diff --git a/girara/datastructures.c b/girara/datastructures.c
index 0b67a6d8cf2786bfceaf25537cdf45ae9ebb4b85..0b0882eb1505ee1b73e49c5bda5ea891cb2e1e35 100644
--- a/girara/datastructures.c
+++ b/girara/datastructures.c
@@ -40,7 +40,7 @@ girara_list_new(void)
 girara_list_t*
 girara_list_new2(girara_free_function_t gfree)
 {
-  girara_list_t* list = g_try_malloc0(sizeof(girara_list_t));
+  girara_list_t* list = g_slice_new0(girara_list_t);
   if (list == NULL) {
     return NULL;
   }
@@ -103,7 +103,7 @@ girara_list_free(girara_list_t* list)
   }
 
   girara_list_clear(list);
-  g_free(list);
+  g_slice_free(girara_list_t, list);
 }
 
 void
@@ -203,7 +203,7 @@ girara_list_iterator(girara_list_t* list)
     return NULL;
   }
 
-  girara_list_iterator_t* iter = g_try_malloc0(sizeof(girara_list_iterator_t));
+  girara_list_iterator_t* iter = g_slice_new0(girara_list_iterator_t);
   if (iter == NULL) {
     return NULL;
   }
@@ -219,14 +219,7 @@ girara_list_iterator_copy(girara_list_iterator_t* iter)
 {
   g_return_val_if_fail(iter != NULL, NULL);
 
-  girara_list_iterator_t* iter2 = g_try_malloc0(sizeof(girara_list_iterator_t));
-  if (iter2 == NULL) {
-    return NULL;
-  }
-
-  iter2->list    = iter->list;
-  iter2->element = iter->element;
-  return iter2;
+  return g_slice_copy(sizeof(girara_list_iterator_t), iter);
 }
 
 girara_list_iterator_t*
@@ -328,7 +321,7 @@ girara_list_iterator_free(girara_list_iterator_t* iter)
     return;
   }
 
-  g_free(iter);
+  g_slice_free(girara_list_iterator_t, iter);
 }
 
 size_t
diff --git a/girara/template.c b/girara/template.c
index 73b73068ac99fdb85df1c70002367dd3c5084d0a..9705af3ee5048afa7d325350205abda860972fcf 100644
--- a/girara/template.c
+++ b/girara/template.c
@@ -36,7 +36,7 @@ new_variable(const char* name)
     return NULL;
   }
 
-  variable_t* variable = g_try_malloc0(sizeof(variable_t));
+  variable_t* variable = g_slice_new0(variable_t);
   if (variable == NULL) {
     return NULL;
   }
@@ -58,7 +58,7 @@ free_variable(void* data)
   variable->name  = NULL;
   variable->value = NULL;
 
-  g_free(variable);
+  g_slice_free(variable_t, data);
 }
 
 static int