diff --git a/mods/MAPGEN/mcl_biomes/init.lua b/mods/MAPGEN/mcl_biomes/init.lua
index e4464b2d..b4623064 100644
--- a/mods/MAPGEN/mcl_biomes/init.lua
+++ b/mods/MAPGEN/mcl_biomes/init.lua
@@ -2503,20 +2503,17 @@ local function register_decorations()
 		y_min = 1,
 		y_max = mcl_vars.mg_overworld_max,
 		schematic = {
-			size = {x = 4, y = 3, z = 1},
+			size = {x = 3, y = 3, z = 1},
 			data = {
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
-				{name = "air", prob = 0},
 				{name = "mcl_core:sprucetree", param2 = 12, prob = 127},
 				{name = "mcl_core:sprucetree", param2 = 12},
 				{name = "mcl_core:sprucetree", param2 = 12},
-				{name = "mcl_core:sprucetree", param2 = 12, prob = 127},
 				{name = "air", prob = 0},
 				{name = "mcl_mushrooms:mushroom_brown", prob = 160},
 				{name = "mcl_mushrooms:mushroom_red", prob = 160},
-				{name = "air", prob = 0},
 			},
 		},
 		flags = "place_center_x",
@@ -2539,17 +2536,14 @@ local function register_decorations()
 		y_min = 1,
 		y_max = mcl_vars.mg_overworld_max,
 		schematic = {
-			size = {x = 4, y = 3, z = 1},
+			size = {x = 3, y = 3, z = 1},
 			data = {
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
-				{name = "air", prob = 0},
 				{name = "mcl_core:sprucetree", param2 = 12, prob = 127},
 				{name = "mcl_core:sprucetree", param2 = 12},
 				{name = "mcl_core:sprucetree", param2 = 12},
-				{name = "mcl_core:sprucetree", param2 = 12, prob = 127},
-				{name = "air", prob = 0},
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
@@ -2571,7 +2565,7 @@ local function register_decorations()
 			octaves = 3,
 			persist = 0.66
 		},
-		biomes = {"Forest", "BirchForest", "BirchForestM",},
+		biomes = {"BirchForest", "BirchForestM",},
 		y_min = 1,
 		y_max = mcl_vars.mg_overworld_max,
 		schematic = {
@@ -2601,20 +2595,17 @@ local function register_decorations()
 		y_min = 1,
 		y_max = mcl_vars.mg_overworld_max,
 		schematic = {
-			size = {x = 4, y = 3, z = 1},
+			size = {x = 3, y = 3, z = 1},
 			data = {
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
 				{name = "air", prob = 0},
-				{name = "air", prob = 0},
-				{name = "mcl_core:jungletree", param2 = 12, prob = 127},
 				{name = "mcl_core:jungletree", param2 = 12},
 				{name = "mcl_core:jungletree", param2 = 12},
 				{name = "mcl_core:jungletree", param2 = 12, prob = 127},
 				{name = "air", prob = 0},
 				{name = "mcl_mushrooms:mushroom_brown", prob = 50},
 				{name = "air", prob = 0},
-				{name = "air", prob = 0},
 			},
 		},
 		flags = "place_center_x",