diff --git a/lib/gpu/lal_lj_expand_ext.cpp b/lib/gpu/lal_lj_expand_ext.cpp
index 94a57192b9fcfaf27db05517b7724dc25d4a4e31..a9c791803b11f3ff5343f10cfb433f0dd1d9924e 100644
--- a/lib/gpu/lal_lj_expand_ext.cpp
+++ b/lib/gpu/lal_lj_expand_ext.cpp
@@ -92,7 +92,7 @@ int lje_gpu_init(const int ntypes, double **cutsq, double **host_lj1,
 // ---------------------------------------------------------------------------
 // Copy updated coeffs from host to device
 // ---------------------------------------------------------------------------
-int lje_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
+void lje_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
                    double **host_lj2, double **host_lj3, double **host_lj4,
                    double **offset, double **shift) {
   int world_me=LJEMF.device->world_me();
diff --git a/src/GPU/pair_gauss_gpu.cpp b/src/GPU/pair_gauss_gpu.cpp
index a8cb695b3aba077587028729e73a38b5731b7bba..01cc63a9f9a49c378b7318cb36b9b6143269d853 100644
--- a/src/GPU/pair_gauss_gpu.cpp
+++ b/src/GPU/pair_gauss_gpu.cpp
@@ -43,7 +43,7 @@ int gauss_gpu_init(const int ntypes, double **cutsq, double **host_a,
                    double **b, double **offset, double *special_lj, const int nlocal,
                    const int nall, const int max_nbors, const int maxspecial,
                    const double cell_size, int &gpu_mode, FILE *screen);
-int gauss_gpu_reinit(const int ntypes, double **cutsq, double **host_a,
+void gauss_gpu_reinit(const int ntypes, double **cutsq, double **host_a,
                    double **b, double **offset);
 void gauss_gpu_clear();
 int ** gauss_gpu_compute_n(const int ago, const int inum,
diff --git a/src/GPU/pair_lj_cut_coul_long_gpu.cpp b/src/GPU/pair_lj_cut_coul_long_gpu.cpp
index 8ea7a7f07bbd8d660f149a9e0620b74ca75dae8c..0c09cb1d51a39beb952f85c4a29950d077df56f6 100644
--- a/src/GPU/pair_lj_cut_coul_long_gpu.cpp
+++ b/src/GPU/pair_lj_cut_coul_long_gpu.cpp
@@ -56,7 +56,7 @@ int ljcl_gpu_init(const int ntypes, double **cutsq, double **host_lj1,
                   double **host_cut_ljsq, double host_cut_coulsq,
                   double *host_special_coul, const double qqrd2e,
                   const double g_ewald);
-int ljcl_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
+void ljcl_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
                     double **host_lj2, double **host_lj3, double **host_lj4,
                     double **offset, double **host_lj_cutsq);
 void ljcl_gpu_clear();
diff --git a/src/GPU/pair_lj_cut_gpu.cpp b/src/GPU/pair_lj_cut_gpu.cpp
index ef97269772b3dad8c21418ecd4d1881657b4c014..feba9ed88bb20a81e7ff3b016c36b636d8c4b388 100644
--- a/src/GPU/pair_lj_cut_gpu.cpp
+++ b/src/GPU/pair_lj_cut_gpu.cpp
@@ -45,7 +45,7 @@ int ljl_gpu_init(const int ntypes, double **cutsq, double **host_lj1,
                  const int nall, const int max_nbors, const int maxspecial,
                  const double cell_size, int &gpu_mode, FILE *screen);
 
-int ljl_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
+void ljl_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
                    double **host_lj2, double **host_lj3, double **host_lj4,
                    double **offset);
 
diff --git a/src/GPU/pair_lj_expand_gpu.cpp b/src/GPU/pair_lj_expand_gpu.cpp
index 33bbf60600be9db82911e3cf6400c6262db0e8e5..43ec1ec45a0dc2ba63ba8b2b49d5755aaf711bcc 100644
--- a/src/GPU/pair_lj_expand_gpu.cpp
+++ b/src/GPU/pair_lj_expand_gpu.cpp
@@ -45,7 +45,7 @@ int lje_gpu_init(const int ntypes, double **cutsq, double **host_lj1,
                  const int nlocal, const int nall, const int max_nbors,
                  const int maxspecial, const double cell_size, int &gpu_mode,
                  FILE *screen);
-int lje_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
+void lje_gpu_reinit(const int ntypes, double **cutsq, double **host_lj1,
                    double **host_lj2, double **host_lj3, double **host_lj4,
                    double **offset, double **shift);
 void lje_gpu_clear();