     unsigned int numedges,
     unsigned int* numNeighbours,
     float* tra, float* swg, float* speed,
-    float* forceX, float* forceY, float* oldForceX, float* oldForceY,
+    float* oldForceX, float* oldForceY,
     float* dispX, float* dispY,
     float* graphSwing,
     float* graphTract,

        tra,
        swg,
        speed,
        forceX,
        forceY,
        oldForceX,
        oldForceY,
        dispX,

  {
    vxLocs[gid] += xdisp[gid];
    vyLocs[gid] += ydisp[gid];
  }
}

