diff --git a/kernel/core_hook.c b/kernel/core_hook.c
index 1469f7ac..52791ef5 100644
--- a/kernel/core_hook.c
+++ b/kernel/core_hook.c
@@ -75,9 +75,6 @@ extern void susfs_run_sus_path_loop(uid_t uid);
 #ifdef CONFIG_KSU_SUSFS_ENABLE_LOG
 extern bool susfs_is_log_enabled __read_mostly;
 #endif // #ifdef CONFIG_KSU_SUSFS_ENABLE_LOG
-#ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
-extern void susfs_run_try_umount_for_current_mnt_ns(void);
-#endif // #ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
 #ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
 static bool susfs_is_umount_for_zygote_system_process_enabled = false;
 static bool susfs_is_umount_for_zygote_iso_service_enabled = false;
@@ -763,18 +760,6 @@ int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
 				pr_info("susfs: copy_to_user() failed\n");
 			return 0;
 		}
-		if (arg2 == CMD_SUSFS_UMOUNT_FOR_ZYGOTE_ISO_SERVICE) {
-			int error = 0;
-			if (arg3 != 0 && arg3 != 1) {
-				pr_err("susfs: CMD_SUSFS_UMOUNT_FOR_ZYGOTE_ISO_SERVICE -> arg3 can only be 0 or 1\n");
-				return 0;
-			}
-			susfs_is_umount_for_zygote_iso_service_enabled = arg3;
-			pr_info("susfs: CMD_SUSFS_UMOUNT_FOR_ZYGOTE_ISO_SERVICE -> susfs_is_umount_for_zygote_iso_service_enabled: %lu\n", arg3);
-			if (copy_to_user((void __user*)arg5, &error, sizeof(error)))
-				pr_info("susfs: copy_to_user() failed\n");
-			return 0;
-		}
 #endif //#ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
 #ifdef CONFIG_KSU_SUSFS_SUS_KSTAT
 		if (arg2 == CMD_SUSFS_ADD_SUS_KSTAT) {
@@ -843,11 +828,6 @@ int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
 				pr_info("susfs: copy_to_user() failed\n");
 			return 0;
 		}
-		if (arg2 == CMD_SUSFS_RUN_UMOUNT_FOR_CURRENT_MNT_NS) {
-			int error = 0;
-			susfs_run_try_umount_for_current_mnt_ns();
-			pr_info("susfs: CMD_SUSFS_RUN_UMOUNT_FOR_CURRENT_MNT_NS -> ret: %d\n", error);
-		}
 #endif //#ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
 #ifdef CONFIG_KSU_SUSFS_SPOOF_UNAME
 		if (arg2 == CMD_SUSFS_SET_UNAME) {