diff --git a/lib/crewai/src/crewai/crew.py b/lib/crewai/src/crewai/crew.py
index 2e872084b..ac40fc622 100644
--- a/lib/crewai/src/crewai/crew.py
+++ b/lib/crewai/src/crewai/crew.py
@@ -999,10 +999,7 @@ class Crew(FlowTrackable, BaseModel):
         **Ordering contract**: tasks are dispatched in the exact order they
         appear in *tasks* (i.e. their insertion / list order).  Each task
         carries an ``_execution_index`` stamped at crew-construction time
-        that locks this order deterministically.  As a defensive measure
-        the task list is sorted by ``_execution_index`` before iteration
-        so ordering is enforced even if the list is mutated after
-        construction.
+        that locks this order deterministically.
 
         Args:
             tasks: List of tasks to execute (preserves insertion order).
@@ -1012,10 +1009,6 @@ class Crew(FlowTrackable, BaseModel):
         Returns:
             CrewOutput: Final output of the crew.
         """
-        tasks = sorted(
-            tasks,
-            key=lambda t: t._execution_index if t._execution_index is not None else 0,
-        )
         task_outputs: list[TaskOutput] = []
         pending_tasks: list[tuple[Task, asyncio.Task[TaskOutput], int]] = []
         last_sync_output: TaskOutput | None = None
@@ -1210,10 +1203,7 @@ class Crew(FlowTrackable, BaseModel):
         **Ordering contract**: tasks are dispatched in the exact order they
         appear in *tasks* (i.e. their insertion / list order).  Each task
         carries an ``_execution_index`` stamped at crew-construction time
-        that locks this order deterministically.  As a defensive measure
-        the task list is sorted by ``_execution_index`` before iteration
-        so ordering is enforced even if the list is mutated after
-        construction.
+        that locks this order deterministically.
 
         Args:
             tasks: List of tasks to execute (preserves insertion order).
@@ -1223,10 +1213,6 @@ class Crew(FlowTrackable, BaseModel):
         Returns:
             CrewOutput: Final output of the crew.
         """
-        tasks = sorted(
-            tasks,
-            key=lambda t: t._execution_index if t._execution_index is not None else 0,
-        )
         custom_start = self._get_execution_start_index(tasks)
         if custom_start is not None:
             start_index = custom_start