Index: code/game/bg_pmove.c
===================================================================
--- code/game/bg_pmove.c	(revision 1014)
+++ code/game/bg_pmove.c	(working copy)
@@ -698,7 +698,6 @@
 	float		scale;
 	usercmd_t	cmd;
 	float		accelerate;
-	float		vel;
 
 	if ( pm->waterlevel > 2 && DotProduct( pml.forward, pml.groundTrace.plane.normal ) > 0 ) {
 		// begin swimming
@@ -787,16 +786,8 @@
 //		pm->ps->velocity[2] = 0;
 	}
 
-	vel = VectorLength(pm->ps->velocity);
+	PM_ClipVelocity( pm->ps->velocity, pml.groundTrace.plane.normal, pm->ps->velocity, OVERCLIP );
 
-	// slide along the ground plane
-	PM_ClipVelocity (pm->ps->velocity, pml.groundTrace.plane.normal, 
-		pm->ps->velocity, OVERCLIP );
-
-	// don't decrease velocity when going up or down a slope
-	VectorNormalize(pm->ps->velocity);
-	VectorScale(pm->ps->velocity, vel, pm->ps->velocity);
-
 	// don't do anything if standing still
 	if (!pm->ps->velocity[0] && !pm->ps->velocity[1]) {
 		return;