diff --git a/data/schema/core/actionwml.cfg b/data/schema/core/actionwml.cfg
index 0eff8c99f10..98e94c8cc6c 100644
--- a/data/schema/core/actionwml.cfg
+++ b/data/schema/core/actionwml.cfg
@@ -1445,5 +1445,34 @@
 			{SIMPLE_KEY y s_unsigned}
 		[/tag]
 	[/tag]
-	any_tag=yes
+	# custom mainline campaign tags
+	# EI
+	{DATA_TAG "item_dialog" 0 infinite any}
+	{DATA_TAG "item_dialog_musttake" 0 infinite any}
+	{DATA_TAG "spread_bandit_villages" 0 infinite any}
+	{DATA_TAG "bandit_village_capture" 0 infinite any}
+	# HttT
+	{DATA_TAG "show_countdown" 0 infinite any}
+	# LoW
+	{DATA_TAG "replace_map_section" 0 infinite any}
+	{DATA_TAG "shift_labels" 0 infinite any}
+	{DATA_TAG "persistent_carryover_store" 0 infinite any}
+	# NR
+	{DATA_TAG "find_respawn_point" 0 infinite any}
+	# SoF
+	{DATA_TAG "rune_choice" 0 infinite any}
+	# TDG
+	{DATA_TAG "listen_for_mousemove" 0 infinite any}
+	{DATA_TAG "select_delfador_skills" 0 infinite any}
+	{DATA_TAG "display_skills_dialog" 0 infinite any}
+	# TSG
+	{DATA_TAG "display_tip" 0 infinite any}
+	# tutorial
+	{DATA_TAG "select_character" 0 infinite any}
+	{DATA_TAG "hint_message" 0 infinite any}
+	# tests
+	{DATA_TAG "foo" 0 infinite any}
+	{DATA_TAG "test_do_attack_by_id" 0 infinite any}
+	{DATA_TAG "my_lua_action" 0 infinite any}
+	{DATA_TAG "check_substitution" 0 infinite any}
 [/tag]
diff --git a/data/schema/core/conditionalwml.cfg b/data/schema/core/conditionalwml.cfg
index 22a66d1fa18..86216e6de00 100644
--- a/data/schema/core/conditionalwml.cfg
+++ b/data/schema/core/conditionalwml.cfg
@@ -79,5 +79,6 @@
 		name="not"
 		super="$conditional_wml"
 	[/tag]
-	any_tag=yes
+	# tests
+	{DATA_TAG "foo" 0 infinite any}
 [/tag]