diff --git a/src/collision/Resolver.js b/src/collision/Resolver.js
index 7ea51ad..c643ebf 100644
--- a/src/collision/Resolver.js
+++ b/src/collision/Resolver.js
@@ -230,9 +230,9 @@ var Bounds = require('../geometry/Bounds');
             timeScaleSquared = timeScale * timeScale,
             timeScaleCubed = timeScaleSquared * timeScale,
             restingThresh = -Resolver._restingThresh * timeScale,
-            restingThreshTangent = Resolver._restingThreshTangent * timeScale,
+            restingThreshTangent = Resolver._restingThreshTangent,
             frictionNormalMultiplier = Resolver._frictionNormalMultiplier * timeScale,
-            frictionMaxStatic = Resolver._frictionMaxStatic * timeScale,
+            frictionMaxStatic = Resolver._frictionMaxStatic,
             pairsLength = pairs.length,
             tangentImpulse,
             maxFriction,
diff --git a/src/constraint/Constraint.js b/src/constraint/Constraint.js
index eda3ee4..e6e6948 100644
--- a/src/constraint/Constraint.js
+++ b/src/constraint/Constraint.js
@@ -188,7 +188,7 @@ var Common = require('../core/Common');
             isRigid = constraint.stiffness >= 1 || constraint.length === 0,
             stiffness = isRigid ? constraint.stiffness * timeScale 
                 : constraint.stiffness * timeScale * timeScale,
-            damping = constraint.damping * timeScale * timeScale,
+            damping = constraint.damping * timeScale,
             force = Vector.mult(delta, difference * stiffness),
             massTotal = (bodyA ? bodyA.inverseMass : 0) + (bodyB ? bodyB.inverseMass : 0),
             inertiaTotal = (bodyA ? bodyA.inverseInertia : 0) + (bodyB ? bodyB.inverseInertia : 0),