diff --git a/src/rotation.zig b/src/rotation.zig
index 9dc43af7..a7b08514 100644
--- a/src/rotation.zig
+++ b/src/rotation.zig
@@ -250,7 +250,7 @@ pub const RotationModes = struct {
 			const blockBaseModel = blocks.meshes.modelIndexStart(block.*);
 			const neighborBaseModel = blocks.meshes.modelIndexStart(neighborBlock);
 			const neighborModel = blocks.meshes.model(neighborBlock);
-			const targetVal = neighborBlock.solid() and (blockBaseModel == neighborBaseModel or main.models.models.items[neighborModel].neighborFacingQuads[neighbor.reverse().toInt()].len != 0);
+			const targetVal = neighborBlock.solid() and (blockBaseModel == neighborBaseModel or main.models.models.items[neighborModel].isNeighborOccluded[neighbor.reverse().toInt()]);
 			var currentData: FenceData = @bitCast(@as(u4, @truncate(block.data)));
 			switch(neighbor) {
 				.dirNegX => {
diff --git a/src/server/terrain/StructureMap.zig b/src/server/terrain/StructureMap.zig
index 57654b03..f25003c4 100644
--- a/src/server/terrain/StructureMap.zig
+++ b/src/server/terrain/StructureMap.zig
@@ -68,17 +68,6 @@ pub const StructureMapFragment = struct {
 	}
 
 	pub fn deinit(self: *StructureMapFragment) void {
-		var actual: usize = 0;
-		for(self.data) |i| {
-			actual += i.len*@sizeOf(StructureInternal);
-		}
-		var expected: usize = 0;
-		var it = self.arena.arena.state.buffer_list.first;
-		while(it) |node| {
-			expected += node.data;
-			it = node.next;
-		}
-		std.log.err("{} {}", .{expected, actual});
 		self.arena.deinit();
 		main.globalAllocator.destroy(self);
 	}