diff --git a/taskvine/src/manager/vine_task.c b/taskvine/src/manager/vine_task.c
index c9496bec69..aaae1d279f 100644
--- a/taskvine/src/manager/vine_task.c
+++ b/taskvine/src/manager/vine_task.c
@@ -1002,19 +1002,6 @@ char *vine_task_to_json(struct vine_task *t)
 	return json;
 }
 
-/* Converts an int64_t to a valid vine_task_func_exec_mode_t.
- * Returns VINE_TASK_FUNC_EXEC_MODE_INVALID if there's no valid mode for the integer. */
-vine_task_func_exec_mode_t vine_task_func_exec_mode_from_int64_t(int64_t n)
-{
-	if (n == 1) {
-		return VINE_TASK_FUNC_EXEC_MODE_DIRECT;
-	}
-	if (n == 2) {
-		return VINE_TASK_FUNC_EXEC_MODE_FORK;
-	}
-	return VINE_TASK_FUNC_EXEC_MODE_INVALID;
-}
-
 /* Converts a string to a valid vine_task_func_exec_mode_t.
  * Returns VINE_TASK_FUNC_EXEC_MODE_INVALID if there's no valid mode for the string. */
 vine_task_func_exec_mode_t vine_task_func_exec_mode_from_string(const char *exec_mode)
diff --git a/taskvine/src/manager/vine_task.h b/taskvine/src/manager/vine_task.h
index 13f56bf4d4..ec6889c096 100644
--- a/taskvine/src/manager/vine_task.h
+++ b/taskvine/src/manager/vine_task.h
@@ -165,7 +165,6 @@ const char *vine_task_state_to_string( vine_task_state_t task_state );
 struct jx * vine_task_to_jx( struct vine_manager *q, struct vine_task *t );
 char * vine_task_to_json(struct vine_task *t);
 
-vine_task_func_exec_mode_t vine_task_func_exec_mode_from_int64_t(int64_t n);
 vine_task_func_exec_mode_t vine_task_func_exec_mode_from_string(const char *exec_mode);
 
 
diff --git a/taskvine/src/worker/vine_worker.c b/taskvine/src/worker/vine_worker.c
index f9ed5a6f59..191d55feeb 100644
--- a/taskvine/src/worker/vine_worker.c
+++ b/taskvine/src/worker/vine_worker.c
@@ -867,7 +867,7 @@ static struct vine_task *do_task_body(struct link *manager, int task_id, time_t
 			/* Also set the total number determined by the manager. */
 			task->function_slots_total = n;
 		} else if (sscanf(line, "func_exec_mode %" PRId64, &n) == 1) {
-			vine_task_func_exec_mode_t func_exec_mode = vine_task_func_exec_mode_from_int64_t(n);
+			vine_task_func_exec_mode_t func_exec_mode = n;
 			if (func_exec_mode == VINE_TASK_FUNC_EXEC_MODE_INVALID) {
 				debug(D_VINE | D_NOTICE, "invalid func_exec_mode from manager: %s", line);
 				vine_task_delete(task);