diff --git a/src/EXTRA-COMPUTE/compute_stress_cartesian.cpp b/src/EXTRA-COMPUTE/compute_stress_cartesian.cpp
index 3385002fb8..a52779ebdd 100644
--- a/src/EXTRA-COMPUTE/compute_stress_cartesian.cpp
+++ b/src/EXTRA-COMPUTE/compute_stress_cartesian.cpp
@@ -443,5 +443,5 @@ memory usage of data
 
 double ComputeStressCartesian::memory_usage()
 {
-  return (14.0 + dims + 10) * (double) (nbins1 * nbins2) * sizeof(double);
+  return (14.0 + dims + 7) * (double) (nbins1 * nbins2) * sizeof(double);
 }
diff --git a/src/EXTRA-COMPUTE/compute_stress_cartesian.h b/src/EXTRA-COMPUTE/compute_stress_cartesian.h
index 0478e08b93..1aa7f34f6e 100644
--- a/src/EXTRA-COMPUTE/compute_stress_cartesian.h
+++ b/src/EXTRA-COMPUTE/compute_stress_cartesian.h
@@ -38,7 +38,7 @@ class ComputeStressCartesian : public Compute {
   double bin_width1, bin_width2, invV;
 
   // Number density, kinetic and configurational contribution to the pressure.
-  double *v0x, *v0y, *v0z, *dens, *pkxx, *pkyy, *pkzz, *pcxx, *pcyy, *pczz;
+  double *dens, *pkxx, *pkyy, *pkzz, *pcxx, *pcyy, *pczz;
   double *tdens, *tpkxx, *tpkyy, *tpkzz, *tpcxx, *tpcyy, *tpczz;
   class NeighList *list;
   void compute_pressure(double, double, double, double, double, double, double, double);