diff --git a/src/ML-IAP/pair_mliap.cpp b/src/ML-IAP/pair_mliap.cpp
index 5b569702d0..88d291a682 100644
--- a/src/ML-IAP/pair_mliap.cpp
+++ b/src/ML-IAP/pair_mliap.cpp
@@ -336,12 +336,17 @@ void PairMLIAP::v_tally(int i, int j, double *fij, double *rij)
 void PairMLIAP::init_style()
 {
   if (force->newton_pair == 0)
-    error->all(FLERR,"Pair style MLIAP requires newton pair on");
+    error->all(FLERR, Error::NOLASTLINE, "Pair style mliap requires newton pair on");
 
   // need a full neighbor list
 
   if (ghostneigh == 1) {
-    neighbor->add_request(this, NeighConst::REQ_FULL | NeighConst::REQ_GHOST);
+    // AK: 2025-04-07 nothing seems to be using this feature and it was leaking memory, too.
+    error->all(FLERR, Error::NOLASTLINE,
+               "Pair_style mliap does not support requesting neighbors of ghost atoms anymore.\n"
+               "If you have a model requiring this setting, please contact the LAMMPS developers"
+               + utils::errorurl(35));
+    // neighbor->add_request(this, NeighConst::REQ_FULL | NeighConst::REQ_GHOST);
   } else {
     neighbor->add_request(this, NeighConst::REQ_FULL);
   }
diff --git a/unittest/force-styles/test_mliappy_unified.cpp b/unittest/force-styles/test_mliappy_unified.cpp
index a8309feb21..996d4d82d5 100644
--- a/unittest/force-styles/test_mliappy_unified.cpp
+++ b/unittest/force-styles/test_mliappy_unified.cpp
@@ -77,6 +77,11 @@ TEST(MliapUnified, VersusLJMelt)
     lammps_close(mliap);
 }
 
+#if 0
+
+// This setting was producing wrong results and leaking memory.
+// Thus support for it was removed from LAMMPS.
+
 TEST(MliapUnified, VersusLJMeltGhost)
 {
     const char *lmpargv[] = {"melt", "-log", "none", "-nocite"};
@@ -112,5 +117,5 @@ TEST(MliapUnified, VersusLJMeltGhost)
     lammps_close(ljmelt);
     lammps_close(mliap);
 }
-
+#endif
 } // namespace LAMMPS_NS