diff --git a/src/USER-MANIFOLD/manifold_spine.cpp b/src/USER-MANIFOLD/manifold_spine.cpp
index 730c048a07..1081ab673e 100644
--- a/src/USER-MANIFOLD/manifold_spine.cpp
+++ b/src/USER-MANIFOLD/manifold_spine.cpp
@@ -41,7 +41,7 @@ double manifold_spine::g_and_n( const double *x, double *nn )
   double c  = params[4];
 
   double cc, BB, z2, xy2;
-  double az2, c2, cs, As, Ac, AsM, Bz2, azc, Apart;
+  double c2, As, Ac, azc, Apart;
   double AMs, AMc;
   double dazc, dAMs;
 
@@ -89,8 +89,8 @@ void manifold_spine::n( const double *x, double *nn )
   double B2 = params[3];
   double c  = params[4];
 
-  double cc, BB, z2, xy2;
-  double az2, c2, cs, As, Ac, AsM, Bz2, azc, Apart;
+  double cc, BB, z2;
+  double c2, As, Ac, azc, Apart;
   double AMs, AMc;
   double dazc, dAMs;
 
@@ -102,7 +102,6 @@ void manifold_spine::n( const double *x, double *nn )
     cc = 1.0;
   }
 
-  xy2 = x[0]*x[0] + x[1]*x[1];
   z2  = x[2]*x[2];
   c2  = 1.0/( cc*cc );
 
@@ -136,9 +135,8 @@ double manifold_spine::g( const double *x )
   double c  = params[4];
 
   double cc, BB, z2, xy2;
-  double az2, c2, cs, As, Ac, AsM, Bz2, azc, Apart;
-  double AMs, AMc;
-  double dazc, dAMs;
+  double c2, As, azc, Apart;
+  double AMs;
 
   if( x[2] > 0 ){
     BB = B;
diff --git a/src/VORONOI/compute_voronoi_atom.cpp b/src/VORONOI/compute_voronoi_atom.cpp
index d367e91a96..ffdf5b7fad 100644
--- a/src/VORONOI/compute_voronoi_atom.cpp
+++ b/src/VORONOI/compute_voronoi_atom.cpp
@@ -250,7 +250,7 @@ void ComputeVoronoi::buildCells()
   double *sublo = domain->sublo, *sublo_lamda = domain->sublo_lamda, *boxlo = domain->boxlo;
   double *subhi = domain->subhi, *subhi_lamda = domain->subhi_lamda;
   double *cut = comm->cutghost;
-  double sublo_bound[3], subhi_bound[3], cut_bound[3];
+  double sublo_bound[3], subhi_bound[3];
   double **x = atom->x;
 
   // setup bounds for voro++ domain for orthogonal and triclinic simulation boxes