diff --git a/src/server/terrain/mapgen/MapGenV1.zig b/src/server/terrain/mapgen/MapGenV1.zig
index 183879c5..ebfb67b9 100644
--- a/src/server/terrain/mapgen/MapGenV1.zig
+++ b/src/server/terrain/mapgen/MapGenV1.zig
@@ -94,8 +94,8 @@ pub fn generateMapFragment(map: *MapFragment, worldSeed: u64) void {
 			const wy: f32 = @floatFromInt(y*map.pos.voxelSize + map.pos.wy);
 			const offsetX = (xOffsetMap.get(x, y) - 0.5)*offsetScale;
 			const offsetY = (yOffsetMap.get(x, y) - 0.5)*offsetScale;
-			var updatedX = wx + offsetX;
-			var updatedY = wy + offsetY;
+			const updatedX = wx + offsetX;
+			const updatedY = wy + offsetY;
 			var xBiome: i32 = @intFromFloat(@floor((updatedX - @as(f32, @floatFromInt(map.pos.wx)))/biomeSize));
 			var yBiome: i32 = @intFromFloat(@floor((updatedY - @as(f32, @floatFromInt(map.pos.wy)))/biomeSize));
 			const relXBiome = (0.5 + offsetX + @as(f32, @floatFromInt(x*map.pos.voxelSize -% xBiome*biomeSize)))/biomeSize;
@@ -156,8 +156,6 @@ pub fn generateMapFragment(map: *MapFragment, worldSeed: u64) void {
 
 
 			// Select a biome. Also adding some white noise to make a smoother transition.
-			updatedX += random.nextFloatSigned(&seed)*3.5*biomeSize/32;
-			updatedY += random.nextFloatSigned(&seed)*3.5*biomeSize/32;
 			xBiome = @intFromFloat(@round((updatedX - @as(f32, @floatFromInt(map.pos.wx)))/biomeSize));
 			xBiome += offset;
 			yBiome = @intFromFloat(@round((updatedY - @as(f32, @floatFromInt(map.pos.wy)))/biomeSize));