diff --git a/src/engine/InterestManagement/HeightMap.java b/src/engine/InterestManagement/HeightMap.java
index 4e152de9..15c16f9e 100644
--- a/src/engine/InterestManagement/HeightMap.java
+++ b/src/engine/InterestManagement/HeightMap.java
@@ -328,6 +328,8 @@ public class HeightMap {
 
     public Vector2f getGridSquare(Vector2f zoneLoc) {
 
+        // Clamp values.
+
         if (zoneLoc.x < 0)
             zoneLoc.setX(0);
 
@@ -354,18 +356,6 @@ public class HeightMap {
 
         Vector2f gridSquare;
 
-        if (zoneLoc.x < 0)
-            zoneLoc.x = 0;
-
-        if (zoneLoc.y < 0)
-            zoneLoc.y = 0;
-
-        if (zoneLoc.x > this.fullExtentsX)
-            zoneLoc.x = this.fullExtentsX;
-
-        if (zoneLoc.y > this.fullExtentsY)
-            zoneLoc.y = this.fullExtentsY;
-
         int maxX = (int) (this.fullExtentsX / this.bucketWidthX);
         int maxY = (int) (this.fullExtentsY / this.bucketWidthY);
 
@@ -374,16 +364,6 @@ public class HeightMap {
         int gridX = (int) gridSquare.x;
         int gridY = (int) gridSquare.y;
 
-        if (gridX < 0)
-            gridX = 0;
-        if (gridY < 0)
-            gridY = 0;
-
-        if (gridX >= maxX)
-            gridX = maxX - 1;
-        if (gridY >= maxY)
-            gridY = maxY - 1;
-
         float offsetX = (gridSquare.x - gridX);
         float offsetY = gridSquare.y - gridY;