Demos/GenericJointDemo/Ragdoll.h
+++ b/Demos/GenericJointDemo/Ragdoll.h
@@ -6,9 +6,6 @@
 #include "btBulletDynamicsCommon.h"
 
 
-#define M_PI       3.14159265358979323846
-#define M_PI_2     1.57079632679489661923
-#define M_PI_4     0.785398163397448309616
 
 
 class RagDoll
diff --git a/Demos/Jamfile b/Demos/Jamfile
index afa326717..44ba82076 100644
--- a/Demos/Jamfile
+++ b/Demos/Jamfile
@@ -47,7 +47,7 @@ SubInclude TOP Demos MovingConcaveDemo ;
 SubInclude TOP Demos ConcaveDemo ;
 SubInclude TOP Demos ConstraintDemo ;
 SubInclude TOP Demos RagdollDemo ;
-#SubInclude TOP Demos GenericJointDemo ;
+SubInclude TOP Demos GenericJointDemo ;
 SubInclude TOP Demos ContinuousConvexCollision ;
 SubInclude TOP Demos GjkConvexCastDemo ;
 SubInclude TOP Demos Raytracer ;