diff --git a/src/engine/InterestManagement/HeightMap.java b/src/engine/InterestManagement/HeightMap.java
index 4132b67e..0b1bf7bf 100644
--- a/src/engine/InterestManagement/HeightMap.java
+++ b/src/engine/InterestManagement/HeightMap.java
@@ -214,9 +214,6 @@ public class HeightMap {
     public static float getWorldHeight(Zone currentZone, Vector3fImmutable worldLoc) {
 
         Zone heightMapZone;
-        Zone parentZone;
-
-        float interpolatedParentTerrainHeight;
 
         //  Seafloor is rather flat.