diff --git a/libinterp/corefcn/perms.cc b/libinterp/corefcn/perms.cc
index f6d60cbdbf..c3922b06da 100644
--- a/libinterp/corefcn/perms.cc
+++ b/libinterp/corefcn/perms.cc
@@ -56,7 +56,7 @@ GetPerms (const Array<T> &ar_in, bool uniq_v, bool do_sort = false)
   double nr = Factorial (m);
 
   // Setup index vector filled from 0..m-1
-  int* myvidx = new int[m];
+  OCTAVE_LOCAL_BUFFER (int, myvidx, m);
   for (int i = 0; i < m; i++)
     myvidx[i] = i;
 
@@ -114,8 +114,6 @@ GetPerms (const Array<T> &ar_in, bool uniq_v, bool do_sort = false)
     }
   while (std::next_permutation (myvidx, myvidx + m, std::greater<int> ()));
 
-  delete[] myvidx;
-
   return res;
 }
 
@@ -131,7 +129,7 @@ GetPermsNoSort (const Array<T> &ar_in, bool uniq_v = false)
   double nr = Factorial (m);
 
   // Setup index vector filled from 0..m-1
-  int* myvidx = new int[m];
+  OCTAVE_LOCAL_BUFFER (int, myvidx, m);
   for (int i = 0; i < m; i++)
     myvidx[i] = i;
 
@@ -179,8 +177,6 @@ GetPermsNoSort (const Array<T> &ar_in, bool uniq_v = false)
     }
   while (std::next_permutation (myvidx, myvidx + m, std::greater<int> ()));
 
-  delete[] myvidx;
-
   return res;
 }