diff --git a/src/MANYBODY/fix_qeq_comb.cpp b/src/MANYBODY/fix_qeq_comb.cpp
index 6f724a18f6..57d7cf16be 100644
--- a/src/MANYBODY/fix_qeq_comb.cpp
+++ b/src/MANYBODY/fix_qeq_comb.cpp
@@ -208,8 +208,6 @@ void FixQEQComb::post_force(int vflag)
 
   double *q = atom->q;
   int *mask = atom->mask;
-  int *tag = atom->tag;
-  int nlocal = atom->nlocal;
 
   inum = comb->list->inum;
   ilist = comb->list->ilist;
diff --git a/src/SHOCK/fix_append_atoms.cpp b/src/SHOCK/fix_append_atoms.cpp
index 6ece30bb2c..79a91ef85c 100644
--- a/src/SHOCK/fix_append_atoms.cpp
+++ b/src/SHOCK/fix_append_atoms.cpp
@@ -315,7 +315,8 @@ int FixAppendAtoms::get_spatial()
 
     if (domain->boxhi[2] - shockfront_loc < spatlead) advance = 1;
 
-    delete [] pos,val;
+    delete [] pos;
+    delete [] val;
   }
 
   advance_sum = 0;
diff --git a/src/USER-REAXC/fix_reaxc_bonds.cpp b/src/USER-REAXC/fix_reaxc_bonds.cpp
index 92a542e1f2..f20c770312 100644
--- a/src/USER-REAXC/fix_reaxc_bonds.cpp
+++ b/src/USER-REAXC/fix_reaxc_bonds.cpp
@@ -119,8 +119,6 @@ void FixReaxCBonds::init()
 
 void FixReaxCBonds::end_of_step()
 {
-  bigint ntimestep = update->ntimestep;
-
   Output_ReaxC_Bonds(update->ntimestep,fp);
   if (me == 0) fflush(fp);
 }
@@ -130,8 +128,8 @@ void FixReaxCBonds::end_of_step()
 void FixReaxCBonds::Output_ReaxC_Bonds(bigint ntimestep, FILE *fp)
 
 {
-  int i, j, k, itype, jtype, iatom, itag, jtag;
-  int b, nbuf, nbuf_local, inode;
+  int i, j;
+  int nbuf, nbuf_local;
   int nlocal_max, numbonds, numbonds_max;
   double *buf;
 
@@ -178,7 +176,7 @@ void FixReaxCBonds::Output_ReaxC_Bonds(bigint ntimestep, FILE *fp)
 void FixReaxCBonds::FindBond(struct _reax_list *lists, int &numbonds)
 {
   int *ilist, i, ii, inum;
-  int j, pj, nj, jtag, jtype;
+  int j, pj, nj, jtag;
   double bo_tmp,bo_cut;
 
   inum = reaxc->list->inum;
@@ -211,7 +209,7 @@ void FixReaxCBonds::FindBond(struct _reax_list *lists, int &numbonds)
 
 void FixReaxCBonds::PassBuffer(double *buf, int &nbuf_local)
 {
-  int i, j, k, jtag, numbonds;
+  int i, j, k, numbonds;
   int nlocal = atom->nlocal;
 
   j = 2;
@@ -247,8 +245,8 @@ void FixReaxCBonds::PassBuffer(double *buf, int &nbuf_local)
 void FixReaxCBonds::RecvBuffer(double *buf, int nbuf, int nbuf_local, 
 		int natoms, int maxnum)
 {
-  int i, j, k, l, itype, jtype, itag, jtag;
-  int inode, nlocal_tmp, numbonds, molid;
+  int i, j, k, itype, itag, jtag;
+  int inode, nlocal_tmp, numbonds;
   int nlocal = atom->nlocal;
   bigint ntimestep = update->ntimestep;
   double sbotmp, nlptmp, avqtmp, abotmp;
diff --git a/src/USER-REAXC/reaxc_torsion_angles.cpp b/src/USER-REAXC/reaxc_torsion_angles.cpp
index 1cbcc5892a..952a7cca95 100644
--- a/src/USER-REAXC/reaxc_torsion_angles.cpp
+++ b/src/USER-REAXC/reaxc_torsion_angles.cpp
@@ -160,7 +160,7 @@ void Torsion_Angles( reax_system *system, control_params *control,
 {
   int i, j, k, l, pi, pj, pk, pl, pij, plk, natoms;
   int type_i, type_j, type_k, type_l;
-  int start_j, end_j, start_k, end_k;
+  int start_j, end_j;
   int start_pj, end_pj, start_pk, end_pk;
   int num_frb_intrs = 0;
 
@@ -203,7 +203,7 @@ void Torsion_Angles( reax_system *system, control_params *control,
 
   // Virial tallying variables
   real delil[3], deljl[3], delkl[3];
-  real eng_tmp, f_scaler, fi_tmp[3], fj_tmp[3], fk_tmp[3];
+  real eng_tmp, fi_tmp[3], fj_tmp[3], fk_tmp[3];
 
   // sprintf( fname, "tor%d.out", system->my_rank );
   // ftor = fopen( fname, "w" );
diff --git a/src/pair.cpp b/src/pair.cpp
index cc8e0f2551..dd00897292 100644
--- a/src/pair.cpp
+++ b/src/pair.cpp
@@ -494,7 +494,7 @@ void Pair::init_tables(double cut_coul, double *cut_respa)
 void Pair::init_tables_disp(double cut_lj_global)
 {
   int masklo,maskhi;
-  double r, rsq, r2inv, force_coul, force_lj;
+  double rsq;
   double g_ewald_6 = force->kspace->g_ewald_6;
   double g2 = g_ewald_6*g_ewald_6, g6 = g2*g2*g2, g8 = g6*g2;
   
@@ -567,7 +567,7 @@ void Pair::init_tables_disp(double cut_lj_global)
   // deltas at itablemax only needed if corresponding rsq < cut*cut
   // if so, compute deltas between rsq and cut*cut
   
-  double f_tmp,c_tmp,e_tmp,p_tmp = 0.0,v_tmp = 0.0;
+  double f_tmp,e_tmp;
   double cut_lj_globalsq;
   itablemin = minrsq_lookup.i & ndispmask;
   itablemin >>= ndispshiftbits;