diff --git a/mods/cnc/mod.yaml b/mods/cnc/mod.yaml
index 846e0034cc..27bbe7507a 100644
--- a/mods/cnc/mod.yaml
+++ b/mods/cnc/mod.yaml
@@ -238,12 +238,6 @@ VideoFormats: Vqa, Wsa
 TerrainFormat: DefaultTerrain
 
 SpriteSequenceFormat: ClassicTilesetSpecificSpriteSequence
-	TilesetExtensions:
-		TEMPERAT: .tem
-		WINTER: .win
-		SNOW: .sno
-		DESERT: .des
-		JUNGLE: .jun
 
 ModelSequenceFormat: PlaceholderModelSequence
 
diff --git a/mods/ra/mod.yaml b/mods/ra/mod.yaml
index b697324d6f..74caa22f3b 100644
--- a/mods/ra/mod.yaml
+++ b/mods/ra/mod.yaml
@@ -241,11 +241,6 @@ VideoFormats: Vqa, Wsa
 TerrainFormat: DefaultTerrain
 
 SpriteSequenceFormat: ClassicTilesetSpecificSpriteSequence
-	TilesetExtensions:
-		TEMPERAT: .tem
-		SNOW: .sno
-		INTERIOR: .int
-		DESERT: .des
 
 ModelSequenceFormat: PlaceholderModelSequence
 
diff --git a/mods/ts/maps/sunstroke/sequences.yaml b/mods/ts/maps/sunstroke/sequences.yaml
index 577f67c557..58d20bfa18 100644
--- a/mods/ts/maps/sunstroke/sequences.yaml
+++ b/mods/ts/maps/sunstroke/sequences.yaml
@@ -1,6 +1,4 @@
 slav:
-	Defaults:
-		Filename: slav.shp
 	icon:
 		Filename: xxicon.shp
 
diff --git a/mods/ts/mod.yaml b/mods/ts/mod.yaml
index 62e1e79dc7..bb02ae9fbd 100644
--- a/mods/ts/mod.yaml
+++ b/mods/ts/mod.yaml
@@ -271,12 +271,6 @@ VideoFormats: Vqa
 TerrainFormat: DefaultTerrain
 
 SpriteSequenceFormat: TilesetSpecificSpriteSequence
-	TilesetExtensions:
-		TEMPERATE: .tem
-		SNOW: .sno
-	TilesetCodes:
-		TEMPERATE: t
-		SNOW: a
 
 ModelSequenceFormat: VoxelModelSequence
 
diff --git a/mods/ts/sequences/trees.yaml b/mods/ts/sequences/trees.yaml
index 51e8355f2c..ec2c561261 100644
--- a/mods/ts/sequences/trees.yaml
+++ b/mods/ts/sequences/trees.yaml
@@ -235,82 +235,78 @@ tree25:
 			TEMPERATE: tree25.tem
 			SNOW: tree25.sno
 
-^fona:
-	Inherits: ^tree
-	idle:
-
 fona01:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona01.tem
 
 fona02:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona02.tem
 
 fona03:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona03.tem
 
 fona04:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona04.tem
 
 fona05:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona05.tem
 
 fona06:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona06.tem
 
 fona07:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona07.tem
 
 fona08:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona08.tem
 
 fona09:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona09.tem
 
 fona10:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona10.tem
 
 fona11:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona11.tem
 
 fona12:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona12.tem
 
 fona13:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona13.tem
 
 fona14:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona14.tem
 
 fona15:
-	Inherits: ^fona
+	Inherits: ^tree
 	idle:
 		Filename: fona15.tem