diff --git a/cache/src/main/java/net/runelite/cache/region/HeightCalc.java b/cache/src/main/java/net/runelite/cache/region/HeightCalc.java
index d30abbee53..18b291e89f 100644
--- a/cache/src/main/java/net/runelite/cache/region/HeightCalc.java
+++ b/cache/src/main/java/net/runelite/cache/region/HeightCalc.java
@@ -43,13 +43,11 @@ public class HeightCalc
 		}
 	}
 
-	public static int calculate(int baseX, int baseY, int x, int y)
+	public static int calculate(int x, int y)
 	{
-		int xc = (baseX >> 3) + 932731 + x;
-		int yc = (baseY >> 3) + 556238 + y;
-		int n = interpolateNoise(xc + 45365, yc + 91923, 4) - 128
-			+ (interpolateNoise(10294 + xc, yc + 37821, 2) - 128 >> 1)
-			+ (interpolateNoise(xc, yc, 1) - 128 >> 2);
+		int n = interpolateNoise(x + 45365, y + 91923, 4) - 128
+			+ (interpolateNoise(10294 + x, y + 37821, 2) - 128 >> 1)
+			+ (interpolateNoise(x, y, 1) - 128 >> 2);
 		n = 35 + (int) ((double) n * 0.3D);
 		if (n < 10)
 		{
diff --git a/cache/src/main/java/net/runelite/cache/region/Region.java b/cache/src/main/java/net/runelite/cache/region/Region.java
index 2ce0d466fe..31dbe22102 100644
--- a/cache/src/main/java/net/runelite/cache/region/Region.java
+++ b/cache/src/main/java/net/runelite/cache/region/Region.java
@@ -74,7 +74,7 @@ public class Region
 						{
 							if (z == 0)
 							{
-								tileHeights[0][x][y] = -HeightCalc.calculate(baseX, baseY, x, y) * 8;
+								tileHeights[0][x][y] = -HeightCalc.calculate(baseX + x + 0xe3b7b, baseY + y + 0x87cce) * 8;
 							}
 							else
 							{