diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index ddfb9cc..a42fe02 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -866,7 +866,6 @@
 
 	if (profile >= TOMOYO_MAX_PROFILES)
 		return NULL;
-	/***** EXCLUSIVE SECTION START *****/
 	mutex_lock(&lock);
 	ptr = tomoyo_profile_ptr[profile];
 	if (ptr)
@@ -880,7 +879,6 @@
 	tomoyo_profile_ptr[profile] = ptr;
  ok:
 	mutex_unlock(&lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return ptr;
 }
 
@@ -1050,7 +1048,6 @@
 	saved_manager = tomoyo_save_name(manager);
 	if (!saved_manager)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_policy_manager_list_lock);
 	list_for_each_entry(ptr, &tomoyo_policy_manager_list, list) {
 		if (ptr->manager != saved_manager)
@@ -1072,7 +1069,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_policy_manager_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -1197,13 +1193,11 @@
 
 	if (sscanf(data, "pid=%u", &pid) == 1) {
 		struct task_struct *p;
-		/***** CRITICAL SECTION START *****/
 		read_lock(&tasklist_lock);
 		p = find_task_by_vpid(pid);
 		if (p)
 			domain = tomoyo_real_domain(p);
 		read_unlock(&tasklist_lock);
-		/***** CRITICAL SECTION END *****/
 	} else if (!strncmp(data, "domain=", 7)) {
 		if (tomoyo_is_domain_def(data + 7)) {
 			down_read(&tomoyo_domain_list_lock);
@@ -1594,13 +1588,11 @@
 		const int pid = head->read_step;
 		struct task_struct *p;
 		struct tomoyo_domain_info *domain = NULL;
-		/***** CRITICAL SECTION START *****/
 		read_lock(&tasklist_lock);
 		p = find_task_by_vpid(pid);
 		if (p)
 			domain = tomoyo_real_domain(p);
 		read_unlock(&tasklist_lock);
-		/***** CRITICAL SECTION END *****/
 		if (domain)
 			tomoyo_io_printf(head, "%d %u %s", pid, domain->profile,
 					 domain->domainname->name);
diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index ee43631..aa119ca 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -67,14 +67,12 @@
 {
 	/* We need to serialize because this is bitfield operation. */
 	static DEFINE_SPINLOCK(lock);
-	/***** CRITICAL SECTION START *****/
 	spin_lock(&lock);
 	if (!is_delete)
 		domain->flags |= flags;
 	else
 		domain->flags &= ~flags;
 	spin_unlock(&lock);
-	/***** CRITICAL SECTION END *****/
 }
 
 /**
@@ -135,7 +133,6 @@
 	saved_program = tomoyo_save_name(program);
 	if (!saved_program)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_domain_initializer_list_lock);
 	list_for_each_entry(ptr, &tomoyo_domain_initializer_list, list) {
 		if (ptr->is_not != is_not ||
@@ -161,7 +158,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_domain_initializer_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -314,7 +310,6 @@
 	saved_domainname = tomoyo_save_name(domainname);
 	if (!saved_domainname)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_domain_keeper_list_lock);
 	list_for_each_entry(ptr, &tomoyo_domain_keeper_list, list) {
 		if (ptr->is_not != is_not ||
@@ -340,7 +335,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_domain_keeper_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -475,7 +469,6 @@
 	saved_aliased_name = tomoyo_save_name(aliased_name);
 	if (!saved_original_name || !saved_aliased_name)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_alias_list_lock);
 	list_for_each_entry(ptr, &tomoyo_alias_list, list) {
 		if (ptr->original_name != saved_original_name ||
@@ -498,7 +491,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_alias_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -566,7 +558,6 @@
 
 	name.name = domainname;
 	tomoyo_fill_path_info(&name);
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_domain_list_lock);
 	/* Is there an active domain? */
 	list_for_each_entry(domain, &tomoyo_domain_list, list) {
@@ -580,7 +571,6 @@
 		break;
 	}
 	up_write(&tomoyo_domain_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return 0;
 }
 
@@ -599,7 +589,6 @@
 	struct tomoyo_domain_info *domain = NULL;
 	const struct tomoyo_path_info *saved_domainname;
 
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_domain_list_lock);
 	domain = tomoyo_find_domain(domainname);
 	if (domain)
@@ -618,7 +607,6 @@
 		    domain->domainname != saved_domainname)
 			continue;
 		flag = false;
-		/***** CRITICAL SECTION START *****/
 		read_lock(&tasklist_lock);
 		for_each_process(p) {
 			if (tomoyo_real_domain(p) != domain)
@@ -627,7 +615,6 @@
 			break;
 		}
 		read_unlock(&tasklist_lock);
-		/***** CRITICAL SECTION END *****/
 		if (flag)
 			continue;
 		list_for_each_entry(ptr, &domain->acl_info_list, list) {
@@ -650,7 +637,6 @@
 	}
  out:
 	up_write(&tomoyo_domain_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return domain;
 }
 
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 2316da8..adf786d 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -166,7 +166,6 @@
 	saved_filename = tomoyo_save_name(filename);
 	if (!saved_filename)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_globally_readable_list_lock);
 	list_for_each_entry(ptr, &tomoyo_globally_readable_list, list) {
 		if (ptr->filename != saved_filename)
@@ -187,7 +186,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_globally_readable_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -284,7 +282,6 @@
 	saved_pattern = tomoyo_save_name(pattern);
 	if (!saved_pattern)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_pattern_list_lock);
 	list_for_each_entry(ptr, &tomoyo_pattern_list, list) {
 		if (saved_pattern != ptr->pattern)
@@ -305,7 +302,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_pattern_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -407,7 +403,6 @@
 	saved_pattern = tomoyo_save_name(pattern);
 	if (!saved_pattern)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_no_rewrite_list_lock);
 	list_for_each_entry(ptr, &tomoyo_no_rewrite_list, list) {
 		if (ptr->pattern != saved_pattern)
@@ -428,7 +423,6 @@
 	error = 0;
  out:
 	up_write(&tomoyo_no_rewrite_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -745,7 +739,6 @@
 	saved_filename = tomoyo_save_name(filename);
 	if (!saved_filename)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_domain_acl_info_list_lock);
 	if (is_delete)
 		goto delete;
@@ -800,7 +793,6 @@
 	}
  out:
 	up_write(&tomoyo_domain_acl_info_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
@@ -836,7 +828,6 @@
 	saved_filename2 = tomoyo_save_name(filename2);
 	if (!saved_filename1 || !saved_filename2)
 		return -ENOMEM;
-	/***** EXCLUSIVE SECTION START *****/
 	down_write(&tomoyo_domain_acl_info_list_lock);
 	if (is_delete)
 		goto delete;
@@ -884,7 +875,6 @@
 	}
  out:
 	up_write(&tomoyo_domain_acl_info_list_lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return error;
 }
 
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 40927a8..3948f6b 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -220,7 +220,6 @@
 		= roundup(size, max(sizeof(void *), sizeof(long)));
 	if (word_aligned_size > PATH_MAX)
 		return NULL;
-	/***** EXCLUSIVE SECTION START *****/
 	mutex_lock(&lock);
 	if (buf_used_len + word_aligned_size > PATH_MAX) {
 		if (!tomoyo_quota_for_elements ||
@@ -251,7 +250,6 @@
 		}
 	}
 	mutex_unlock(&lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return ptr;
 }
 
@@ -318,7 +316,6 @@
 		return NULL;
 	}
 	hash = full_name_hash((const unsigned char *) name, len - 1);
-	/***** EXCLUSIVE SECTION START *****/
 	mutex_lock(&lock);
 	list_for_each_entry(ptr, &tomoyo_name_list[hash % TOMOYO_MAX_HASH],
 			     list) {
@@ -366,7 +363,6 @@
 	}
  out:
 	mutex_unlock(&lock);
-	/***** EXCLUSIVE SECTION END *****/
 	return ptr ? &ptr->entry : NULL;
 }