diff --git a/src/MISC/compute_ti.cpp b/src/MISC/compute_ti.cpp
index eca136c9359c388566ac8342552df6f61a0cb98d..9f1b2898bbe67ea3d3fc1f73bef1db7c46bd42bc 100644
--- a/src/MISC/compute_ti.cpp
+++ b/src/MISC/compute_ti.cpp
@@ -36,7 +36,8 @@ enum{PAIR,TAIL,KSPACE};
 /* ---------------------------------------------------------------------- */
 
 ComputeTI::ComputeTI(LAMMPS *lmp, int narg, char **arg) :
-  Compute(lmp, narg, arg)
+  Compute(lmp, narg, arg), nterms(0), which(NULL), ivar1(NULL), ivar2(NULL),
+  ilo(NULL), ihi(NULL), var1(NULL), var2(NULL), pptr(NULL), pstyle(NULL)
 {
   if (narg < 4) error->all(FLERR,"Illegal compute ti command");
 
diff --git a/src/MISC/dump_xtc.cpp b/src/MISC/dump_xtc.cpp
index cd68e969af0b6265639b5e1ec1fc978b039ad8ca..6a89312bcf66a262a0649d767db3173b45d1b571 100644
--- a/src/MISC/dump_xtc.cpp
+++ b/src/MISC/dump_xtc.cpp
@@ -53,7 +53,8 @@ int xdr3dfcoord(XDR *, float *, int *, float *);
 
 /* ---------------------------------------------------------------------- */
 
-DumpXTC::DumpXTC(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
+DumpXTC::DumpXTC(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg), 
+  coords(NULL)
 {
   if (narg != 5) error->all(FLERR,"Illegal dump xtc command");
   if (binary || compressed || multifile || multiproc)
diff --git a/src/MISC/fix_deposit.cpp b/src/MISC/fix_deposit.cpp
index 4076209b5a5f8294028b9fabee4ea830d571d7c9..d841482f8e99a4715ec46d22eb5e839888d6f732 100644
--- a/src/MISC/fix_deposit.cpp
+++ b/src/MISC/fix_deposit.cpp
@@ -45,7 +45,9 @@ enum{DIST_UNIFORM,DIST_GAUSSIAN};
 /* ---------------------------------------------------------------------- */
 
 FixDeposit::FixDeposit(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), idregion(NULL), idrigid(NULL),
+  idshake(NULL), onemols(NULL), molfrac(NULL), coords(NULL), imageflags(NULL),
+  fixrigid(NULL), fixshake(NULL), random(NULL)
 {
   if (narg < 7) error->all(FLERR,"Illegal fix deposit command");
 
diff --git a/src/MISC/fix_efield.cpp b/src/MISC/fix_efield.cpp
index 85af46ed3b953d530ed9c6a3c33d57a9e1cd25c5..8a6b7937b5369833574c85de39ac75f7db533ff7 100644
--- a/src/MISC/fix_efield.cpp
+++ b/src/MISC/fix_efield.cpp
@@ -41,7 +41,8 @@ enum{NONE,CONSTANT,EQUAL,ATOM};
 /* ---------------------------------------------------------------------- */
 
 FixEfield::FixEfield(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), xstr(NULL), ystr(NULL), zstr(NULL),
+  estr(NULL), idregion(NULL), efield(NULL)
 {
   if (narg < 6) error->all(FLERR,"Illegal fix efield command");
 
diff --git a/src/MISC/fix_evaporate.cpp b/src/MISC/fix_evaporate.cpp
index 42f3b844db47caed7f8f434c0f791c16dcda0282..54d1090892eeb75cc84dd704e987489d14ba7c6e 100644
--- a/src/MISC/fix_evaporate.cpp
+++ b/src/MISC/fix_evaporate.cpp
@@ -35,7 +35,7 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixEvaporate::FixEvaporate(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), idregion(NULL), list(NULL), mark(NULL), random(NULL)
 {
   if (narg < 7) error->all(FLERR,"Illegal fix evaporate command");
 
diff --git a/src/MISC/fix_gld.cpp b/src/MISC/fix_gld.cpp
index 0266d2501c49959e602ae6cb15d7d3b63f474f5b..945ddb531b500d9ec823c8a1abec11a8e2c76940 100644
--- a/src/MISC/fix_gld.cpp
+++ b/src/MISC/fix_gld.cpp
@@ -43,7 +43,8 @@ using namespace FixConst;
 ------------------------------------------------------------------------- */
 
 FixGLD::FixGLD(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), 
+  step_respa(NULL), prony_c(NULL), prony_tau(NULL), s_gld(NULL), random(NULL)
 {
   int narg_min = 8;
   // Check to make sure we have the minimal number of inputs
diff --git a/src/MISC/fix_orient_bcc.cpp b/src/MISC/fix_orient_bcc.cpp
index 9d369a2af062eeec22c6af5e990a287ff618ab35..87bdc55535b842549582d7ca362af62eba436bd3 100644
--- a/src/MISC/fix_orient_bcc.cpp
+++ b/src/MISC/fix_orient_bcc.cpp
@@ -57,7 +57,8 @@ static const char cite_fix_orient_bcc[] =
 /* ---------------------------------------------------------------------- */
 
 FixOrientBCC::FixOrientBCC(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), 
+  xifilename(NULL), chifilename(NULL), order(NULL), nbr(NULL), sort(NULL), list(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_fix_orient_bcc);
 
diff --git a/src/MISC/fix_orient_fcc.cpp b/src/MISC/fix_orient_fcc.cpp
index 320da0da479411e4fbc80416d5f3cc5fc3a62842..23b25b5cd0b97237d1760571784d29a9a15fef77 100644
--- a/src/MISC/fix_orient_fcc.cpp
+++ b/src/MISC/fix_orient_fcc.cpp
@@ -54,7 +54,8 @@ static const char cite_fix_orient_fcc[] =
 /* ---------------------------------------------------------------------- */
 
 FixOrientFCC::FixOrientFCC(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg),
+  xifilename(NULL), chifilename(NULL), order(NULL), nbr(NULL), sort(NULL), list(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_fix_orient_fcc);
 
diff --git a/src/MISC/fix_thermal_conductivity.cpp b/src/MISC/fix_thermal_conductivity.cpp
index b465188fbbe795239fec3e11e927da61c46c9e05..b9e70e9c009cb4bdb57146a953ecaa43abfa8138 100644
--- a/src/MISC/fix_thermal_conductivity.cpp
+++ b/src/MISC/fix_thermal_conductivity.cpp
@@ -36,7 +36,8 @@ using namespace FixConst;
 
 FixThermalConductivity::FixThermalConductivity(LAMMPS *lmp,
                                                int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg),
+  index_lo(NULL), index_hi(NULL), ke_lo(NULL), ke_hi(NULL)
 {
   if (narg < 6) error->all(FLERR,"Illegal fix thermal/conductivity command");
 
diff --git a/src/MISC/fix_ttm.cpp b/src/MISC/fix_ttm.cpp
index 1461a0707dd34f33c2c745a3fc70da1729a42aa2..00e7803f8a6c372abdbb86084492733a6549ba2c 100644
--- a/src/MISC/fix_ttm.cpp
+++ b/src/MISC/fix_ttm.cpp
@@ -40,7 +40,12 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixTTM::FixTTM(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), 
+  random(NULL), fp(NULL), fpr(NULL), nsum(NULL), nsum_all(NULL), 
+  T_initial_set(NULL), gfactor1(NULL), gfactor2(NULL), ratio(NULL), 
+  flangevin(NULL), T_electron(NULL), T_electron_old(NULL), sum_vsq(NULL), 
+  sum_mass_vsq(NULL), sum_vsq_all(NULL), sum_mass_vsq_all(NULL), 
+  net_energy_transfer(NULL), net_energy_transfer_all(NULL)
 {
   if (narg < 15) error->all(FLERR,"Illegal fix ttm command");
 
diff --git a/src/MISC/fix_viscosity.cpp b/src/MISC/fix_viscosity.cpp
index 2b8807c60528302c7db2f3c123bed47be0bc1ed3..3f6d5e33d1ac6eb3dea29b23ca693d7056a51fd3 100644
--- a/src/MISC/fix_viscosity.cpp
+++ b/src/MISC/fix_viscosity.cpp
@@ -37,7 +37,8 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixViscosity::FixViscosity(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg),
+  pos_index(NULL), neg_index(NULL), pos_delta(NULL), neg_delta(NULL)
 {
   if (narg < 7) error->all(FLERR,"Illegal fix viscosity command");
 
diff --git a/src/MOLECULE/fix_cmap.cpp b/src/MOLECULE/fix_cmap.cpp
index 8d8abe2ac0e68a67cd276868a4039d2dbc31cde4..eedb9bf554a8612edfbeafb5dd9366a65b16d184 100644
--- a/src/MOLECULE/fix_cmap.cpp
+++ b/src/MOLECULE/fix_cmap.cpp
@@ -62,7 +62,10 @@ using namespace MathConst;
 
 /* ---------------------------------------------------------------------- */
 
-FixCMAP::FixCMAP(LAMMPS *lmp, int narg, char **arg) : Fix(lmp, narg, arg)
+FixCMAP::FixCMAP(LAMMPS *lmp, int narg, char **arg) : Fix(lmp, narg, arg),
+  crosstermlist(NULL), num_crossterm(NULL), crossterm_type(NULL), crossterm_atom1(NULL),
+  crossterm_atom2(NULL), crossterm_atom3(NULL), crossterm_atom4(NULL), crossterm_atom5(NULL),
+  g_axis(NULL), cmapgrid(NULL), d1cmapgrid(NULL), d2cmapgrid(NULL), d12cmapgrid(NULL)
 {
   if (narg != 4) error->all(FLERR,"Illegal fix cmap command");