diff --git a/src/USER-DIFFRACTION/compute_saed.cpp b/src/USER-DIFFRACTION/compute_saed.cpp
index fc76a8f867d98f1bb914c286e8065b75428cc5c2..cc1dec96fa14872b1d792a5fab15847c796e825f 100644
--- a/src/USER-DIFFRACTION/compute_saed.cpp
+++ b/src/USER-DIFFRACTION/compute_saed.cpp
@@ -49,7 +49,7 @@ static const char cite_compute_saed_c[] =
 /* ---------------------------------------------------------------------- */
 
 ComputeSAED::ComputeSAED(LAMMPS *lmp, int narg, char **arg) :
-  Compute(lmp, narg, arg)
+  Compute(lmp, narg, arg), ztype(NULL), store_tmp(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_compute_saed_c);
 
diff --git a/src/USER-DIFFRACTION/compute_xrd.cpp b/src/USER-DIFFRACTION/compute_xrd.cpp
index 5d30cfc8770bd1943c67481371e777328e19d550..f56409f57cfb11072247729ce98c8b4b98c7f1b9 100644
--- a/src/USER-DIFFRACTION/compute_xrd.cpp
+++ b/src/USER-DIFFRACTION/compute_xrd.cpp
@@ -50,7 +50,7 @@ static const char cite_compute_xrd_c[] =
 /* ---------------------------------------------------------------------- */
 
 ComputeXRD::ComputeXRD(LAMMPS *lmp, int narg, char **arg) :
-  Compute(lmp, narg, arg)
+  Compute(lmp, narg, arg), ztype(NULL), store_tmp(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_compute_xrd_c);
 
diff --git a/src/USER-DIFFRACTION/fix_saed_vtk.cpp b/src/USER-DIFFRACTION/fix_saed_vtk.cpp
index d06c4a681a251bd74b78d63ef40b1e20b2bc04f9..064a40ae25ebf3d926b61274747bbf7a7a21e049 100644
--- a/src/USER-DIFFRACTION/fix_saed_vtk.cpp
+++ b/src/USER-DIFFRACTION/fix_saed_vtk.cpp
@@ -44,7 +44,8 @@ enum{FIRST,MULTI};
 /* ---------------------------------------------------------------------- */
 
 FixSAEDVTK::FixSAEDVTK(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), ids(NULL), fp(NULL), vector(NULL), 
+  vector_total(NULL), vector_list(NULL), compute_saed(NULL), filename(NULL)
 {
   if (narg < 7) error->all(FLERR,"Illegal fix saed/vtk command");
 
diff --git a/src/USER-DPD/compute_dpd_atom.cpp b/src/USER-DPD/compute_dpd_atom.cpp
index ffac09c48ef19a6864e9b148aa29cb365596954f..5770ed451bc5c823d8054a7c76e2563849e2a13e 100644
--- a/src/USER-DPD/compute_dpd_atom.cpp
+++ b/src/USER-DPD/compute_dpd_atom.cpp
@@ -35,7 +35,7 @@ using namespace LAMMPS_NS;
 /* ---------------------------------------------------------------------- */
 
 ComputeDpdAtom::ComputeDpdAtom(LAMMPS *lmp, int narg, char **arg) :
-  Compute(lmp, narg, arg)
+  Compute(lmp, narg, arg), dpdAtom(NULL)
 {
   if (narg != 3) error->all(FLERR,"Illegal compute dpd/atom command");
 
@@ -43,8 +43,7 @@ ComputeDpdAtom::ComputeDpdAtom(LAMMPS *lmp, int narg, char **arg) :
   size_peratom_cols = 4;
 
   nmax = 0;
-  dpdAtom = NULL;
-
+  
   if (atom->dpd_flag != 1) error->all(FLERR,"compute dpd requires atom_style with internal temperature and energies (e.g. dpd)");
 }
 
diff --git a/src/USER-DPD/fix_eos_table.cpp b/src/USER-DPD/fix_eos_table.cpp
index 854f6a4a78a0e39835a8fce7f152c8d3648cf49d..04293c0e173c3ebb1299a0935311162ee70ab438 100644
--- a/src/USER-DPD/fix_eos_table.cpp
+++ b/src/USER-DPD/fix_eos_table.cpp
@@ -31,7 +31,7 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixEOStable::FixEOStable(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), ntables(0), tables(NULL)
 {
   if (narg != 7) error->all(FLERR,"Illegal fix eos/table command");
   restart_peratom = 1;
diff --git a/src/USER-DPD/fix_eos_table_rx.cpp b/src/USER-DPD/fix_eos_table_rx.cpp
index 85c3a6dd2a1e111fbdd6c1f5aab8292c6ae49162..e10ce960899e313e0474420dc149b0135ffccc95 100644
--- a/src/USER-DPD/fix_eos_table_rx.cpp
+++ b/src/USER-DPD/fix_eos_table_rx.cpp
@@ -34,7 +34,8 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixEOStableRX::FixEOStableRX(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), ntables(0), tables(NULL), 
+  tables2(NULL), dHf(NULL), eosSpecies(NULL)
 {
   if (narg != 8) error->all(FLERR,"Illegal fix eos/table/rx command");
   restart_peratom = 1;
diff --git a/src/USER-DPD/fix_rx.cpp b/src/USER-DPD/fix_rx.cpp
index cd23addda918af6a26ef1ecf7bb901deb7095901..a9601f43f052da4ef25c10aa2b933042efa42d3c 100644
--- a/src/USER-DPD/fix_rx.cpp
+++ b/src/USER-DPD/fix_rx.cpp
@@ -60,7 +60,13 @@ double getElapsedTime( const TimerType &t0, const TimerType &t1) { return t1-t0;
 /* ---------------------------------------------------------------------- */
 
 FixRX::FixRX(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), mol2param(NULL), nreactions(0), 
+  params(NULL), Arr(NULL), nArr(NULL), Ea(NULL), tempExp(NULL), 
+  stoich(NULL), stoichReactants(NULL), stoichProducts(NULL), kR(NULL), 
+  pairDPDE(NULL), dpdThetaLocal(NULL), sumWeights(NULL), sparseKinetics_nu(NULL), 
+  sparseKinetics_nuk(NULL), sparseKinetics_inu(NULL), sparseKinetics_isIntegralReaction(NULL), 
+  kineticsFile(NULL), id_fix_species(NULL), 
+  id_fix_species_old(NULL), fix_species(NULL), fix_species_old(NULL)
 {
   if (narg < 7 || narg > 12) error->all(FLERR,"Illegal fix rx command");
   restart_peratom = 1;
diff --git a/src/USER-DPD/fix_shardlow.cpp b/src/USER-DPD/fix_shardlow.cpp
index 22022945ad32491d81d9b8134a0a0ae5496d4cc6..e16c81c5bb934d5faa5b24ab3150485b35f2ef6c 100644
--- a/src/USER-DPD/fix_shardlow.cpp
+++ b/src/USER-DPD/fix_shardlow.cpp
@@ -83,7 +83,7 @@ static const char cite_fix_shardlow[] =
 /* ---------------------------------------------------------------------- */
 
 FixShardlow::FixShardlow(LAMMPS *lmp, int narg, char **arg) :
-  Fix(lmp, narg, arg)
+  Fix(lmp, narg, arg), pairDPD(NULL), pairDPDE(NULL), v_t0(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_fix_shardlow);
 
diff --git a/src/USER-DPD/pair_multi_lucy.cpp b/src/USER-DPD/pair_multi_lucy.cpp
index a4ea8cad229946605eb8b904842cefa47b822bd4..8e944953443940b39d28a0f54a8ea260c835796f 100644
--- a/src/USER-DPD/pair_multi_lucy.cpp
+++ b/src/USER-DPD/pair_multi_lucy.cpp
@@ -54,7 +54,8 @@ static const char cite_pair_multi_lucy[] =
 
 /* ---------------------------------------------------------------------- */
 
-PairMultiLucy::PairMultiLucy(LAMMPS *lmp) : Pair(lmp)
+PairMultiLucy::PairMultiLucy(LAMMPS *lmp) : Pair(lmp),
+  ntables(0), tables(NULL), tabindex(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_pair_multi_lucy);
 
diff --git a/src/USER-DPD/pair_multi_lucy_rx.cpp b/src/USER-DPD/pair_multi_lucy_rx.cpp
index 586e58908da4292a3b0d0e041e2bc80163922611..cd107f1519e8f5918eb6ecc71ad50f4086c207d0 100644
--- a/src/USER-DPD/pair_multi_lucy_rx.cpp
+++ b/src/USER-DPD/pair_multi_lucy_rx.cpp
@@ -59,7 +59,8 @@ static const char cite_pair_multi_lucy_rx[] =
 
 /* ---------------------------------------------------------------------- */
 
-PairMultiLucyRX::PairMultiLucyRX(LAMMPS *lmp) : Pair(lmp)
+PairMultiLucyRX::PairMultiLucyRX(LAMMPS *lmp) : Pair(lmp),
+  ntables(0), tables(NULL), tabindex(NULL), site1(NULL), site2(NULL)
 {
   if (lmp->citeme) lmp->citeme->add(cite_pair_multi_lucy_rx);