diff --git a/source/tools/detect/cgroup/cgtool_comm.h b/source/tools/detect/cgroup/cgtool_comm.h
index 07af7325e5bfafc608c64a7594086449705cf9b1..9bae7bbecb6da02d123a85bf5c085e019199956a 100644
--- a/source/tools/detect/cgroup/cgtool_comm.h
+++ b/source/tools/detect/cgroup/cgtool_comm.h
@@ -74,61 +74,6 @@ struct mm_struct___MEMCG {
 	long unsigned int cpu_bitmap[0];
 };
 
-struct page_counter {
-	atomic_long_t usage;
-	long unsigned int min;
-	long unsigned int low;
-	long unsigned int max;
-	struct page_counter *parent;
-	long unsigned int emin;
-	atomic_long_t min_usage;
-	atomic_long_t children_min_usage;
-	long unsigned int elow;
-	atomic_long_t low_usage;
-	atomic_long_t children_low_usage;
-	long unsigned int wmark_low;
-	long unsigned int wmark_high;
-	long unsigned int watermark;
-	long unsigned int failcnt;
-};
-
-struct vmpressure {
-	long unsigned int scanned;
-	long unsigned int reclaimed;
-	long unsigned int tree_scanned;
-	long unsigned int tree_reclaimed;
-	struct spinlock sr_lock;
-	struct list_head events;
-	struct mutex events_lock;
-	struct work_struct work;
-};
-
-struct mem_cgroup_thresholds {
-	struct mem_cgroup_threshold_ary *primary;
-	struct mem_cgroup_threshold_ary *spare;
-};
-
-struct memcg_padding {
-	char x[0];
-};
-
-enum memcg_kmem_state {
-	KMEM_NONE = 0,
-	KMEM_ALLOCATED = 1,
-	KMEM_ONLINE = 2,
-};
-
-struct mem_cgroup_id {
-	int id;
-	atomic_t ref;
-};
-
-struct deferred_split {
-	spinlock_t split_queue_lock;
-	struct list_head split_queue;
-	long unsigned int split_queue_len;
-};
-
 union kernfs_node_id {
 	struct {
 		u32 ino;
@@ -137,84 +82,6 @@ union kernfs_node_id {
 	u64 id;
 };
 
-struct mem_cgroup {
-	struct cgroup_subsys_state css;
-	struct mem_cgroup_id id;
-	struct page_counter memory;
-	struct page_counter swap;
-	struct page_counter memsw;
-	struct page_counter kmem;
-	struct page_counter tcpmem;
-	long unsigned int high;
-	struct work_struct high_work;
-	long unsigned int soft_limit;
-	struct vmpressure vmpressure;
-	bool use_hierarchy;
-	bool oom_group;
-	bool oom_lock;
-	int under_oom;
-	int swappiness;
-	int oom_kill_disable;
-	struct cgroup_file events_file;
-	struct cgroup_file swap_events_file;
-	struct mutex thresholds_lock;
-	struct mem_cgroup_thresholds thresholds;
-	struct mem_cgroup_thresholds memsw_thresholds;
-	struct list_head oom_notify;
-	long unsigned int move_charge_at_immigrate;
-	spinlock_t move_lock;
-	long unsigned int move_lock_flags;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	struct memcg_padding _pad1_;
-	atomic_t moving_account;
-	struct task_struct *move_lock_task;
-	struct mem_cgroup_stat_cpu *stat_cpu;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	struct memcg_padding _pad2_;
-	atomic_long_t stat[35];
-	atomic_long_t events[84];
-	atomic_long_t memory_events[7];
-	long unsigned int socket_pressure;
-	bool tcpmem_active;
-	int tcpmem_pressure;
-	unsigned int wmark_ratio;
-	struct work_struct wmark_work;
-	unsigned int wmark_scale_factor;
-	int kmemcg_id;
-	enum memcg_kmem_state kmem_state;
-	struct list_head kmem_caches;
-	int last_scanned_node;
-	nodemask_t scan_nodes;
-	atomic_t numainfo_events;
-	atomic_t numainfo_updating;
-	struct list_head cgwb_list;
-	struct wb_domain cgwb_domain;
-	struct list_head event_list;
-	spinlock_t event_list_lock;
-	struct deferred_split deferred_split_queue;
-	long unsigned int ali_reserved1;
-	long unsigned int ali_reserved2;
-	long unsigned int ali_reserved3;
-	long unsigned int ali_reserved4;
-	struct mem_cgroup_per_node *nodeinfo[0];
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-	long: 64;
-};
-
 struct cgroup___MEMCG {
 	struct cgroup_subsys_state self;
 	long unsigned int flags;
diff --git a/source/tools/detect/cgroup/cgtoollib_bpf.h b/source/tools/detect/cgroup/cgtoollib_bpf.h
index 80e553b1e365026f9f9d30241a1eb8065409294c..f802fef7373cac23e68e3f1c312f829518001569 100644
--- a/source/tools/detect/cgroup/cgtoollib_bpf.h
+++ b/source/tools/detect/cgroup/cgtoollib_bpf.h
@@ -10,7 +10,6 @@
 #include "cgtool_comm.h"
 
 #define BPF_ANY 0
-#define NULL ((void*)0)
 
 static u64 get_knid_by_cgroup(struct cgroup___MEMCG *cgrp)
 {