diff --git a/src/algorithms/libs/rtklib/rtklib_preceph.cc b/src/algorithms/libs/rtklib/rtklib_preceph.cc
index aa67898fe..38dbab200 100644
--- a/src/algorithms/libs/rtklib/rtklib_preceph.cc
+++ b/src/algorithms/libs/rtklib/rtklib_preceph.cc
@@ -481,8 +481,8 @@ void readsp3(const char *file, nav_t *nav, int opt)
  *-----------------------------------------------------------------------------*/
 int readsap(const char *file, gtime_t time, nav_t *nav)
 {
-    pcvs_t pcvs = {0, 0, (pcv_t *){nullptr}};
-    pcv_t pcv0 = {0, {}, {}, {0, 0}, {0, 0}, {{}, {}}, {{}, {}}};
+    pcvs_t pcvs{};
+    pcv_t pcv0{};
     pcv_t *pcv;
     int i;
 
diff --git a/src/algorithms/libs/rtklib/rtklib_rtksvr.cc b/src/algorithms/libs/rtklib/rtklib_rtksvr.cc
index 63ba80c56..9c31c05de 100644
--- a/src/algorithms/libs/rtklib/rtklib_rtksvr.cc
+++ b/src/algorithms/libs/rtklib/rtklib_rtksvr.cc
@@ -479,25 +479,8 @@ void decodefile(rtksvr_t *svr, int index)
         {
             glo_fcn[i] = '0';
         }
-    pcv_t pcvt0[MAXSAT] = {{0, {'0'}, {'0'}, {0, 0.0}, {0, 0.0}, {{0.0}, {0.0}}, {{0.0}, {0.0}}}};
-    sbsfcorr_t sbsfcorr0 = {{0, 0.0}, 0.0, 0.0, 0.0, 0, 0, 0};
-    sbslcorr_t sbslcorr0 = {{0, 0.0}, 0, {0.0}, {0.0}, 0.0, 0.0};
-    sbssat_t sbssat0 = {0, 0, 0, {{0, sbsfcorr0, sbslcorr0}}};
-    sbsigp_t sbsigp0[MAXNIGP] = {{{0, 0.0}, 0, 0, 0, 0.0}};
-    sbsion_t sbsion0[MAXBAND + 1] = {{0, 0, {*sbsigp0}}};
-    dgps_t dgps0[MAXSAT] = {{{0, 0.0}, 0.0, 0.0, 0, 0.0}};
-    ssr_t ssr0[MAXSAT] = {{{{0, 0.0}}, {0.0}, {0}, 0, 0, 0, 0, {0.0}, {0.0}, {0.0}, 0.0, {0.0}, {0.0}, {0.0}, 0.0, 0.0, '0'}};
-    lexeph_t lexeph0[MAXSAT] = {{{0, 0.0}, {0, 0.0}, 0, 0, 0, {0.0}, {0.0}, {0.0}, {0.0}, 0.0, 0.0, 0.0, {0.0}}};
-    stec_t stec0[MAXSTA] = {{{0, 0.0}, 0, 0.0, 0.0, {0.0}, 0}};
-    trop_t trop0[MAXSTA] = {{{0, 0.0}, {0.0}, {0.0}}};
-    pppcorr_t pppcorr0 = {0, {{0}, {0}}, {{0.0}, {0.0}}, {0}, {0}, {0}, {0}, {stec0}, {trop0}};
-
-    nav_t nav = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
-        {0, 0, (erpd_t *){nullptr}}, {0.0}, {0.0}, {0.0}, {0.0}, {0.0}, {0.0}, {0.0}, {0.0},
-        {0.0}, {0.0}, {0.0}, {0.0}, 0, {{0.0}, {0.0}}, {{0.0}, {0.0}}, {{{0.0}}, {{0.0}}, {{0.0}}},
-        {0.0}, {0.0}, {*glo_fcn}, {*pcvt0}, sbssat0, {*sbsion0}, {*dgps0}, {*ssr0}, {*lexeph0},
-        {{0, 0.0}, 0.0, {0.0}, {{0.0}, {0.0}}}, pppcorr0};
 
+    nav_t nav{};
     char file[1024];
     int nb;