diff --git a/src/p_local.h b/src/p_local.h
index 8eaf6b2b8..1ff20a9ac 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -167,7 +167,6 @@ extern fixed_t t_cam_dist[MAXSPLITSCREENPLAYERS], t_cam_height[MAXSPLITSCREENPLA
 void P_AddPlayerScore(player_t *player, UINT32 amount);
 void P_ResetCamera(player_t *player, camera_t *thiscam);
 boolean P_TryCameraMove(fixed_t x, fixed_t y, camera_t *thiscam);
-void P_SlideCameraMove(camera_t *thiscam);
 void P_DemoCameraMovement(camera_t *cam, UINT8 num);
 void P_ToggleDemoCamera(UINT8 viewnum);
 boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcalled);
diff --git a/src/p_map.c b/src/p_map.c
index e0f7cb9eb..99a91225f 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -3382,105 +3382,6 @@ static boolean PTR_SlideTraverse(intercept_t *in)
 }
 */
 
-//
-// P_SlideCameraMove
-//
-// Tries to slide the camera along a wall.
-//
-void P_SlideCameraMove(camera_t *thiscam)
-{
-	fixed_t leadx, leady, trailx, traily, newx, newy;
-	INT32 hitcount = 0;
-	INT32 retval = 0;
-
-	bestslideline = NULL;
-
-retry:
-	if (++hitcount == 3)
-		goto stairstep; // don't loop forever
-
-	// trace along the three leading corners
-	if (thiscam->momx > 0)
-	{
-		leadx = thiscam->x + thiscam->radius;
-		trailx = thiscam->x - thiscam->radius;
-	}
-	else
-	{
-		leadx = thiscam->x - thiscam->radius;
-		trailx = thiscam->x + thiscam->radius;
-	}
-
-	if (thiscam->momy > 0)
-	{
-		leady = thiscam->y + thiscam->radius;
-		traily = thiscam->y - thiscam->radius;
-	}
-	else
-	{
-		leady = thiscam->y - thiscam->radius;
-		traily = thiscam->y + thiscam->radius;
-	}
-
-	bestslidefrac = FRACUNIT+1;
-
-	mapcampointer = thiscam;
-
-	P_PathTraverse(leadx, leady, leadx + thiscam->momx, leady + thiscam->momy,
-		PT_ADDLINES, PTR_SlideCameraTraverse);
-	P_PathTraverse(trailx, leady, trailx + thiscam->momx, leady + thiscam->momy,
-		PT_ADDLINES, PTR_SlideCameraTraverse);
-	P_PathTraverse(leadx, traily, leadx + thiscam->momx, traily + thiscam->momy,
-		PT_ADDLINES, PTR_SlideCameraTraverse);
-
-	// move up to the wall
-	if (bestslidefrac == FRACUNIT+1)
-	{
-		retval = P_TryCameraMove(thiscam->x, thiscam->y + thiscam->momy, thiscam);
-		// the move must have hit the middle, so stairstep
-stairstep:
-		if (!retval) // Allow things to drop off.
-			P_TryCameraMove(thiscam->x + thiscam->momx, thiscam->y, thiscam);
-		return;
-	}
-
-	// fudge a bit to make sure it doesn't hit
-	bestslidefrac -= 0x800;
-	if (bestslidefrac > 0)
-	{
-		newx = FixedMul(thiscam->momx, bestslidefrac);
-		newy = FixedMul(thiscam->momy, bestslidefrac);
-
-		retval = P_TryCameraMove(thiscam->x + newx, thiscam->y + newy, thiscam);
-
-		if (!retval)
-			goto stairstep;
-	}
-
-	// Now continue along the wall.
-	// First calculate remainder.
-	bestslidefrac = FRACUNIT - (bestslidefrac+0x800);
-
-	if (bestslidefrac > FRACUNIT)
-		bestslidefrac = FRACUNIT;
-
-	if (bestslidefrac <= 0)
-		return;
-
-	tmxmove = FixedMul(thiscam->momx, bestslidefrac);
-	tmymove = FixedMul(thiscam->momy, bestslidefrac);
-
-	P_HitCameraSlideLine(bestslideline, thiscam); // clip the moves
-
-	thiscam->momx = tmxmove;
-	thiscam->momy = tmymove;
-
-	retval = P_TryCameraMove(thiscam->x + tmxmove, thiscam->y + tmymove, thiscam);
-
-	if (!retval)
-		goto retry;
-}
-
 static void P_CheckLavaWall(mobj_t *mo, sector_t *sec)
 {
 	ffloor_t *rover;
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 32cb9bc97..3cda3dcac 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -3642,8 +3642,6 @@ boolean P_CameraThinker(player_t *player, camera_t *thiscam, boolean resetcalled
 			{
 				fixed_t camspeed = P_AproxDistance(thiscam->momx, thiscam->momy);
 
-				P_SlideCameraMove(thiscam);
-
 				if (!resetcalled && P_AproxDistance(thiscam->momx, thiscam->momy) == camspeed)
 				{
 					P_ResetCamera(player, thiscam);