diff --git a/src/aiori-POSIX.c b/src/aiori-POSIX.c
index d78cd40..0eb663b 100755
--- a/src/aiori-POSIX.c
+++ b/src/aiori-POSIX.c
@@ -89,6 +89,7 @@ option_help * POSIX_options(void ** init_backend_options, void * init_values){
   }
 
   *init_backend_options = o;
+  free(o);
 
   option_help h [] = {
     {0, "posix.odirect", "Direct I/O Mode", OPTION_FLAG, 'd', & o->direct_io},
diff --git a/src/mdtest.c b/src/mdtest.c
index 1ff204d..e187a77 100644
--- a/src/mdtest.c
+++ b/src/mdtest.c
@@ -1901,6 +1901,9 @@ mdtest_results_t * mdtest_run(int argc, char **argv, MPI_Comm world_com, FILE *
     options_all_t * global_options = airoi_create_all_module_options(options);
     option_parse(argc, argv, global_options);
     updateParsedOptions(& param, global_options);
+
+    free(global_options->modules);
+    free(global_options);
     backend = param.backend;
 
     MPI_Comm_rank(testComm, &rank);
diff --git a/src/test/lib.c b/src/test/lib.c
index 55ca6f0..c163f54 100644
--- a/src/test/lib.c
+++ b/src/test/lib.c
@@ -16,6 +16,11 @@ int main(int argc, char ** argv){
         fprintf(stderr, "Could not run ior\n");
         ret = 1;
     }
+    else
+    {
+        free(res->params.platform);
+        free(res);
+    }
   }
   if (rank == 0){
     char * param[] = {"./mdtest", "-a", "DUMMY"};