diff --git a/renderer/viewer/lib/mesher/models.ts b/renderer/viewer/lib/mesher/models.ts
index a69d3e9a..aca47e15 100644
--- a/renderer/viewer/lib/mesher/models.ts
+++ b/renderer/viewer/lib/mesher/models.ts
@@ -542,7 +542,6 @@ export function getSectionGeometry (sx: number, sy: number, sz: number, world: W
     heads: {},
     signs: {},
     // isFull: true,
-    highestBlocks: new Map(),
     hadErrors: false,
     blocksCount: 0
   }
@@ -552,12 +551,6 @@ export function getSectionGeometry (sx: number, sy: number, sz: number, world: W
     for (cursor.z = sz; cursor.z < sz + 16; cursor.z++) {
       for (cursor.x = sx; cursor.x < sx + 16; cursor.x++) {
         let block = world.getBlock(cursor, blockProvider, attr)!
-        if (!INVISIBLE_BLOCKS.has(block.name)) {
-          const highest = attr.highestBlocks.get(`${cursor.x},${cursor.z}`)
-          if (!highest || highest.y < cursor.y) {
-            attr.highestBlocks.set(`${cursor.x},${cursor.z}`, { y: cursor.y, stateId: block.stateId, biomeId: block.biome.id })
-          }
-        }
         if (INVISIBLE_BLOCKS.has(block.name)) continue
         if ((block.name.includes('_sign') || block.name === 'sign') && !world.config.disableSignsMapsSupport) {
           const key = `${cursor.x},${cursor.y},${cursor.z}`
diff --git a/renderer/viewer/lib/mesher/shared.ts b/renderer/viewer/lib/mesher/shared.ts
index 53e0c534..230db6b9 100644
--- a/renderer/viewer/lib/mesher/shared.ts
+++ b/renderer/viewer/lib/mesher/shared.ts
@@ -42,7 +42,6 @@ export type MesherGeometryOutput = {
   heads: Record<string, any>,
   signs: Record<string, any>,
   // isFull: boolean
-  highestBlocks: Map<string, HighestBlockInfo>
   hadErrors: boolean
   blocksCount: number
   customBlockModels?: CustomBlockModels
diff --git a/renderer/viewer/lib/worldrendererCommon.ts b/renderer/viewer/lib/worldrendererCommon.ts
index 7501b279..5c4fd6b5 100644
--- a/renderer/viewer/lib/worldrendererCommon.ts
+++ b/renderer/viewer/lib/worldrendererCommon.ts
@@ -123,7 +123,6 @@ export abstract class WorldRendererCommon<WorkerSend = any, WorkerReceive = any>
 
   handleResize = () => { }
   highestBlocksByChunks = new Map<string, { [chunkKey: string]: HighestBlockInfo }>()
-  highestBlocksBySections = new Map<string, { [sectionKey: string]: HighestBlockInfo }>()
   blockEntities = {}
 
   workersProcessAverageTime = 0
@@ -389,8 +388,6 @@ export abstract class WorldRendererCommon<WorkerSend = any, WorkerReceive = any>
       this.logWorkerWork(() => `-> ${data.workerIndex} geometry ${data.key} ${JSON.stringify({ dataSize: JSON.stringify(data).length })}`)
       this.geometryReceiveCount[data.workerIndex] ??= 0
       this.geometryReceiveCount[data.workerIndex]++
-      const { geometry } = data
-      this.highestBlocksBySections[data.key] = geometry.highestBlocks
       const chunkCoords = data.key.split(',').map(Number)
       this.lastChunkDistance = Math.max(...this.getDistance(new Vec3(chunkCoords[0], 0, chunkCoords[2])))
     }
@@ -688,7 +685,6 @@ export abstract class WorldRendererCommon<WorkerSend = any, WorkerReceive = any>
     for (let y = this.worldSizeParams.minY; y < this.worldSizeParams.worldHeight; y += 16) {
       this.setSectionDirty(new Vec3(x, y, z), false)
       delete this.finishedSections[`${x},${y},${z}`]
-      this.highestBlocksBySections.delete(`${x},${y},${z}`)
     }
     this.highestBlocksByChunks.delete(`${x},${z}`)