diff --git a/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_schedule.py b/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_schedule.py
index 2fd21d975f..b9323223b5 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_schedule.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_schedule.py
@@ -16,4 +16,12 @@ class Usecase:
             definition=self.settings["work_schedule"],
             relating_context=self.file.by_type("IfcContext")[0],
         )
+        for rel in self.settings["work_schedule"].Controls:
+            for related_object in rel.RelatedObjects:
+                if related_object.is_a("IfcTask"):
+                    ifcopenshell.api.run(
+                        "sequence.remove_task",
+                        self.file,
+                        task=related_object
+                    )
         self.file.remove(self.settings["work_schedule"])