diff --git a/Demos/ConstraintDemo/ConstraintDemo.cpp b/Demos/ConstraintDemo/ConstraintDemo.cpp
index 454161d7e..7dbab285f 100644
--- a/Demos/ConstraintDemo/ConstraintDemo.cpp
+++ b/Demos/ConstraintDemo/ConstraintDemo.cpp
@@ -107,7 +107,7 @@ void	ConstraintDemo::initPhysics()
 			(body1->getCenterOfMassTransform().getBasis().inverse()*(body1->getCenterOfMassTransform().getBasis() * axisInA)) : 
 		body0->getCenterOfMassTransform().getBasis() * axisInA;
 
-		btTypedConstraint* p2p = new btPoint2PointConstraint(*body0,*body1,pivotInA,pivotInB);
+		//btTypedConstraint* p2p = new btPoint2PointConstraint(*body0,*body1,pivotInA,pivotInB);
 		btTypedConstraint* hinge = new btHingeConstraint(*body0,*body1,pivotInA,pivotInB,axisInA,axisInB);
 
 		m_dynamicsWorld->addConstraint(hinge);//p2p);
diff --git a/Demos/MovingConcaveDemo/ConcavePhysicsDemo.cpp b/Demos/MovingConcaveDemo/ConcavePhysicsDemo.cpp
index 64e883c16..d30a59e75 100644
--- a/Demos/MovingConcaveDemo/ConcavePhysicsDemo.cpp
+++ b/Demos/MovingConcaveDemo/ConcavePhysicsDemo.cpp
@@ -1643,8 +1643,6 @@ void	ConcaveDemo::initPhysics()
 	dispatcher->registerCollisionCreateFunc(STATIC_PLANE_PROXYTYPE,GIMPACT_SHAPE_PROXYTYPE,m_gimpactCollisionCreateFunc);
 	dispatcher->registerCollisionCreateFunc(GIMPACT_SHAPE_PROXYTYPE,STATIC_PLANE_PROXYTYPE,m_gimpactCollisionCreateFunc);
 
-
-	bool isDynamic = false;
 	float mass = 0.f;
 	btTransform	startTransform;
 	startTransform.setIdentity();
@@ -1842,7 +1840,6 @@ void ConcaveDemo::shootTrimesh(const btVector3& destination)
 	
 	if (m_dynamicsWorld)
 	{
-		bool isDynamic = true;
 		float mass = 4.f;
 		btTransform startTransform;
 		startTransform.setIdentity();
diff --git a/Extras/GIMPACT/include/GIMPACT/gim_geometry.h b/Extras/GIMPACT/include/GIMPACT/gim_geometry.h
index 67b4c332a..5cf277b5c 100644
--- a/Extras/GIMPACT/include/GIMPACT/gim_geometry.h
+++ b/Extras/GIMPACT/include/GIMPACT/gim_geometry.h
@@ -1339,7 +1339,7 @@ Last column is added as the position
  */
 #define COFACTOR_4X4(a,m)					\
 {								\
-   int i,j;							\
+   unsigned int i,j;						\
 								\
    for (i=0; i<4; i++) {					\
       for (j=0; j<4; j++) {					\
@@ -1389,11 +1389,11 @@ Last column is added as the position
  */
 #define ADJOINT_4X4(a,m)					\
 {								\
-   int _i_,_j_;							\
+   unsigned int _i_,_j_;					\
 								\
    for (_i_=0; _i_<4; _i_++) {					\
-      for (_j_=0; _j_<4; _j_++) {					\
-         COFACTOR_4X4_IJ (a[_j_][_i_], m, _i_, _j_);			\
+      for (_j_=0; _j_<4; _j_++) {				\
+         COFACTOR_4X4_IJ (a[_j_][_i_], m, _i_, _j_);		\
       }								\
    }								\
 }\
@@ -1438,11 +1438,11 @@ Last column is added as the position
  */
 #define SCALE_ADJOINT_4X4(a,s,m)				\
 {								\
-   char _i_,_j_; \
+   unsigned int _i_,_j_; 					\
    for (_i_=0; _i_<4; _i_++) {					\
-      for (_j_=0; _j_<4; _j_++) {					\
-         COFACTOR_4X4_IJ (a[_j_][_i_], m, _i_, _j_);			\
-         a[_j_][_i_] *= s;						\
+      for (_j_=0; _j_<4; _j_++) {				\
+         COFACTOR_4X4_IJ (a[_j_][_i_], m, _i_, _j_);		\
+         a[_j_][_i_] *= s;					\
       }								\
    }								\
 }\