diff --git a/src/kspace.cpp b/src/kspace.cpp
index cce0735d14..4bbd007dd2 100644
--- a/src/kspace.cpp
+++ b/src/kspace.cpp
@@ -32,7 +32,7 @@ KSpace::KSpace(LAMMPS *lmp, int narg, char **arg) : Pointers(lmp)
   energy = 0.0;
   virial[0] = virial[1] = virial[2] = virial[3] = virial[4] = virial[5] = 0.0;
 
-  ewaldflag = pppmflag = msmflag = dispersionflag = tip4pflag = proxyflag = 0;
+  ewaldflag = pppmflag = msmflag = dispersionflag = tip4pflag = 0;
   compute_flag = 1;
   group_group_enable = 0;
 
@@ -151,8 +151,6 @@ void KSpace::pair_check()
     error->all(FLERR,"KSpace style is incompatible with Pair style");
   if (tip4pflag && force->pair->tip4pflag == 0)
     error->all(FLERR,"KSpace style is incompatible with Pair style");
-  if (proxyflag && force->pair->proxyflag == 0)
-    error->all(FLERR,"KSpace style is incompatible with Pair style");
 }
 
 /* ----------------------------------------------------------------------
diff --git a/src/kspace.h b/src/kspace.h
index 503122eea3..fe668271ff 100644
--- a/src/kspace.h
+++ b/src/kspace.h
@@ -42,7 +42,6 @@ class KSpace : protected Pointers {
   int msmflag;                   // 1 if a MSM solver
   int dispersionflag;            // 1 if a LJ/dispersion solver
   int tip4pflag;                 // 1 if a TIP4P solver
-  int proxyflag;                 // 1 if a proxy solver
 
   double g_ewald,g_ewald_6;
   int nx_pppm,ny_pppm,nz_pppm;           // global FFT grid for Coulombics
diff --git a/src/pair.cpp b/src/pair.cpp
index b5d5ee1c9e..96d68f6f70 100644
--- a/src/pair.cpp
+++ b/src/pair.cpp
@@ -65,7 +65,7 @@ Pair::Pair(LAMMPS *lmp) : Pointers(lmp)
   single_extra = 0;
   svector = NULL;
 
-  ewaldflag = pppmflag = msmflag = dispersionflag = tip4pflag = proxyflag = 0;
+  ewaldflag = pppmflag = msmflag = dispersionflag = tip4pflag = 0;
 
   // pair_modify settings
 
diff --git a/src/pair.h b/src/pair.h
index c8d2fc826a..318dca1915 100644
--- a/src/pair.h
+++ b/src/pair.h
@@ -55,7 +55,6 @@ class Pair : protected Pointers {
   int msmflag;                   // 1 if compatible with MSM solver
   int dispersionflag;            // 1 if compatible with LJ/dispersion solver
   int tip4pflag;                 // 1 if compatible with TIP4P solver
-  int proxyflag;                 // 1 if compatible with proxy solver
 
   int tail_flag;                 // pair_modify flag for LJ tail correction
   double etail,ptail;            // energy/pressure tail corrections
diff --git a/src/pair_hybrid.cpp b/src/pair_hybrid.cpp
index 4b32c125f6..42b4b056a4 100644
--- a/src/pair_hybrid.cpp
+++ b/src/pair_hybrid.cpp
@@ -265,8 +265,8 @@ void PairHybrid::settings(int narg, char **arg)
   // respa_enable = 1 if any sub-style is set
   // no_virial_fdotr_compute = 1 if any sub-style is set
   // ghostneigh = 1 if any sub-style is set
-  // ewaldflag, pppmflag, msmflag,
-  // dispersionflag, tip4pflag, proxyflag = 1 if any sub-style is set
+  // ewaldflag, pppmflag, msmflag, dispersionflag, tip4pflag = 1
+  //   if any sub-style is set
 
   single_enable = 0;
   for (m = 0; m < nstyles; m++) {
@@ -279,7 +279,6 @@ void PairHybrid::settings(int narg, char **arg)
     if (styles[m]->msmflag) msmflag = 1;
     if (styles[m]->dispersionflag) dispersionflag = 1;
     if (styles[m]->tip4pflag) tip4pflag = 1;
-    if (styles[m]->proxyflag) proxyflag = 1;
   }
 
   // single_extra = min of all sub-style single_extra