diff --git a/src/aleph/vm/models.py b/src/aleph/vm/models.py
index 6d6b77d97..6f87b2363 100644
--- a/src/aleph/vm/models.py
+++ b/src/aleph/vm/models.py
@@ -96,10 +96,6 @@ def is_running(self) -> bool:
             else bool(self.times.starting_at and not self.times.stopping_at)
         )
 
-    @property
-    def is_allocated(self) -> bool:
-        return bool(self.times.starting_at and not self.times.stopping_at)
-
     @property
     def is_stopping(self) -> bool:
         return bool(self.times.stopping_at and not self.times.stopped_at)
diff --git a/src/aleph/vm/pool.py b/src/aleph/vm/pool.py
index 839b1a3cc..8c5f9fd8b 100644
--- a/src/aleph/vm/pool.py
+++ b/src/aleph/vm/pool.py
@@ -161,9 +161,7 @@ def get_unique_vm_id(self) -> int:
             #
             # We therefore recycle vm_id values from executions that are not running
             # anymore.
-            currently_used_vm_ids = {
-                execution.vm_id for execution in self.executions.values() if execution.is_allocated
-            }
+            currently_used_vm_ids = {execution.vm_id for execution in self.executions.values()}
             for i in range(settings.START_ID_INDEX, 255**2):
 
                 if self.network: